hard Set 3 Form Exercise

Start at 3. Follow the chain: ×2, ÷3, +20, ×2, ÷4. What is the result after step 1?

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Answer: 6

StartNumber
3
Steps
  • {"op":"\u00d7","value":2}
  • {"op":"\u00f7","value":3}
  • {"op":"+","value":20}
  • {"op":"\u00d7","value":2}
  • {"op":"\u00f7","value":4}
Values
  • 3
  • 6
  • 2
  • 22
  • 44
  • 11
MissingStep
0

Start at 45. Follow the chain: -5, +4, -12, ÷8, ×5. What is the result after step 3?

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Answer: 32

StartNumber
45
Steps
  • {"op":"-","value":5}
  • {"op":"+","value":4}
  • {"op":"-","value":12}
  • {"op":"\u00f7","value":8}
  • {"op":"\u00d7","value":5}
Values
  • 45
  • 40
  • 44
  • 32
  • 4
  • 20
MissingStep
2

Start at 29. Follow the chain: +11, ÷4, ×5, ÷5, -7. What is the result after step 5?

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Answer: 3

StartNumber
29
Steps
  • {"op":"+","value":11}
  • {"op":"\u00f7","value":4}
  • {"op":"\u00d7","value":5}
  • {"op":"\u00f7","value":5}
  • {"op":"-","value":7}
Values
  • 29
  • 40
  • 10
  • 50
  • 10
  • 3
MissingStep
4

Start at 26. Follow the chain: -10, +10, -12, +17, ×4. What is the result after step 4?

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Answer: 31

StartNumber
26
Steps
  • {"op":"-","value":10}
  • {"op":"+","value":10}
  • {"op":"-","value":12}
  • {"op":"+","value":17}
  • {"op":"\u00d7","value":4}
Values
  • 26
  • 16
  • 26
  • 14
  • 31
  • 124
MissingStep
3

Start at 49. Follow the chain: ÷7, ÷7, ×3, ×2, ÷2. What is the result after step 4?

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Answer: 6

StartNumber
49
Steps
  • {"op":"\u00f7","value":7}
  • {"op":"\u00f7","value":7}
  • {"op":"\u00d7","value":3}
  • {"op":"\u00d7","value":2}
  • {"op":"\u00f7","value":2}
Values
  • 49
  • 7
  • 1
  • 3
  • 6
  • 3
MissingStep
3

Start at 16. Follow the chain: -10, ÷3, -1, ×5, ×5. What is the result after step 3?

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Answer: 1

StartNumber
16
Steps
  • {"op":"-","value":10}
  • {"op":"\u00f7","value":3}
  • {"op":"-","value":1}
  • {"op":"\u00d7","value":5}
  • {"op":"\u00d7","value":5}
Values
  • 16
  • 6
  • 2
  • 1
  • 5
  • 25
MissingStep
2

Start at 14. Follow the chain: -10, -3, +9, -6, +8. What is the result after step 2?

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Answer: 1

StartNumber
14
Steps
  • {"op":"-","value":10}
  • {"op":"-","value":3}
  • {"op":"+","value":9}
  • {"op":"-","value":6}
  • {"op":"+","value":8}
Values
  • 14
  • 4
  • 1
  • 10
  • 4
  • 12
MissingStep
1

Start at 50. Follow the chain: ÷2, ×2, -15, -3, ×2. What is the result after step 4?

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Answer: 32

StartNumber
50
Steps
  • {"op":"\u00f7","value":2}
  • {"op":"\u00d7","value":2}
  • {"op":"-","value":15}
  • {"op":"-","value":3}
  • {"op":"\u00d7","value":2}
Values
  • 50
  • 25
  • 50
  • 35
  • 32
  • 64
MissingStep
3