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nit 1 - Addition and subtraction within 10
1. Add within 10 using blocksComplete the questions below by counting with blocks. 5 + 4 = 9 3 + 6 = 9 6 + 1 = 7
2. Add within 10 by counting on a number lineComplete the questions below by counting on a number line. 4 + 2 = 6 2 + 5 = 7 3 + 7 = 10
3. Add within 10 mentallyComplete the questions below using mental methods. 4 + 3 = 7 5 + 2 = 7 2 + 7 = 9
4. Subtract within 10 using blocksComplete the questions below by counting with blocks. 6 – 3 = 3 9 – 4 = 5 8 – 6 = 2
5. Subtract within 10 by counting back on a number lineComplete the questions below by counting back on a number line.7 – 2 = 5 8 – 4 = 4 10 – 5 = 5
6. Find the difference within 10 on a number lineComplete the questions below by counting forwards on a number line.10 – 6 = 4 7 – 6 = 1 8 – 4 = 4
7. Subtract within 10 mentallyComplete the questions below using mental methods.6 – 4 = 2 8 – 3 = 5 10 – 7 = 3
8. Add and subtract zero6 + 0 = 6 10 + 0 = 10 7 – 0 = 7 1 – 0 = 1
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nit 1 - Addition and subtraction within 10
9. Recall number bonds to 10 and relate addition and subtractionComplete the questions below using knowledge of number bonds to 10.
4 + = 10 6 + = 1010 – 4 = 6 10 – 6 = 4
10. Solve missing number addition problems within 10
= 3 + 5 3 + = 6 + 6 = 10
11. Solve missing number subtraction problems within 10
= 5 – 3 8 – = 5 – 5 = 2
12. Solve missing number calculations within 10 for addition and subtraction
7 + 1 = 10 – 9 – 4 = 2 + 8 – 3 = 10 –
+ 2 = 8 – 5 – 4 = 3 – 1 + 2 = 5 + 4
13. Compare numbers within 10 using symbols for greater than and less thanWrite > or < in each box.
4 5 8 6 1 10
14. Compare calculations within 10 using symbols for greater than and less thanWrite >, < or = in each box.
4 + 4 9 6 – 2 2 + 2 3 + 2 8 – 1
6 4
8 3 4
2 73
2 3 5
1 6 7
< > <
< = <
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nit 1 - Addition and subtraction within 10
15. Recognise representations for numbers to 20Write the numbers represented by the blocks below.
3 9
10 11
15 18
16. Represent numbers to 20Represent the numbers below by drawing a line for a ten and a dot for a one.2 6
11 15
Four Ten
Sixteen Twenty
17. Count on or back from any number to 20For the questions below, write the next two numbers, counting on or back in ones.
7, 8, 9, , 20, 19, 18, ,
14, 15, 16, , 8, 7, 6, ,
18. Order numbers to 20Order each set of numbers from smallest to largest. 11, 2, 20, 17, 12
10, 1, 8, 16, 7
19. Add within 20 by counting on a number line
10
417 18
11
5
1617
2 11 12 17 20
1 7 8 10 16
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nit 1 - Addition and subtraction within 10
Complete the questions below by counting on a number line. 9 + 3 = 12 5 + 7 = 12 12 + 4 = 16
20. Add a single-digit number to a number with one tenComplete the questions below using mental methods.15 + 3 = 18 12 + 5 = 17 14 + 5 = 19 11 + 7 = 18
21. Add within 20 mentally8 + 4 = 12 6 + 5 = 11 8 + 8 = 16
22. Add by bridging across 10Complete the questions below using mental methods, bridging across 10.9 + 5 = 14 8 + 6 = 14 7 + 5 = 12 8 + 7 = 15
23. Subtract within 20 by counting back on a number lineComplete the questions below by counting back on a number line.18 – 3 = 15 14 – 7 = 7 16 – 7 = 9
24. Find the difference within 20 on a number lineComplete the questions below by counting forwards on a number line.17 – 13 = 4 12 – 9 = 3 15 – 8 = 7
25. Subtract within 20 mentallyComplete the questions below using mental methods.13 – 6 = 7 15 – 9 = 6 18 – 12 = 6
26. Subtract by bridging across 10, counting forwardsComplete the questions below using mental methods, bridging forwards.13 – 4 = 9 14 – 7 = 7 15 – 6 = 9 17 – 9 = 8
27. Subtract by bridging across 10, counting backwardsComplete the questions below using mental methods, bridging back.12 – 4 = 8 16 – 7 = 9 15 – 8 = 7 18 – 9 = 9
28. Recall number bonds to 20 and relate to number bonds to 10Complete the questions below using knowledge of number bonds to 20.
14 + = 20 6 + = 2020 – 14 = 6 20 – 6 = 14
29. Recognise representations for numbers to 100
6 14
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nit 1 - Addition and subtraction within 10
Write the numbers represented by the blocks below.
