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### Grade 3 - Mathematics2.9 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: 15 x 10 = 150. What is the inverse operation?150 ÷ 15 = 10150 ÷ 10 = 15both Q 2: 36 ÷ 6 = 6. What is the inverse operation?6 x 6 = 367 x 6 = 426 x 7 = 42 Q 3: 54 ÷ 9 = 6. What is the inverse operation?9 x 6 = 5454 ÷ 6 = 954 x 9 = 6 Q 4: 49 ÷ 7 = 7. What is the inverse operation?7 ÷ 7 = 497 x 7 = 4949 ÷ 8 = 7 Q 5: 4 x 5 = 20. What is the inverse operation?5 ÷ 4 = 2020 ÷ 10 = 220 ÷ 5 = 4 Q 6: 5 x 8 = 40. What is the inverse operation?8 x 5 = 4040 ÷ 5 = 840 ÷ 5 = 4 Q 7: 35 ÷ 7 = 5. What is the inverse operation?35 ÷ 5 = 77 ÷ 35 = 57 x 5 = 35 Q 8: 6 x 11 = 66. What is the inverse operation?6 ÷ 66 = 1111 x 6 = 6666 ÷ 6 = 11 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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