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046_G3U03_WB_CA_˙—» ¿º 2011.4.5 3:14 PM ˘ ` 8 PDF_In 2540DPI 150LPI T
046-B4-2
2. Add and write the correct numbers in the blanks.
Example
4, 7 3 8 4, 7 3 8
+ 486 + 486
4, 7 3 8 4, 7 3 8
+ 486 + 486
,
a. b. c.
3, 7 5 7 5, 4 6 8 4, 6 7 8
+1, 5 7 9 +2, 7 5 9 +2, 3 2 5
d. 5, 8 9 7 e. 2, 0 9 4 f. 6, 9 4 7
+2, 4 7 9 +3, 9 2 7 +2, 3 5 6
046-B4-2
2. Add and write the correct numbers in the blanks.
Example
4, 7 3 8 4, 7 3 8
+ 486 + 486
4, 7 3 8 4, 7 3 8
+ 486 + 486
,
a. b. c.
3, 7 5 7 5, 4 6 8 4, 6 7 8
+1, 5 7 9 +2, 7 5 9 +2, 3 2 5
d. 5, 8 9 7 e. 2, 0 9 4 f. 6, 9 4 7
+2, 4 7 9 +3, 9 2 7 +2, 3 5 6