24 30
46
69
86
99
30. Represent numbers to 100Represent the numbers below using a line for a ten and a dot for a one.33 50
74 85
Forty-five Sixty-six
Eighty-one Ninety
31. Partition two-digit numbers
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nit 1 - Addition and subtraction within 10
Partition the numbers below into tens and ones.
41 = + 75 = + 88 = +
32. Compare two-digit numbersWrite > or < in each box.
19 31 38 60 74 76
33. Order two-digit numbersOrder each set of numbers from smallest to largest. 40, 43, 34, 44, 30
85, 56, 9, 65, 58
34. Count on from a two-digit number in onesFor the questions below, write the next seven numbers, counting on in ones. 44, 45, 46,
65, 66, 67,
83, 84, 85,
35. Add a single-digit number to a two-digit number on a number lineComplete the questions below by counting on a number line. 29 + 4 = 33 45 + 6 = 51 54 + 7 = 61
36. Add a single-digit number to a two-digit number (without bridging)Complete the questions below using mental methods.24 + 4 = 28 36 + 3 = 39 82 + 6 = 88 41 + 8 = 49
37. Add by making a number bond to 1035 + 5 = 40 44 + 6 = 50 87 + 3 = 90 72 + 8 = 80
38. Add a single-digit number to a multiple of 1020 + 9 = 29 40 + 2 = 42 80 + 5 = 85 90 + 8 = 98
39. Add a single-digit number to a two-digit number by bridgingComplete the questions below using mental methods, bridging across tens.28 + 4 = 32 47 + 5 = 52 88 + 6 = 94 34 + 8 = 42
40. Add three or four single-digit numbersComplete the questions below using mental methods. 6 + 8 + 9 = 23 8 + 5 + 2 = 15 5 + 8 + 3 + 6 = 22 6 + 8 + 6 + 2 = 22
41. Count back from a two-digit number in ones
540 701 808
< < <
30 34 40 43 44
9 56 58 65 85
47 48 49 50 51 52 53
68 69 70 71 72 73 74
86 87 88 89 90 91 92
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nit 1 - Addition and subtraction within 10
For the questions below, write the next seven numbers, counting back in ones. 84, 83, 82,
52, 51, 50,
36, 35, 34,
42. Subtract a single-digit number from a two-digit number on a number lineUse a number line to help you complete the questions below. 76 – 5 = 71 83 – 6 = 77 22 – 7 = 15
43. Subtract a single-digit number from a two-digit number (without bridging)Complete the questions below using mental methods.77 – 4 = 73 28 – 6 = 22 56 – 5 = 51 49 – 8 = 41
44. Subtract the ones from a two-digit number29 – 9 = 20 42 – 2 = 40 85 – 5 = 80 98 – 8 = 90
45. Subtract a single-digit number from a multiple of 1030 – 3 = 27 40 – 5 = 35 80 – 7 = 73 90 – 9 = 81
46. Subtract by bridgingComplete the questions below using mental methods, bridging across tens.72 – 4 = 68 54 – 5 = 49 71 – 7 = 64 44 – 9 = 35
81 80 79 78 77 76 75
49 48 47 46 45 44 43
33 32 31 30 29 28 27
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nit 1 - Addition and subtraction within 10
47. Count in multiples of 10Count from 0 to 100 in steps of 10. 0, , 100
48. Add two multiples of 10Complete the questions below using mental methods.30 + 30 = 60 50 + 20 = 70 60 + 30 = 90 80 + 20 = 100
49. Count back in multiples of 10Count back from 100 to 0 in steps of 10. 100, , 0
50. Subtract two multiples of 10Complete the questions below using mental methods.80 – 20 = 60 60 – 30 = 30 90 – 40 = 50 70 – 50 = 20
