easy Set 4 Form Exercise

Start at 3. Follow the path: -1, +9. What is the final answer?

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Answer: 11

StartValue
3
Steps
  • {"op":"-","value":1,"result":2}
  • {"op":"+","value":9,"result":11}
Forks
  • {"correct":2,"wrong":5,"options":[5,2],"correctIndex":1,"op":"-","value":1}
  • {"correct":11,"wrong":7,"options":[11,7],"correctIndex":0,"op":"+","value":9}

Start at 19. Follow the path: +4, +8. What is the final answer?

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Answer: 31

StartValue
19
Steps
  • {"op":"+","value":4,"result":23}
  • {"op":"+","value":8,"result":31}
Forks
  • {"correct":23,"wrong":26,"options":[26,23],"correctIndex":1,"op":"+","value":4}
  • {"correct":31,"wrong":34,"options":[34,31],"correctIndex":1,"op":"+","value":8}

Start at 20. Follow the path: -1, -10. What is the final answer?

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Answer: 9

StartValue
20
Steps
  • {"op":"-","value":1,"result":19}
  • {"op":"-","value":10,"result":9}
Forks
  • {"correct":19,"wrong":23,"options":[23,19],"correctIndex":1,"op":"-","value":1}
  • {"correct":9,"wrong":6,"options":[9,6],"correctIndex":0,"op":"-","value":10}

Start at 6. Follow the path: -1, +2. What is the final answer?

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Answer: 7

StartValue
6
Steps
  • {"op":"-","value":1,"result":5}
  • {"op":"+","value":2,"result":7}
Forks
  • {"correct":5,"wrong":10,"options":[10,5],"correctIndex":1,"op":"-","value":1}
  • {"correct":7,"wrong":10,"options":[7,10],"correctIndex":0,"op":"+","value":2}

Start at 14. Follow the path: +9, -10. What is the final answer?

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Answer: 13

StartValue
14
Steps
  • {"op":"+","value":9,"result":23}
  • {"op":"-","value":10,"result":13}
Forks
  • {"correct":23,"wrong":22,"options":[22,23],"correctIndex":1,"op":"+","value":9}
  • {"correct":13,"wrong":15,"options":[15,13],"correctIndex":1,"op":"-","value":10}

Start at 15. Follow the path: +8, -10. What is the final answer?

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Answer: 13

StartValue
15
Steps
  • {"op":"+","value":8,"result":23}
  • {"op":"-","value":10,"result":13}
Forks
  • {"correct":23,"wrong":19,"options":[19,23],"correctIndex":1,"op":"+","value":8}
  • {"correct":13,"wrong":10,"options":[13,10],"correctIndex":0,"op":"-","value":10}

Start at 18. Follow the path: +1, -3. What is the final answer?

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Answer: 16

StartValue
18
Steps
  • {"op":"+","value":1,"result":19}
  • {"op":"-","value":3,"result":16}
Forks
  • {"correct":19,"wrong":16,"options":[16,19],"correctIndex":1,"op":"+","value":1}
  • {"correct":16,"wrong":13,"options":[16,13],"correctIndex":0,"op":"-","value":3}

Start at 11. Follow the path: -3, -3. What is the final answer?

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Answer: 5

StartValue
11
Steps
  • {"op":"-","value":3,"result":8}
  • {"op":"-","value":3,"result":5}
Forks
  • {"correct":8,"wrong":7,"options":[7,8],"correctIndex":1,"op":"-","value":3}
  • {"correct":5,"wrong":4,"options":[4,5],"correctIndex":1,"op":"-","value":3}