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### MEAP Preparation - Grade 3 Mathematics2.18 Multiplication and Division as Inverse Operations

 An inverse operation reverses another operation. Addition and subtraction are inverses of each other. Example: The addition fact 9 + 5 = 14 can be written as subtraction fact as 14 - 5 = 9 or 14 - 9 = 5 Similarly, multiplication and division are inverses of each other. Example: The multiplication fact 11 × 5 = 55 can be written as division fact as 55 ÷ 5 = 11 or 55 ÷ 11 = 5 Directions: Answer the following questions. Also write at least ten examples for multiplication and division as inverse operations.
 Q 1: 6 x 11 = 66. What is the inverse operation?11 x 6 = 666 ÷ 66 = 1166 ÷ 6 = 11 Q 2: 36 ÷ 6 = 6. What is the inverse operation?6 x 6 = 366 x 7 = 427 x 6 = 42 Q 3: 35 ÷ 7 = 5. What is the inverse operation?7 x 5 = 3535 ÷ 5 = 77 ÷ 35 = 5 Q 4: 54 ÷ 9 = 6. What is the inverse operation?54 x 9 = 69 x 6 = 5454 ÷ 6 = 9 Q 5: 48 ÷ 6 = 8. What is the inverse operation?8 x 6 = 486 x 6 = 368 x 8 = 64 Q 6: 49 ÷ 7 = 7. What is the inverse operation?49 ÷ 8 = 77 x 7 = 497 ÷ 7 = 49 Q 7: 4 x 5 = 20. What is the inverse operation?20 ÷ 10 = 220 ÷ 5 = 45 ÷ 4 = 20 Q 8: 15 x 10 = 150. What is the inverse operation?both150 ÷ 15 = 10150 ÷ 10 = 15 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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