51. Relate number bonds to 100 to number bonds to 10Complete the questions below using knowledge of number bonds to 100.
40 + = 100 60 + = 100100 – 40 = 60 100 – 60 = 40
52. Count on in tensFor the questions below, write the next seven numbers, counting on in tens. 4, 14, 24,
9, 19, 29,
53. Add a multiple of 10Complete the questions below using mental methods.54 + 20 = 74 33 + 40 = 73 13 + 30 = 43 28 + 60 = 88
54. Count back in tensFor the questions below, write the next seven numbers, counting back in tens. 96, 86, 76,
91, 81, 71,
55. Subtract a multiple of 10Complete the questions below using mental methods.66 – 30 = 36 58 – 40 = 18 83 – 60 = 23 97 – 50 = 47
60 40
10 20 30 40 50 60 70 80 90
90 80 70 60 50 40 30 20 10
34 44 54 64 74 84 94
39 49 59 69 79 89 99
66 56 46 36 26 16 6
61 51 41 31 21 11 1
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nit 1 - Addition and subtraction within 10
56. Add two two-digit numbers, bridging on a number lineComplete the questions below by bridging on a number line. 42 + 36 = 78 58 + 26 = 84 76 + 17 = 93
57. Add two two-digit numbers by partitioningComplete the questions below by partitioning. 53 + 38 = 91 55 + 27 = 82 67 + 16 = 83 37 + 55 = 92
58. Add two two-digit numbers using the column methodComplete the questions below using column addition.55 + 22 = 77 47 + 41 = 88 45 + 25 = 70
39 + 22 = 61 54 + 18 = 72 46 + 37 = 83
59. Subtract a two-digit number, bridging on a number lineComplete the questions below by bridging on a number line. 93 – 32 = 61 83 – 38 = 45 75 – 46 = 29 76 – 18 = 58
60. Find the difference on a number lineFor the questions below, find the difference by counting up in tens and ones on a number line. 73 – 37 = 36 81 – 48 = 33 70 – 23 = 47
61. Find the difference by bridging on a number lineFor the questions below, find the difference by counting up on a number line, bridging ones. 76 – 34 = 42 83 – 57 = 26 66 – 49 = 17 54 – 47 = 7
62. Subtract a two-digit number by partitioningComplete the questions below by partitioning. 68 – 37 = 31 70 – 36 = 34 52 – 16 = 36 73 – 28 = 45
63. Subtract a two-digit number using the column methodComplete the questions below using column subtraction.75 – 21 = 54 89 – 38 = 51 80 – 32 = 48
55 – 19 = 36 71 – 25 = 46 93 – 57 = 36
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nit 1 - Addition and subtraction within 10
64. Check by using the inverse operation with two-digit numbersUse the inverse operation to check the answers to these calculations. 34 + 52 = 8686 – 52 = 34 or 86 – 34 = 52
81 – 16 = 6565 + 16 = 81 or 16 + 65 = 81
65. Solve missing number problems for addition and subtraction with two-digit numbersComplete the questions below by finding the missing numbers.
= 45 + 35 = 66 – 48 43 + = 80
+ 38 = 83 – 36 = 45 73 – = 36
66. Round to the nearest 10Round the numbers below to the nearest 10. 42 ≈ 40 58 ≈ 60 28 ≈ 30
81 ≈ 80 35 ≈ 40 85 ≈ 90
67. Calculate number bonds to 100Complete the questions using knowledge of number bonds to 100.
47 + = 100 31 + = 100 74 + = 100 58 + = 100
80 18 37
45 81 37
53 69 4226
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68. Recognise representations for numbers to 1000Write the numbers represented by the blocks below.
69. Write numbers to 1000 in digitsWrite the numbers below in digits. Eight hundred and twenty-five Nine hundred
Three hundred and twenty Four hundred and two
70. Write numbers to 1000 in wordsWrite the numbers below in words. 582 Five hundred and eighty-two
700 Seven hundred
840 Eight hundred and forty
201 Two hundred and one
71. Partition three-digit numbersPartition the numbers below into hundreds, tens and ones.
483 = + + 555 = + +
609 = + 870 = +
899437
780505
825
320
900
402
400 80 3 500 50 5
600 9 800 70
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nit 1 - Addition and subtraction within 10
72. Compare three-digit numbersFor the questions below, write < or >
35 ____ 350 492 _____ 509 472 _____ 427 479 _____ 474
73. Order three-digit numbersOrder each set of numbers from smallest to largest. 671, 67, 706, 660, 716
405, 504, 44, 404, 454
74. Count on from a three-digit number in onesFor the questions below, write the next seven numbers. 95, 96, 97,
634, 635, 636,
805, 806, 807,
296, 297, 298,
75. Add a single-digit number to a three-digit numberComplete the questions below using mental methods.479 + 4 = 483 328 + 6 = 334 695 + 9 = 704 294 + 8 = 302
76. Count back from a three-digit number in onesFor the questions below, write the next seven numbers. 103, 102, 101,
595, 594, 593,
816, 815, 814,
506, 505, 504,
77. Subtract a single-digit number from a three-digit numberComplete the questions below using mental methods.284 – 5 = 279 392 – 6 = 386 204 – 8 = 196 403 – 7 = 396
78. Solve missing number problems for addition and subtraction of ones with three-digit numbers
Complete the questions below by finding the missing numbers.
= 396 + 9 = 616 – 8 473 + = 480
+ 3 = 831 – 6 = 459 703 – = 698
< >><
67 660 671 706 716
44 404 405 454 504
98 99 100 101 102 103 104
637 638 639 640 641 642 643
808 809 810 811 812 813 814
299 300 301 302 303 304 305
100 99 98 97 96 95 94
592 591 590 589 588 587 586
813 812 811 810 809 808 807
503 502 501 500 499 498 497
405 608 7
828 465 5
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nit 1 - Addition and subtraction within 10
79. Add two multiples of 10 beyond 100Complete the questions below using mental methods.140 + 40 = 180 270 + 50 = 320 380 + 60 = 440
80. Solve missing number problems for addition with multiples of 10 with three-digit answersComplete the questions below by finding the missing numbers.
