Page 103 - Math;Steps 3a: resource masters

RM102

• Addition 0-100 (2) •••• 30:27

These pictures show how 24
Keri found the answer to + 57.

tens ones tens tens

24
.-... II 0000

57
.-... 11111 00000000
24
+ 57
81

[]] Find the answers to these.
Remember to think, 'The answer will be about ... ' first.

a 16 c 26
+ 47 + 15

e 27 f 53 9 68 h 77
+ 26 + 28 + 17 + 18

d 14 e 46 f 38
+ 67 + 47 + 57
80 <t3 95

Adding together pairs of two-digit numbers, with
I Name exchange of ones for a ten.
Materials: addition board; base 10 longs and ones
I Date
l © 1993 Collins Educational (an imprint of HarperCollinsPublishers) STEPS 3a

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