hard Set 8 Form Exercise

Start at 46. Follow the chain: -1, ÷3, ÷3, ×3, +3. What is the result after step 3?

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Answer: 5

StartNumber
46
Steps
  • {"op":"-","value":1}
  • {"op":"\u00f7","value":3}
  • {"op":"\u00f7","value":3}
  • {"op":"\u00d7","value":3}
  • {"op":"+","value":3}
Values
  • 46
  • 45
  • 15
  • 5
  • 15
  • 18
MissingStep
2

Start at 18. Follow the chain: -7, -8, ÷3, +9, ÷5. What is the result after step 3?

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Answer: 1

StartNumber
18
Steps
  • {"op":"-","value":7}
  • {"op":"-","value":8}
  • {"op":"\u00f7","value":3}
  • {"op":"+","value":9}
  • {"op":"\u00f7","value":5}
Values
  • 18
  • 11
  • 3
  • 1
  • 10
  • 2
MissingStep
2

Start at 10. Follow the chain: ×4, -1, -1, -19, +19. What is the result after step 1?

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Answer: 40

StartNumber
10
Steps
  • {"op":"\u00d7","value":4}
  • {"op":"-","value":1}
  • {"op":"-","value":1}
  • {"op":"-","value":19}
  • {"op":"+","value":19}
Values
  • 10
  • 40
  • 39
  • 38
  • 19
  • 38
MissingStep
0

Start at 13. Follow the chain: +12, -20, ×5, -5, -16. What is the result after step 3?

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Answer: 25

StartNumber
13
Steps
  • {"op":"+","value":12}
  • {"op":"-","value":20}
  • {"op":"\u00d7","value":5}
  • {"op":"-","value":5}
  • {"op":"-","value":16}
Values
  • 13
  • 25
  • 5
  • 25
  • 20
  • 4
MissingStep
2

Start at 28. Follow the chain: ÷2, ÷2, ÷7, +4, ÷5. What is the result after step 4?

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Answer: 5

StartNumber
28
Steps
  • {"op":"\u00f7","value":2}
  • {"op":"\u00f7","value":2}
  • {"op":"\u00f7","value":7}
  • {"op":"+","value":4}
  • {"op":"\u00f7","value":5}
Values
  • 28
  • 14
  • 7
  • 1
  • 5
  • 1
MissingStep
3

Start at 11. Follow the chain: +9, ÷5, +2, ÷3, -1. What is the result after step 1?

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Answer: 20

StartNumber
11
Steps
  • {"op":"+","value":9}
  • {"op":"\u00f7","value":5}
  • {"op":"+","value":2}
  • {"op":"\u00f7","value":3}
  • {"op":"-","value":1}
Values
  • 11
  • 20
  • 4
  • 6
  • 2
  • 1
MissingStep
0

Start at 2. Follow the chain: +16, -4, +10, +19, +19. What is the result after step 2?

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Answer: 14

StartNumber
2
Steps
  • {"op":"+","value":16}
  • {"op":"-","value":4}
  • {"op":"+","value":10}
  • {"op":"+","value":19}
  • {"op":"+","value":19}
Values
  • 2
  • 18
  • 14
  • 24
  • 43
  • 62
MissingStep
1

Start at 40. Follow the chain: ×3, ÷8, +19, +10, ×4. What is the result after step 3?

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Answer: 34

StartNumber
40
Steps
  • {"op":"\u00d7","value":3}
  • {"op":"\u00f7","value":8}
  • {"op":"+","value":19}
  • {"op":"+","value":10}
  • {"op":"\u00d7","value":4}
Values
  • 40
  • 120
  • 15
  • 34
  • 44
  • 176
MissingStep
2