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Grade 5 - What was the number?

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    Reversing order of operations
  •   Study   Slideshow
  • Ben is thinking of a number. He adds 5 to his number, then multiplies by 2. His answer is 20. What number is Ben thinking of?
    5
  •  15
  • Sarah is thinking of a number. She subtracts 4 from her number, then multiplies by 3. Her answer is 18. What number is Sarah thinking of?
    10
  •  15
  • Liam is thinking of a number. He multiplies his number by 4, then adds 3. His answer is 23. What number is Liam thinking of?
    5
  •  15
  • Maya is thinking of a number. She divides her number by 2, then adds 8. Her answer is 12. What number is Maya thinking of?
    8
  •  15
  • Noah is thinking of a number. He multiplies his number by 10, then adds 5. His answer is 55. What number is Noah thinking of?
    5
  •  15
  • Eva is thinking of a number. She adds 3 to her number, then multiplies by 6. Her answer is 42. What number is Eva thinking of?
    4
  •  15
  • Oscar is thinking of a number. He subtracts 7 from his number, then multiplies by 2. His answer is 10. What number is Oscar thinking of?
    12
  •  15
  • Zara is thinking of a number. She divides her number by 4, then adds 6. Her answer is 9. What number is Zara thinking of?
    12
  •  15
  • James is thinking of a number. He adds 20 to his number, then divides by 2. His answer is 30. What number is James thinking of?
    40
  •  15
  • Sofia is thinking of a number. She multiplies her number by 3, then subtracts 1. Her answer is 20. What number is Sofia thinking of?
    7
  •  15
  • Lucas is thinking of a number. He divides his number by 5, then subtracts 3. His answer is 1. What number is Lucas thinking of?
    20
  •  15
  • Emily is thinking of a number. She adds 12 to her number, then divides by 3. Her answer is 10. What number is Emily thinking of?
    18
  •  15
  • Aiden is thinking of a number. He multiplies his number by 2, then adds 15. His answer is 35. What number is Aiden thinking of?
    10
  •  15
  • Olivia is thinking of a number. She subtracts 1 from her number, then multiplies by 9. Her answer is 36. What number is Olivia thinking of?
    5
  •  15
  • Mason is thinking of a number. He divides his number by 10, then adds 50. His answer is 56. What number is Mason thinking of?
    60
  •  15
  • Ava is thinking of a number. She multiplies her number by 8, then subtracts 8. Her answer is 40. What number is Ava thinking of?
    6
  •  15