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029_G1U8_WB_˙—» ¿º 2011.3.28 11:25 AM ˘ ` 3 PDF_In 2540DPI 150LPI T
029-B2-1
Relating Addition and Subtraction (1)
1. Use the addition sentence to write the subtraction sentence.
Example - a. 7 -
+1
2
+3
58
b. 2 - c. 4 -
+2 +2
4 6
d. 3 - e. 2 -
+3 +5
6 7
f. 4 - g. 5 -
+4 +4
8 9
029-B2-1
Relating Addition and Subtraction (1)
1. Use the addition sentence to write the subtraction sentence.
Example - a. 7 -
+1
2
+3
58
b. 2 - c. 4 -
+2 +2
4 6
d. 3 - e. 2 -
+3 +5
6 7
f. 4 - g. 5 -
+4 +4
8 9
