 # Math Olympiad Grade 4 Test-14 Multiplication & Division Worksheet-15

1. How much is (137 × 137) – (136 × 136) ?

A. 493                 B. 1869             C. 273                 D. 869

1. Then find the product of 55555 × 5 = ?

A. 27, 57,575     B. 2, 77,777       C. 27,775            D. 2, 77,775

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1. The following table and the given pictograph shows the number of children in some towns. Which of the following is the correct representation of the number of children in Delhi?

A. ©©©©                                    B. ©©©©

C. ©©©©©                                 D. ©©©©©©

1. Observe the following multiplications and then find the product of 707 × 707 = ?

404 × 404 = 163216

505 × 505 = 255025

606 × 606 = 367236

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A. 499864         B. 494949         C. 499849         D. 499649

1. Estimate the product 15 × 31 × 78 by rounding each number to the nearest ten?

A. 24000           B. 48000           C. 42000           D. 21000

Answer Keys

(6)–C; (7)–D; (8)–C; (9)–C; (10)–B 