220 + = 260 170 + = 230 590 + = 660
81. Count on in tens from a three-digit numberFor the questions below, write the next seven numbers, counting on in tens. 157, 167, 177,
539, 549, 559,
82. Add a multiple of 10 to a three-digit number mentallyComplete the questions below using mental methods. 242 + 60 = 302 458 + 70 = 528 865 + 80 = 945 194 + 90 = 284
83. Subtract two multiples of 10 beyond 100Complete the questions below using mental methods.260 – 40 = 220 320 – 50 = 270 430 – 60 = 370
84. Solve missing number problems for subtraction with multiples of 10 with three-digit answers
Complete the questions below by finding the missing numbers.
550 – = 510 220 – = 180 550 – = 460
85. Count back in tens from a three-digit numberFor the questions below, write the next seven numbers, counting back in tens. 725, 715, 705,
546, 536, 526,
86. Subtract a multiple of 10 from a three-digit number mentallyComplete the questions below using mental methods. 404 – 30 = 374 351 – 70 = 281 736 – 80 = 656 755 – 90 = 865
87. Solve missing number problems for addition and subtraction of tens with three-digit numbers
Complete the questions below by finding the missing numbers.
= 394 + 20 = 412 – 50 637 + = 677
+ 40 = 335 – 30 = 439 916 – = 886
40 60 70
187 197 207 217 227 237 247
569 579 589 599 609 619 629
40 40 90
695 685 675 665 655 645 635
516 506 496 486 476 466 456
414 362 40
295 469 30
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nit 1 - Addition and subtraction within 10
88. Count on or back in multiples of 100Count from 0 to 1000 in steps of 100. 0, , 1000
Count back from 1000 to 0 in steps of 100. 1000, , 0
89. Add and subtract two multiples of 100 within 1000Complete the questions below using mental methods. 400 + 200 = 600 500 – 100 = 400 500 + 400 = 900 700 – 400 = 300
90. Solve missing numbers for addition and subtraction with multiples of 100 within 1000Complete the questions below by finding the missing numbers.
200 + = 500 700 + = 900 400 + = 800
900 – = 500 200 – = 100 600 – = 200
91. Count on in hundredsFor the questions below, write the next seven numbers, counting on in steps of 100. 41, 141, 241,
66, 166, 266,
92. Add a multiple of 100 to a three-digit numberComplete the questions below using mental methods. 526 + 400 = 926 406 + 400 = 806 500 + 319 = 819 700 + 122 = 822
93. Count back in hundredsFor the questions below, write the next seven numbers, counting back in steps of 100. 955, 855, 755,
903, 803, 703,
94. Subtract a multiple of 100 from a three-digit numberComplete the questions below using mental methods. 999 – 200 = 799 562 – 400 = 162 375 – 300 = 75 857 – 500 = 357
95. Solve missing number problems for addition and subtraction of hundreds with three-digit numbers
Complete the questions below by finding the missing numbers.
= 296 + 200 = 663 – 600 362 + = 662
+ 300 = 905 – 500 = 275 723 – = 123
100 200 300 400 500 600 700 800 900
900 800 700 600 500 400 300 200 100
300 200 400
400 100 400
341 441 541 641 741 841 941
366 466 566 666 766 866 966
655 555 455 355 255 155 55
603 503 403 303 203 103 3
496 63 300
605 775 600
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nit 1 - Addition and subtraction within 10
96. Add numbers with up to three digits using the column methodComplete the questions below using column addition. 552 + 38 = 590 679 + 43 = 722 464 + 152 = 616 388 + 219 = 607
97. Subtract numbers with up to three digits using the column methodComplete the questions below using column subtraction. 733 – 25 = 708 318 – 44 = 274 350 – 136 = 214 675 – 387 = 288
98. Solve missing number problems for addition and subtraction with three-digit numbersComplete the questions below by finding the missing numbers.
246 + = 539 + 293 = 562 – 305 = 276 741 – = 573
99. Round to the nearest 100Round the numbers below to the nearest 10. 215 ≈ 220 492 ≈ 490 333 ≈ 330 897 ≈ 900 303 ≈ 300
100. Round to the nearest 10Round the numbers below to the nearest 100. 215 ≈ 200 492 ≈ 500 333 ≈ 300 897 ≈ 900 303 ≈ 300
101. Check by using the inverse operation with three-digit numbersCheck the answers to these calculations by using the inverse operation. 238 + 184 = 422422 – 184 = 238 or 422 – 238 = 184
718 – 284 = 434434 + 284 = 718 or 284 + 434 = 718
293 269 581 168
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nit 1 - Addition and subtraction within 10
