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054_G3U10_WB_CA_˙—» ¿º 2011.4.5 5:39 PM ˘ ` 3 PDF_In 2540DPI 150LPI T
Understand Multiplication (1) 054-B2-1
1. Multiply and write the missing numbers.
^2
Example 20
23^2= 3
23 ^
^
+2 3
a. ^4 b. ^2
21^4= 20 34^2= 30
1 4
c. ^3 d. ^2
31^3= 30 42^2= 40
1 2
Understand Multiplication (1) 054-B2-1
1. Multiply and write the missing numbers.
^2
Example 20
23^2= 3
23 ^
^
+2 3
a. ^4 b. ^2
21^4= 20 34^2= 30
1 4
c. ^3 d. ^2
31^3= 30 42^2= 40
1 2
