Page 104 - Math;Steps 3a: resource masters

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RM103

• Addition 0-100 (2) •••• 3a:27

These pictures show how Craig found the answer to
36 + 17 on his abacus.

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36 ---7 pLLA5 '7 eXC~Qnge. \0 ma.t::es~ 53
> ones for Iten
>

3 6 4- 13 5 3

IT] Use your abacus to add these:
a 47 + 23 b 26 + 27 c 3q + 25

d 36 + 48 e 64 + 1q f 77 + 13

00 Find the total each time if these children add their numbers:

a Lee and Sue b Craig and Sue

c Lee and Craig d Lee, Craig and Sue

131 Find the missing numbers:

a D + 45 = 56 b D + 26 = 56

c D + 25 = 56 d 37 + D = 56

e D + 18 = 56 f D + 17 = 56

~ Find more ways to make totals of 56.

Solving addition problems, using a two-spike abacus.
Name Materials: two-spike abaci; beads

Date
I I
I © 1993 comns Ed ucattona I <an Imprint of Harpe<ComnsPubHshers) STEPS 3a
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