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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 3 - Mathematics
2.9 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: 6 x 11 = 66. What is the inverse operation?
66 6 = 11
11 x 6 = 66
6 66 = 11

Q 2: 15 x 10 = 150. What is the inverse operation?
both
150 10 = 15
150 15 = 10

Q 3: 4 x 5 = 20. What is the inverse operation?
20 5 = 4
20 10 = 2
5 4 = 20

Q 4: 48 6 = 8. What is the inverse operation?
8 x 6 = 48
8 x 8 = 64
6 x 6 = 36

Q 5: 36 6 = 6. What is the inverse operation?
7 x 6 = 42
6 x 7 = 42
6 x 6 = 36

Q 6: 35 7 = 5. What is the inverse operation?
35 5 = 7
7 35 = 5
7 x 5 = 35

Q 7: 7 x 8 = 56. What is the inverse operation?
8 7 = 1
56 7 = 8
56 7 = 5

Q 8: 5 x 8 = 40. What is the inverse operation?
8 x 5 = 40
40 5 = 4
40 5 = 8

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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