102. Recognise representations for numbers to 10000Write the numbers shown by the blocks below in digits.
103. Write numbers to 10000 in digitsWrite the numbers below in digits. Four thousand, eight hundred and twenty-five Nine thousand, two hundred
Eight thousand and eighteen Five thousand and five
104. Write numbers to 10000 in wordsWrite the numbers below in words. 1483 One thousand, four hundred and eighty-three
3072 Three thousand and seventy-two
3300 Three thousand, three hundred
4002 Four thousand and two
105. Identify the digit in each place value for four-digit numbersFor the questions below, write the digit in each place value. 4,593
Thousands:
Hundreds:
Tens:
Ones:
4,809
Hundreds:
Ones:
Thousands:
Tens:
3,190
Ones:
Hundreds:
Tens:
Thousands:
68694350
620020306006
4825
8018
9200
5005
4
3
9
5
8
0
4
9
0
3
9
1
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nit 1 - Addition and subtraction within 10
106. Identify the value of each digit in four-digit numbersFor the questions below, write the value of each digit. 4,529
9 represents:
4: represents:
5 represents:
2 represents:
8,706
7 represents:
8: represents:
6 represents:
8,041
1 represents:
4: represents:
8 represents:
107. Partition four-digit numbersPartition the numbers below.
5371 = + + +
1735 = + + +
3035 = + +
8808 = + +
108. Compare four-digit numbersFor the questions below, write < or >
3528 ____ 2972 4922 ____ 4099 4722 ____ 4771 5096 ____5093
109. Order four-digit numbersOrder each set of numbers from smallest to largest. 595, 9595, 9559, 5595, 5955
4411, 1441, 1414, 5111, 444
9
20
500
4000
700
6
8000
1
8000
40
5000 300 70 1
3000 30 5
8000 800 8
1000 700 30 5
> ><>
595 5595 5955 9559 9595
444 1414 1441 4411 5111
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nit 1 - Addition and subtraction within 10
110. Count on in ones from a four-digit numberFor the questions below, write the next seven numbers, counting in ones. 4095, 4096, 4097,
2997, 2998, 2999,
111. Add a single-digit number to a four-digit numberComplete the questions below using mental methods. 6098 + 5 = 6013 5636 + 8 = 5644 2994 + 9 = 3003 3993 + 7 = 4000
112. Count back in ones from a four-digit numberFor the questions below, write the next seven numbers, counting back in ones. 2106, 2105, 2104,
4003, 4002, 4001,
113. Subtract a single-digit number from a four-digit numberComplete the questions below using mental methods. 7342 – 8 = 7334 4103 – 4 = 4099 2000 – 6 = 1994 3003 – 8 = 2995
114. Count on in tens from a four-digit numberFor the questions below, write the next seven numbers, counting on in tens. 5476, 5486, 5496,
7964, 7974, 7984,
115. Add a multiple of 10 to a four-digit numberComplete the questions below using mental methods. 8054 + 50 = 8104 7383 + 40 = 7423 3979 + 50 = 4029 2996 + 70 = 3066
116. Count back in tens from a four-digit numberFor the questions below, write the next seven numbers, counting back in tens. 6143, 6133, 6123,
7055, 7045, 7035,
117. Subtract a multiple of 10 from a four-digit numberComplete the questions below using mental methods. 2465 – 50 = 2415 3723 – 40 = 3682 4006 – 60 = 3946 7043 – 80 = 6963
4098 4099 5000 5001 5002 5003 5004
3000 3001 3002 3003 3004 3005 3006
2103 2102 2101 2100 2099 2098 2097
4000 3999 3998 3997 39966
3995 3994
5506 5016 5026 5036 5046 5056 5066
7994 8004 8014 8024 8034 8044 8054
6113 6103 6093 6083 6073 6063 6053
7025 7015 7005 6995 6985 6975 6965
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nit 1 - Addition and subtraction within 10
118. Add two multiples of 100 beyond 1000Complete the questions below using mental methods. 900 + 300 = 1200 800 + 600 = 1400 1700 + 300 = 2000 5500 + 800 = 6300
119. Count on in hundreds from a four-digit numberFor the questions below, write the next seven numbers, counting on in hundreds. 6132, 6232, 6332,
4555, 4655, 4755,
120. Add a multiple of 100 to a four-digit numberComplete the questions below using mental methods. 1244 + 500 = 1744 3539 + 500 = 4039 5381 + 800 = 6181 3855 + 800 = 4655
121. Subtract a multiple of 100 from a four-digit multiple of 1008700 – 600 = 8100 6400 – 600 = 800 5500 – 800 = 4700 6200 – 900 = 5300
122. Count back in hundreds from a four-digit numberFor the questions below, write the next seven numbers, counting back in hundreds. 1862, 1762, 1662,
5565, 5465, 5365,
123. Subtract a multiple of 100 from a four-digit number1202 – 300 = 902 4488 – 400 = 4088 5380 – 800 = 4580 7525 – 900 = 6625
124. Add and subtract a multiple of 1000 from a four-digit number3924 + 3000 = 6924 4905 + 2000 = 6905 2593 – 2000 = 593 5999 – 3000 = 2999
125. Subtract mentally by finding the difference, targeting the ten, hundred or thousand
Complete the questions below by finding the difference, targeting the ten, hundred or thousand. 2006 – 1893 = 113 4000 – 3775 = 225 4007 – 3950 = 57 3100 – 2968 = 132
6432 6532 6632 6732 6832 6932 7032
4855 4955 5055 5155 5255 5355 5455
1562 1492 1362 1262 1162 1062 962
5265 5165 5065 4965 4865 4765 4665
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nit 1 - Addition and subtraction within 10
126. Add four-digit numbers using column additionComplete the questions below using column addition. 2839 + 86 = 2925 2424 + 909 = 3333 856 + 567 = 1423 3867 + 2536 = 6403
127. Subtract four-digit numbers using column subtractionComplete the questions below using column subtraction. 5421 – 55 = 5366 5815 – 746 = 5069 4342 – 2352 = 1990 4342 – 3444 = 898
128. Exchange across zero to subtract four-digit numbers using column subtraction5006 – 55 = 4951 4002 – 533 = 3469 7008 – 3933 = 2075 4000 – 2436 = 1564
129. Solve missing number problems for addition and subtraction with four-digit numbers
Complete the questions below by finding the missing numbers.
