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Page 1: Subtraction Strategies: Counting On by tens to subtract: 130 – 80
Page 2: Subtraction Strategies: Counting On by tens to subtract: 130 – 80

Subtraction Strategies: Counting On by tens to subtract: 130 – 80

Page 3: Subtraction Strategies: Counting On by tens to subtract: 130 – 80
Page 4: Subtraction Strategies: Counting On by tens to subtract: 130 – 80

Mr. Lee had 134 pieces of candy in a bowl. He gave away 58 pieces of candy.

How many pieces does he have left?

Page 5: Subtraction Strategies: Counting On by tens to subtract: 130 – 80
Page 6: Subtraction Strategies: Counting On by tens to subtract: 130 – 80

Math Mountains

Page 7: Subtraction Strategies: Counting On by tens to subtract: 130 – 80

Practice

9

- -

+54

9

54

Page 8: Subtraction Strategies: Counting On by tens to subtract: 130 – 80

Practice

- -

+57 57

7 + 5 =

3 2

12

10+2=12

Page 9: Subtraction Strategies: Counting On by tens to subtract: 130 – 80

Math MountainsFirst Grade

Third & Fourth Grades

Second Grade

7 + 5 =

32

10 + 2 = 12 4

6

2+

--

6 - = 2

6

3x

2

.

...

Page 10: Subtraction Strategies: Counting On by tens to subtract: 130 – 80
Page 11: Subtraction Strategies: Counting On by tens to subtract: 130 – 80

David has 5 marbles. Anna has 8 marbles. How many more marbles does Anna have?

David has 5 marbles. Anna has 8 marbles. How many fewer marbles does David have?

There are 15 fish in a tank. 12 are goldfish, the rest are angelfish. How many more goldfish are there than angelfish?

1.

2.

3.

Page 12: Subtraction Strategies: Counting On by tens to subtract: 130 – 80

21 x 4

4

20 + 1

4 x 20 = 80 80+ 4 84

17 x 4

4

17 = 10 + 7

40+28 68

40 28

4x1

=4

20=

4


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