add and subtract 2-digit and 3-digit 2 numbers – not crossing ......add and subtract 2-digit and...
TRANSCRIPT
Add and subtract 2-digit and 3-digit numbers – not crossing 10 or 100
1 Workouttheadditions.
a)Hundreds Tens Ones
b)H T O
100
100
100
1 1
1 1
1 1
1
10
10
10
10
1 1
c)H T O
2 3 7
+ 5 1
d)H T O
7 5 2
+ 3 7
2 Workoutthesesubtractions.
a)
H T O
b)H T O
100
100
100
100
100
10
10
10
1 1
1 1
1 1
H T O
5 3 6
– 3 5
c)H T O
7 8 5
– 5 2
d)H T O
9 8 5
– 7 2
3 Completetheadditions.
a)£69+£220=£
b)314+42+23=
©WhiteRoseMaths2019
H T O
2 5 1
+ 3 2
H T O
3 0 7
+ 4 2
H T O
4 2 7
– 1 5
6 Filipwantstobuythesetwoitems.
£125
£72
Hehas£200
Doeshehaveenoughmoney?______________
Howdoyouknow?Talktoapartner.
7 Usethedigitcardstomakeeachcalculationcorrect.
3 71 6 9
H T O
+
9 9 8
H T O
+
9 8 9
H T O
–
1 6 1
H T O
–
6 2 2
4 a)Evausesanumberlinetoworkout312+37
300 127312
+ 30 + 7
342 349 133 134 135 400
WhathasEvadone?Talktoapartner.
b)Usethenumberlinetoworkout425+63
133 134 135400 500
c)Usethenumberlinetoworkout774–62
133 134 135700 800
5 Estherhasapieceofwood255cmlong.
Shecutsitinto2pieces.
34 cm 221 cm
Onepieceis34cmlong.
Howlongistheotherpiece?
©WhiteRoseMaths2019