= 4503 + 3507 + 3803 = 8313
7309 – = 3655 – 2646 = 4544
130. Round to the nearest 1000Round the numbers below to the nearest 1000. 2392 ≈ 2000 3971 ≈ 4000 7018 ≈ 7000 5544 ≈ 6000
131. Round to the nearest 1000, 100 and 10Round the numbers below. 4 5 4 9
Nearest 10 ≈
Nearest 100 ≈
Nearest 1000 ≈
2 3 8 2
Nearest 10 ≈
Nearest 100 ≈
Nearest 1000 ≈
5 8 9 6
Nearest 10 ≈
Nearest 100 ≈
Nearest 1000 ≈
132. Check answers using the inverse operation with four-digit numbersCheck the answers to these calculations by using the inverse operation. 3952 + 1064 = 50165016 – 1064 = 3952 or 5016 – 3952 = 1064
7433 – 2488 = 49454945 + 2488 = 7433 or 2488 + 4945 = 7433
45058010
71903654
5000
4500
4550
2000
2400
2380
6000
5900
5900
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nit 1 - Addition and subtraction within 10
133. Write numbers up to one million in digitsWrite the numbers below in digits. Four hundred and three thousand, eight hundred and seven
Four hundred thousand, two hundred and twenty-one
Nine hundred and nine thousand Two hundred and twenty thousand and twenty
134. Write numbers up to one million in wordsWrite the numbers below in words. 384,384 Three hundred and eighty-four thousand, three hundred and eighty-four
592,000 Five hundred and ninety-two thousand
400,040 Four hundred thousand and forty
480,500 Four hundred and eighty thousand, five hundred
135. Identify the digit in each place value for six-digit numbersFor the questions below, write the digit of each place value. 198,238
Hundred-thousands:
Ten-thousands:
Thousands:
Hundreds:
Tens:
Ones:
201,467
Hundreds:
Hundred-thousands:
Ten-thousands:
Ones:
Thousands:
Tens:
392,564
Ten-thousands:
Tens:
Ones:
Hundred-thousands:
Thousands:
Hundreds:
136. Identify the value of each digit in six-digit numbersFor the questions below, write the value of each digit. 92,035
9 represents:
2 represents:
0 represents:
3 represents:
5 represents:
481,297
2 represents:
1 represents:
7 represents:
4 represents:
9 represents:
8 represents:
509,413
0 represents:
4 represents:
5 represents:
3 represents:
1 represents:
9 represents:
403 807
909 000
400 221
220 020
6
4
1
7
0
2
8
1
3
2
8
9
5
9
2
3
4
6
90 000
80 000
5
30
0
2 000
200
90
400 000
7
1 000
9 000
0
10
3
500 000
400
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137. Partition six-digit numbersPartition the numbers below.
