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041_G2U7_WB˙—» ¿º 2011.3.31 7:7 PM ˘ ` 1
041-B1-1
Subtraction Without Regrouping
1. Count the number of marbles to solve each subtraction problem.
Example a.
40
43 30
20
b. c.
56 37
6 20
d. e.
65 48
35 16
f. 5 7 g. 7 4
43 52
041-B1-1
Subtraction Without Regrouping
1. Count the number of marbles to solve each subtraction problem.
Example a.
40
43 30
20
b. c.
56 37
6 20
d. e.
65 48
35 16
f. 5 7 g. 7 4
43 52
