hard Set 4 Form Exercise

Start at 10. Follow the chain: +12, +19, +9, ÷5, ÷5. What is the result after step 1?

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Answer: 22

StartNumber
10
Steps
  • {"op":"+","value":12}
  • {"op":"+","value":19}
  • {"op":"+","value":9}
  • {"op":"\u00f7","value":5}
  • {"op":"\u00f7","value":5}
Values
  • 10
  • 22
  • 41
  • 50
  • 10
  • 2
MissingStep
0

Start at 44. Follow the chain: ÷4, ×2, -8, ÷2, ÷7. What is the result after step 3?

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Answer: 14

StartNumber
44
Steps
  • {"op":"\u00f7","value":4}
  • {"op":"\u00d7","value":2}
  • {"op":"-","value":8}
  • {"op":"\u00f7","value":2}
  • {"op":"\u00f7","value":7}
Values
  • 44
  • 11
  • 22
  • 14
  • 7
  • 1
MissingStep
2

Start at 39. Follow the chain: ×3, -1, ÷4, ×4, ÷4. What is the result after step 4?

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Answer: 116

StartNumber
39
Steps
  • {"op":"\u00d7","value":3}
  • {"op":"-","value":1}
  • {"op":"\u00f7","value":4}
  • {"op":"\u00d7","value":4}
  • {"op":"\u00f7","value":4}
Values
  • 39
  • 117
  • 116
  • 29
  • 116
  • 29
MissingStep
3

Start at 21. Follow the chain: ×2, ÷6, +13, ÷5, ×2. What is the result after step 5?

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Answer: 8

StartNumber
21
Steps
  • {"op":"\u00d7","value":2}
  • {"op":"\u00f7","value":6}
  • {"op":"+","value":13}
  • {"op":"\u00f7","value":5}
  • {"op":"\u00d7","value":2}
Values
  • 21
  • 42
  • 7
  • 20
  • 4
  • 8
MissingStep
4

Start at 48. Follow the chain: -6, ÷3, -3, -4, ×5. What is the result after step 1?

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Answer: 42

StartNumber
48
Steps
  • {"op":"-","value":6}
  • {"op":"\u00f7","value":3}
  • {"op":"-","value":3}
  • {"op":"-","value":4}
  • {"op":"\u00d7","value":5}
Values
  • 48
  • 42
  • 14
  • 11
  • 7
  • 35
MissingStep
0

Start at 39. Follow the chain: +15, -11, +11, +2, ×3. What is the result after step 1?

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Answer: 54

StartNumber
39
Steps
  • {"op":"+","value":15}
  • {"op":"-","value":11}
  • {"op":"+","value":11}
  • {"op":"+","value":2}
  • {"op":"\u00d7","value":3}
Values
  • 39
  • 54
  • 43
  • 54
  • 56
  • 168
MissingStep
0

Start at 4. Follow the chain: +10, +7, -14, -4, -1. What is the result after step 4?

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Answer: 3

StartNumber
4
Steps
  • {"op":"+","value":10}
  • {"op":"+","value":7}
  • {"op":"-","value":14}
  • {"op":"-","value":4}
  • {"op":"-","value":1}
Values
  • 4
  • 14
  • 21
  • 7
  • 3
  • 2
MissingStep
3

Start at 49. Follow the chain: ÷7, +16, ×4, +19, -12. What is the result after step 3?

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Answer: 92

StartNumber
49
Steps
  • {"op":"\u00f7","value":7}
  • {"op":"+","value":16}
  • {"op":"\u00d7","value":4}
  • {"op":"+","value":19}
  • {"op":"-","value":12}
Values
  • 49
  • 7
  • 23
  • 92
  • 111
  • 99
MissingStep
2