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Example 3. Find 104 × 590.

Solution. TTh Th H T O TTh Th H T O
1 0 4 1 0 4
× 5 9 0 500 + 90 + 0 × 5 9 0 500 + 90 + 0

0 0 0 104 × 0 Or 9 3 6 0 104 × 90

9 3 6 0 104 × 90 + 5 2 0 0 0 104 × 500
+ 5 2 0 0 0 104 × 500 6 1 3 6 0

6 1 3 6 0

Therefore, 104 × 590 = 61360.

Exercise 3D

1. Fill in the blanks.

a. 41 × 100 = ____ b. 357 × 100 = ____ c. 85 × ___ = 8500

d. __ × 100 = 24900 e. 56 × 200 = ____ f. 172 × 300 = ____

g. 164 × 500 = ____ h. 149 × 90 = ____ i. 123 × 800 = ____
2. Find the product.

a. 2 4 5 b. 2 0 7
× 1 9 3 × 3 0 8

c. 5 7 0 d. 1 7 1
× 1 6 0 × 2 7 3

3. Solve the following:

a. 232 × 317 = _______ b. 261 × 189 = _______ c. 145 × 264 = _______

d. 325 × 249 = _______ e. 709 × 113 = _______ f. 372 × 160 = _______

g. 248 × 403 = _______ h. 273 × 304 = _______ i. 504 × 130 = _______
j. 437 × 141 = _______ k. 239 × 241 = _______ l. 418 × 205 = _______

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Multiplication