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Slide 1
Inverse Operations Math Flashcards Challenge
Year 5 Mathematics Addition, Subtraction, Multiplication & Division 45-minute Interactive Session
Slide 2
What are Inverse Operations?
Operations that 'undo' each other Addition and subtraction are inverses Multiplication and division are inverses Help us find missing numbers in equations
Slide 3
Flashcard Challenge #1
_____ + 8 = 15
Slide 4
Answer #1
15 - 8 = 7 Check: 7 + 8 = 15 ✓ We used subtraction to solve addition!
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Slide 5
Flashcard Challenge #2
23 - _____ = 16
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Slide 6
Answer #2
23 - 16 = 7 Check: 23 - 7 = 16 ✓ We found what was subtracted!
Slide 7
Flashcard Challenge #3
_____ × 6 = 42
Slide 8
Answer #3
42 ÷ 6 = 7 Check: 7 × 6 = 42 ✓ Division helped us solve multiplication!
Slide 9
Flashcard Challenge #4
56 ÷ _____ = 8
Slide 10
Answer #4
8 × 7 = 56 So 56 ÷ 7 = 8 Check: 56 ÷ 7 = 8 ✓
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Slide 11
Flashcard Challenge #5
_____ + 17 = 35
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Slide 12
Answer #5
35 - 17 = 18 Check: 18 + 17 = 35 ✓
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