Page 159 - NUMINO_WB_2A
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041_G2U7_WB˙—» ¿º 2011.3.31 7:7 PM ˘ ` 9
041-B5-1
Subtract Two-Digit Numbers
1. Use base ten blocks to solve each subtraction problem.
Example
23 15
a.
34 17
b.
45 19
c.
52 26
d.
47 28
041-B5-1
Subtract Two-Digit Numbers
1. Use base ten blocks to solve each subtraction problem.
Example
23 15
a.
34 17
b.
45 19
c.
52 26
d.
47 28