easy Set 3 Form Exercise

Start at 21. Follow the path: -1, +8. What is the final answer?

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Answer: 28

StartValue
21
Steps
  • {"op":"-","value":1,"result":20}
  • {"op":"+","value":8,"result":28}
Forks
  • {"correct":20,"wrong":16,"options":[20,16],"correctIndex":0,"op":"-","value":1}
  • {"correct":28,"wrong":30,"options":[28,30],"correctIndex":0,"op":"+","value":8}

Start at 19. Follow the path: -10, +10. What is the final answer?

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Answer: 19

StartValue
19
Steps
  • {"op":"-","value":10,"result":9}
  • {"op":"+","value":10,"result":19}
Forks
  • {"correct":9,"wrong":10,"options":[10,9],"correctIndex":1,"op":"-","value":10}
  • {"correct":19,"wrong":21,"options":[19,21],"correctIndex":0,"op":"+","value":10}

Start at 18. Follow the path: +1, -7. What is the final answer?

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Answer: 12

StartValue
18
Steps
  • {"op":"+","value":1,"result":19}
  • {"op":"-","value":7,"result":12}
Forks
  • {"correct":19,"wrong":23,"options":[19,23],"correctIndex":0,"op":"+","value":1}
  • {"correct":12,"wrong":13,"options":[13,12],"correctIndex":1,"op":"-","value":7}

Start at 17. Follow the path: -4, +3. What is the final answer?

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Answer: 16

StartValue
17
Steps
  • {"op":"-","value":4,"result":13}
  • {"op":"+","value":3,"result":16}
Forks
  • {"correct":13,"wrong":9,"options":[13,9],"correctIndex":0,"op":"-","value":4}
  • {"correct":16,"wrong":15,"options":[15,16],"correctIndex":1,"op":"+","value":3}

Start at 13. Follow the path: -4, -6. What is the final answer?

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Answer: 3

StartValue
13
Steps
  • {"op":"-","value":4,"result":9}
  • {"op":"-","value":6,"result":3}
Forks
  • {"correct":9,"wrong":14,"options":[14,9],"correctIndex":1,"op":"-","value":4}
  • {"correct":3,"wrong":2,"options":[2,3],"correctIndex":1,"op":"-","value":6}

Start at 5. Follow the path: +1, -2. What is the final answer?

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Answer: 4

StartValue
5
Steps
  • {"op":"+","value":1,"result":6}
  • {"op":"-","value":2,"result":4}
Forks
  • {"correct":6,"wrong":9,"options":[9,6],"correctIndex":1,"op":"+","value":1}
  • {"correct":4,"wrong":2,"options":[2,4],"correctIndex":1,"op":"-","value":2}

Start at 9. Follow the path: -4, -1. What is the final answer?

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Answer: 4

StartValue
9
Steps
  • {"op":"-","value":4,"result":5}
  • {"op":"-","value":1,"result":4}
Forks
  • {"correct":5,"wrong":1,"options":[1,5],"correctIndex":1,"op":"-","value":4}
  • {"correct":4,"wrong":7,"options":[7,4],"correctIndex":1,"op":"-","value":1}

Start at 12. Follow the path: +8, -4. What is the final answer?

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Answer: 16

StartValue
12
Steps
  • {"op":"+","value":8,"result":20}
  • {"op":"-","value":4,"result":16}
Forks
  • {"correct":20,"wrong":17,"options":[20,17],"correctIndex":0,"op":"+","value":8}
  • {"correct":16,"wrong":18,"options":[16,18],"correctIndex":0,"op":"-","value":4}