hard Set 5 Form Exercise

Start at 8. Follow the chain: -3, +15, ×4, +6, ÷2. What is the result after step 4?

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Answer: 86

StartNumber
8
Steps
  • {"op":"-","value":3}
  • {"op":"+","value":15}
  • {"op":"\u00d7","value":4}
  • {"op":"+","value":6}
  • {"op":"\u00f7","value":2}
Values
  • 8
  • 5
  • 20
  • 80
  • 86
  • 43
MissingStep
3

Start at 40. Follow the chain: +5, ÷3, -10, -3, ×2. What is the result after step 4?

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Answer: 2

StartNumber
40
Steps
  • {"op":"+","value":5}
  • {"op":"\u00f7","value":3}
  • {"op":"-","value":10}
  • {"op":"-","value":3}
  • {"op":"\u00d7","value":2}
Values
  • 40
  • 45
  • 15
  • 5
  • 2
  • 4
MissingStep
3

Start at 32. Follow the chain: ÷8, +13, -14, +20, +13. What is the result after step 1?

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Answer: 4

StartNumber
32
Steps
  • {"op":"\u00f7","value":8}
  • {"op":"+","value":13}
  • {"op":"-","value":14}
  • {"op":"+","value":20}
  • {"op":"+","value":13}
Values
  • 32
  • 4
  • 17
  • 3
  • 23
  • 36
MissingStep
0

Start at 38. Follow the chain: -5, ÷3, ×2, -15, +17. What is the result after step 4?

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Answer: 7

StartNumber
38
Steps
  • {"op":"-","value":5}
  • {"op":"\u00f7","value":3}
  • {"op":"\u00d7","value":2}
  • {"op":"-","value":15}
  • {"op":"+","value":17}
Values
  • 38
  • 33
  • 11
  • 22
  • 7
  • 24
MissingStep
3

Start at 21. Follow the chain: -6, ÷3, ×2, +18, ÷2. What is the result after step 4?

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Answer: 28

StartNumber
21
Steps
  • {"op":"-","value":6}
  • {"op":"\u00f7","value":3}
  • {"op":"\u00d7","value":2}
  • {"op":"+","value":18}
  • {"op":"\u00f7","value":2}
Values
  • 21
  • 15
  • 5
  • 10
  • 28
  • 14
MissingStep
3

Start at 24. Follow the chain: ×2, -7, +17, -13, +4. What is the result after step 4?

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Answer: 45

StartNumber
24
Steps
  • {"op":"\u00d7","value":2}
  • {"op":"-","value":7}
  • {"op":"+","value":17}
  • {"op":"-","value":13}
  • {"op":"+","value":4}
Values
  • 24
  • 48
  • 41
  • 58
  • 45
  • 49
MissingStep
3

Start at 18. Follow the chain: ÷6, +6, ÷9, +18, -6. What is the result after step 3?

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Answer: 1

StartNumber
18
Steps
  • {"op":"\u00f7","value":6}
  • {"op":"+","value":6}
  • {"op":"\u00f7","value":9}
  • {"op":"+","value":18}
  • {"op":"-","value":6}
Values
  • 18
  • 3
  • 9
  • 1
  • 19
  • 13
MissingStep
2

Start at 42. Follow the chain: ×3, ÷3, +14, -12, +17. What is the result after step 1?

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Answer: 126

StartNumber
42
Steps
  • {"op":"\u00d7","value":3}
  • {"op":"\u00f7","value":3}
  • {"op":"+","value":14}
  • {"op":"-","value":12}
  • {"op":"+","value":17}
Values
  • 42
  • 126
  • 42
  • 56
  • 44
  • 61
MissingStep
0