40951 = + + +
583912 = + + + + +
450155 = + + + +
138. Compare numbers with up to six digitsWrite > or < in each box.
525252 252525 333333 44444 563929 592932
404888 408444 815531 815315 55000 500000
139. Order numbers with up to six digitsOrder each set of numbers from smallest to largest. 540 000, 45 400, 54 000, 455 000, 544 000
77 666, 677 666, 67 777, 767 666, 776 777
140. Round to the nearest 10 000, 1 000, 100 or 10For the questions below, round each number to the specified degree of accuracy. 282,493Round to the nearest…
Hundred thousand:
Ten thousand:
Thousand:
Hundred:
Ten:
391,295Round to the nearest…
Hundred thousand:
Ten thousand:
Thousand:
Hundred:
Ten:
302,401Round to the nearest…
Hundred thousand:
Ten thousand:
Thousand:
Hundred:
Ten:
40 000 900 50 1
500 000 80 000 3 000 900 10 2
400 000 50 000 100 50 5
> > <
< > <
45 400 54 000 455 000 540 000 544 000
67 777 77 666 677 666 767 666 776 777
300 000
282 490
282 500
282 000
280 000
400 000
391 300
391 300
391 000
390 000
300 000
302 400
302 400
302 000
300 000
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141. Count on in hundreds from a six-digit numberFor the questions below, write the next seven numbers, counting in hundreds. 19566, 19666, 19766,
199355, 199455, 199555,
142. Add a multiple of 100 to a six-digit numberComplete the questions below using mental methods. 8241 + 700 = 8 941
27553 + 800 = 28 353
289931 + 400 = 290 331
399555 + 700 = 400 255
143. Count back in hundreds from a six-digit numberFor the questions below, write the next seven numbers, counting back in hundreds. 100640, 100540, 100440,
244444, 244344, 244244,
144. Subtract a multiple of 100 from a six-digit numberComplete the questions below using mental methods. 49882 – 500 = 49 382
10191 – 500 = 9 691
284529 – 800 = 283 729
100394 – 600 = 99 794
145. Count on in thousands from a six-digit numberFor the questions below, write the next seven numbers, counting in thousands. 92522, 93522, 94522,
792322, 793322, 794322,
146. Add a multiple of 1000 to a six-digit numberComplete the questions below using mental methods. 14824 + 6000 = 20 824
994600 + 6000 = 100 600
383695 + 8000 =391 695
299915 + 9000 = 308 915
147. Count back in thousands from a six-digit numberFor the questions below, write the next seven numbers, counting back in thousands. 103555, 102555, 101555,
355222, 354222, 353222,
148. Subtract a multiple of 1000 from a six-digit numberComplete the questions below using mental methods. 28284 – 2000 = 26 284
231932 – 5000 = 226 932
2862745 – 8000 = 278 745
400400 – 4000 = 396 400
19866 19966 20066 20166 20266 20366 20466
199655 199755 199855 199955 200055 200155 200255
100340 100240 100140 100040 99940 99840 99740
244144 244040 243940 243844 243744 243644 243544
95522 96522 97522 98522 995221 100522 101522
795322 796322 797322 798322 799322 800322 801322
100555 99555 98555 97555 96555 95555 94555
352222 351222 350222 349222 348222 347222 346222
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149. Count on in steps of 10 000 from a six-digit numberFor the questions below, write the next seven numbers, counting in ten-thousands. 79500, 89500, 99500,
465000, 475000, 485000,
150. Add a multiple of 10 000 to a six-digit numberComplete the questions below using mental methods. 65000 + 40000 = 105 000 395000 + 30000 = 425 000 284500 + 50000 = 334 500
151. Count back in steps of 10 000 from a six-digit numberFor the questions below, write the next seven numbers, counting back in ten-thousands. 135400, 125400, 115400,
944005, 934005, 924005,
152. Subtract a multiple of 10 000 from a six-digit numberComplete the questions below using mental methods. 186000 – 30000 = 156 000 224284 – 70000 = 154 284 369009 – 70000 = 299 009
153. Add a multiple of 100 000 to a six-digit number49500 + 300000 = 349 500 230000 + 700000 = 930 000 284500 + 200000 = 484 500
154. Subtract a multiple of 100 000 from a six-digit number555000 – 500000 = 55 000 490000 – 300000 = 190 000 750000 – 500000 = 250 000
155. Solve missing number addition problems with six-digit numbers mentallyComplete the questions below by finding the missing numbers. 56500 + = 61500
93300 + = 103300
290005 + = 590005
299850 + = 300350
156. Solve missing number subtraction problems with six-digit numbers mentally 30450 – = 29650
310300 – = 210300
246700 – = 196700
677050 – = 669050
109500 119500 129500 139500 149500 159500 169500
495000 505000 515000 525000 535000 545000 555000
105400 95400 85400 75400 65400 55400 45400
914005 904005 894005 884005 874005 864005 854005
5 000 10 000
300 000 500
800
50 000 8 000
100 000
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157. Add large numbers using column additionComplete the questions below using column addition. 9681 + 5562 = 15 243
95435 + 90988 = 186 443
833560 + 67650 = 901 210
572749 + 231758 = 804 507
158. Subtract large numbers using column subtractionComplete the questions below using column subtraction. 13442 – 5144 = 8 298
124485 – 29669 = 94 816
214489 – 47969 = 166 520
352063 – 147445 = 204 618
159. Exchange across zero to subtract large numbers using column subtraction10005 – 5245 = 4 760
166005 – 85936 = 80 069
404004 – 35488 = 358 516
392003 – 139549 = 252 454
160. Solve missing number problems for addition and subtraction with large numbersComplete the questions below by finding the missing numbers.
