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054_G3U10_G3U15_˙—» ¿º 2011.3.22 9:19 PM ˘ ` 93 PDF_In 2540DPI 150LPI T
2 . Learn how to multiply 12 by 4.
Multiply the ones. 12 12
4 2 ones = 8 ones 4 4
8 8 Multiply the ones.
4 0 Multiply the tens.
4 8 Add the products.
Multiply the tens. 12
4 1 ten = 4 tens 4
48
Multiply. b. 14 c. 32 d. 23
2 2 2
a. 22
3 x x x
x
e. 32 f. 43 g. 12 h. 21
3 2 3 2
x x x x
i. 31 2 j. 42 2 k. 11 6
10. 99 0 = ?? 93
2 . Learn how to multiply 12 by 4.
Multiply the ones. 12 12
4 2 ones = 8 ones 4 4
8 8 Multiply the ones.
4 0 Multiply the tens.
4 8 Add the products.
Multiply the tens. 12
4 1 ten = 4 tens 4
48
Multiply. b. 14 c. 32 d. 23
2 2 2
a. 22
3 x x x
x
e. 32 f. 43 g. 12 h. 21
3 2 3 2
x x x x
i. 31 2 j. 42 2 k. 11 6
10. 99 0 = ?? 93
