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B. Multiply orally.

(a) 0 14 × 0 500 = ______ (b) 0 18 × 500 = ______

(c) 0 13 × 0 700 = ______ (d) 0 46 × 200 × ______

(e) 0 54 × 0 90 = ______ (f) 135 × 60 = ______
0

(g) 0 59 × 0 90 = ______ (h) 0 19 × 400 = ______

(i) 0 32 × 300 = ______ (j) 0 53 × 300 = ______

(k) 0 43 × 400 = ______ (l) 0 34 × 300 = ______

(m) 0 79 × 0 80 = ______ (n) 0 29 × 300 = ______

Multiplication by 1-Digit Number (Without Carrying)

Example: Multiply 212 by . 4

Solution: 2 ones × 4 = 8 ones H T O

2 1 2
1 ten × 4 = 4 tens
× 4
2 hundred × 4 = 8 hundreds
8 4 8
So, 212 × 4 = 848

Example: Multiply 3123 by . 3

Solution: 3 ones × 3 = 9 ones Th H T O

2 ten × 3 = 6 tens 3 1 2 3

1 hundred × 3 = 3 hundreds × 3

3 thousand × 3 = 9 thousand 9 3 6 9

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Multiplication
Mathematics-3