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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

MEAP Preparation - Grade 3 Mathematics
2.18 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: 7 x 8 = 56. What is the inverse operation?
56 ÷ 7 = 5
8 ÷ 7 = 1
56 ÷ 7 = 8

 Q 2: 54 ÷ 9 = 6. What is the inverse operation?
54 x 9 = 6
9 x 6 = 54
54 ÷ 6 = 9

Q 3: 36 ÷ 6 = 6. What is the inverse operation?
6 x 7 = 42
7 x 6 = 42
6 x 6 = 36

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

Q 5: 15 x 10 = 150. What is the inverse operation?
150 ÷ 10 = 15
both
150 ÷ 15 = 10

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

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

 Q 8: 6 x 11 = 66. What is the inverse operation?
11 x 6 = 66
66 ÷ 6 = 11
6 ÷ 66 = 11

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