= 656571 + 203943 + 58392 = 292020
536536 – = 654674 – 147445 = 82910
161. Solve missing digit addition problemsComplete the addition questions below by finding the missing digits.
162. Solve missing digit subtraction problemsComplete the subtraction questions below by finding the missing digits.
233 628
230 355118 138
860 516
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163. Write numbers to 100 in Roman numeralsWrite the numbers below in Roman numerals. 35 = XXXV 72 = LXXII 27 = XXVII 83 = LXXXIII 38 = XXXVIII
99 = XCIX 29 = XXIX 92 = XCII 74 = LXXIV 47 = XLVII
164. Read Roman numerals to 100Write the numbers represented by Roman numerals below. IV = 4 VII = 7 XIX = 19 XXVI = 26 XXXIV = 34
XXXVII = 37 XLI = 41 XLIV = 44 XLIX = 49 LV = 55
LXIV = 64 LXXIX = 79 LXXXIII = 83 XCIV = 94 XCVIII = 98
165. Write numbers to 1000 in Roman numeralsWrite the numbers below in Roman numerals. 124 = CXXIV 249 = CCXLIX 305 = CCCV 494 = CDXCIV 509 = DIX
590 = DXC 634 = DCXXXIV 799 = DCCCXCIX 850 = DCCCL 981 = CMDCCCI
166. Read Roman numerals to 1000Write the numbers represented by Roman numerals below. CVII = 107 CCXXXVI = 236 CCXLIV = 244 CCCLXXVIII = 378 CCCXC = 390
CDIX = 409 CDLX = 460 DLXXI = 571 DCII = 602 DCXX = 620
DCCLXXVII = 777 DCCXCIX = 799 DCCCXXX = 830 CMLXI = 961 CMXCVI = 996
167. Subtract to make a negative answer3 – 7 = -4 4 – 9 = -5 1 – 8 = -7
168. Add to a negative number-2 + 5 = 3 -4 + 8 = 4 -3 + 9 = 6
169. Complete number sequences involving negative numbersFor the questions below, write the next numbers in each sequence. -8, -6, -4,
7, 5, 3,
-11, -8, -5,
170. Subtract to make a negative answer with larger numbers26 – 72 = -46 5 – 85 = -50 89 – 91 = -2
171. Add to a negative number with larger numbers-34 + 69 = 35 -3 + 83 = 80 - 89 + 52 = -37
-2 0 2 4 6 8 10
1 -1 -3 -5 -7 -9 -11
-2 1 4 7 10 13
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172. Write numbers up to 10 million in digitsWrite the numbers below in digits. Seven million, two hundred and three thousand and twenty-seven
Eight million, two hundred thousand, three hundred
Five million, two thousand, five hundred Two million, two hundred and two thousand and two
173. Write numbers up to 10 million in wordsWrite the numbers below in words. 9,291,536 Nine million, two hundred and ninety-one thousand, five hundred and thirty-six
4,590,000 Four million, five hundred and ninety thousand
6,070,040 Six million, seventy thousand and forty
4,000,800 Four million, eight hundred
174. Identify the digit in each place value for seven-digit numbersFor the questions below, write the digit of each place value. 7,451,194
Millions:
Hundred thousands:
Ten thousands:
Thousands:
Hundreds:
Tens:
Ones:
5,709,846
Hundred thousands:
Tens:
Millions:
Thousands:
Ones:
Ten thousands:
Hundreds:
2,043,198
Ones:
Hundreds:
Hundred thousands:
Thousands:
Ten thousands:
Millions:
Tens:
175. Identify the value of each digit in seven-digit numbersFor the questions below, write the value of each digit. 4,052,160
4 represents:
5 represents:
2 represents:
1 represents:
6 represents:
8,504,297
2 represents:
4 represents:
7 represents:
8 represents:
9 represents:
5 represents:
2,638,041
6 represents:
8 represents:
2 represents:
1 represents:
4 represents:
3 represents:
7 203 027
5 002 500
8 200 300
2 202 002
0
7
6
9
5
4
8
9
7
1
1
5
4
4
2
8
4
3
0
1
9
4 000 000
5
60
100
2 000
50 000
200
90
8 000 000
7
4 000
30 000
600 000
40
1
2 000 000
8 000
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176. Partition seven-digit numbersPartition the numbers below.
4,307,042 = + + + +
6,193,413 = + + + + + +
7,460,253 = + + + + +
177. Order numbers with up to seven digitsOrder each set of numbers from smallest to largest. 9 600 000, 696 000, 90 000, 6 990 000, 9 660 000
77 666, 6 677 666, 7 777, 7 676 666, 7 767 777
178. Round to the nearest 10, 100, 1000, 10 000, 100 000 and 1 000 000For the questions below, round each number to the specified degree of accuracy. 7,451,194Round to the nearest…
Million:
Hundred thousand:
Ten thousand:
Thousand:
Hundred:
Ten:
3,409,846Round to the nearest…
Million:
Hundred thousand:
Ten thousand:
Thousand:
Hundred:
Ten:
2,042,242Round to the nearest…
Million:
Hundred thousand:
Ten thousand:
Thousand:
Hundred:
Ten:
4 000 000 300 000 7 000 40 2
6 000 000 100 000 90 000 3 000 400 10
7 000 000 400 000 60 000 200 50 3
3
90 000 696 000 6 990 000 9 600 000 9 660 000
7 777 77 666 6 677 666 7 676 666 7 767 777
7500000
7451200
7451200
7451000
7450000
7000000
3400000
3409850
3409800
3410000
3410000
3000000
2000000
2042240
2042200
2042000
2040000
2000000