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(c) 000 98 × 000 38 = 000 38 × ______

(d) 000 46 × ______ = 000 58 × ______

(e) 0 1377 × ______ = 0 1377

(f) ______ × 00 385 = 00 385

(g) 0 4213 × 0000 1 = ______

0
(h) 0000 1 × 4821 = ______

(i) 0 1576 × 0000 0 = ______

(j) 0000 0 × 7342 = ______
0

MULTIPLICATION BY TEN, HUNDRED AND THOUSAND

To multiply a number 10, 100 and 1000. Just put one, two or three zeroes after

the number.

10 has one zero, 100 has two zeroes and 1000 has three zeroes.

For example: 9 × 10 = 90 9 ×100 = 900 9 × 1000 = 9000

85 × 10 = 850 85 ×100 = 8500

MULTIPLICATION BY TENS AND HUNDREDS

(i) To multiply a number by 20, 30, 40...., multiply it by 2, 3, 4 and put one
zero after the product.

For example: multiply 16 by 7,

16 × 7 = 112 and put one zero after 112 → 1120

16 × 70 = 1120

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Multiplication
Mathematics-3