hard Set 7 Form Exercise

Start at 33. Follow the chain: ×3, +1, +16, ÷2, +12. What is the result after step 1?

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Answer: 99

StartNumber
33
Steps
  • {"op":"\u00d7","value":3}
  • {"op":"+","value":1}
  • {"op":"+","value":16}
  • {"op":"\u00f7","value":2}
  • {"op":"+","value":12}
Values
  • 33
  • 99
  • 100
  • 116
  • 58
  • 70
MissingStep
0

Start at 25. Follow the chain: ×4, -8, +10, +14, +4. What is the result after step 1?

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Answer: 100

StartNumber
25
Steps
  • {"op":"\u00d7","value":4}
  • {"op":"-","value":8}
  • {"op":"+","value":10}
  • {"op":"+","value":14}
  • {"op":"+","value":4}
Values
  • 25
  • 100
  • 92
  • 102
  • 116
  • 120
MissingStep
0

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

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Answer: 3

StartNumber
2
Steps
  • {"op":"\u00d7","value":2}
  • {"op":"\u00f7","value":2}
  • {"op":"+","value":1}
  • {"op":"-","value":1}
  • {"op":"-","value":1}
Values
  • 2
  • 4
  • 2
  • 3
  • 2
  • 1
MissingStep
2

Start at 19. Follow the chain: -8, ×5, +16, +5, -18. What is the result after step 5?

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Answer: 58

StartNumber
19
Steps
  • {"op":"-","value":8}
  • {"op":"\u00d7","value":5}
  • {"op":"+","value":16}
  • {"op":"+","value":5}
  • {"op":"-","value":18}
Values
  • 19
  • 11
  • 55
  • 71
  • 76
  • 58
MissingStep
4

Start at 49. Follow the chain: -16, -13, ÷2, ÷5, ÷2. What is the result after step 5?

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Answer: 1

StartNumber
49
Steps
  • {"op":"-","value":16}
  • {"op":"-","value":13}
  • {"op":"\u00f7","value":2}
  • {"op":"\u00f7","value":5}
  • {"op":"\u00f7","value":2}
Values
  • 49
  • 33
  • 20
  • 10
  • 2
  • 1
MissingStep
4

Start at 18. Follow the chain: -13, +10, +5, ×4, +10. What is the result after step 1?

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Answer: 5

StartNumber
18
Steps
  • {"op":"-","value":13}
  • {"op":"+","value":10}
  • {"op":"+","value":5}
  • {"op":"\u00d7","value":4}
  • {"op":"+","value":10}
Values
  • 18
  • 5
  • 15
  • 20
  • 80
  • 90
MissingStep
0

Start at 24. Follow the chain: ÷2, ÷6, +5, +14, +15. What is the result after step 2?

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Answer: 2

StartNumber
24
Steps
  • {"op":"\u00f7","value":2}
  • {"op":"\u00f7","value":6}
  • {"op":"+","value":5}
  • {"op":"+","value":14}
  • {"op":"+","value":15}
Values
  • 24
  • 12
  • 2
  • 7
  • 21
  • 36
MissingStep
1

Start at 11. Follow the chain: -7, +11, ×5, ÷3, ×4. What is the result after step 1?

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Answer: 4

StartNumber
11
Steps
  • {"op":"-","value":7}
  • {"op":"+","value":11}
  • {"op":"\u00d7","value":5}
  • {"op":"\u00f7","value":3}
  • {"op":"\u00d7","value":4}
Values
  • 11
  • 4
  • 15
  • 75
  • 25
  • 100
MissingStep
0