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054_G3U10_G3U15_˙—» ¿º 2011.3.22 9:19 PM ˘ ` 95 PDF_In 2540DPI 150LPI T
2 . Learn how to multiply 42 by 3.
Multiply the ones. 42 42
3 2 ones = 6 ones 3 3
6 6
Multiply the ones.
120 Multiply the tens.
126 Add the products.
Multiply the tens. 42
3
3 4 tens = 12 tens
= 1 hundred 2 tens 126
Multiply. b. 32 c. 63 d. 42
4 3 4
a. 51
3 x x x
x
e. 63 f. 43 g. 81 h. 71
2 3 4 3
x x x x
i. 41 5 j. 74 2 k. 91 2
10. 99 0 = ?? 95
2 . Learn how to multiply 42 by 3.
Multiply the ones. 42 42
3 2 ones = 6 ones 3 3
6 6
Multiply the ones.
120 Multiply the tens.
126 Add the products.
Multiply the tens. 42
3
3 4 tens = 12 tens
= 1 hundred 2 tens 126
Multiply. b. 32 c. 63 d. 42
4 3 4
a. 51
3 x x x
x
e. 63 f. 43 g. 81 h. 71
2 3 4 3
x x x x
i. 41 5 j. 74 2 k. 91 2
10. 99 0 = ?? 95
