hard Set 9 Form Exercise

Start at 38. Follow the path: ÷2, ×4, ÷2, ×4. What is the final answer?

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Answer: 152

StartValue
38
Steps
  • {"op":"\u00f7","value":2,"result":19}
  • {"op":"\u00d7","value":4,"result":76}
  • {"op":"\u00f7","value":2,"result":38}
  • {"op":"\u00d7","value":4,"result":152}
Forks
  • {"correct":19,"wrong":24,"options":[24,19],"correctIndex":1,"op":"\u00f7","value":2}
  • {"correct":76,"wrong":80,"options":[80,76],"correctIndex":1,"op":"\u00d7","value":4}
  • {"correct":38,"wrong":34,"options":[38,34],"correctIndex":0,"op":"\u00f7","value":2}
  • {"correct":152,"wrong":147,"options":[147,152],"correctIndex":1,"op":"\u00d7","value":4}

Start at 5. Follow the path: +12, +10, ×3, +15. What is the final answer?

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Answer: 96

StartValue
5
Steps
  • {"op":"+","value":12,"result":17}
  • {"op":"+","value":10,"result":27}
  • {"op":"\u00d7","value":3,"result":81}
  • {"op":"+","value":15,"result":96}
Forks
  • {"correct":17,"wrong":21,"options":[17,21],"correctIndex":0,"op":"+","value":12}
  • {"correct":27,"wrong":31,"options":[31,27],"correctIndex":1,"op":"+","value":10}
  • {"correct":81,"wrong":84,"options":[84,81],"correctIndex":1,"op":"\u00d7","value":3}
  • {"correct":96,"wrong":101,"options":[96,101],"correctIndex":0,"op":"+","value":15}

Start at 21. Follow the path: -9, -3, ×3, -1. What is the final answer?

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Answer: 26

StartValue
21
Steps
  • {"op":"-","value":9,"result":12}
  • {"op":"-","value":3,"result":9}
  • {"op":"\u00d7","value":3,"result":27}
  • {"op":"-","value":1,"result":26}
Forks
  • {"correct":12,"wrong":13,"options":[12,13],"correctIndex":0,"op":"-","value":9}
  • {"correct":9,"wrong":8,"options":[8,9],"correctIndex":1,"op":"-","value":3}
  • {"correct":27,"wrong":30,"options":[30,27],"correctIndex":1,"op":"\u00d7","value":3}
  • {"correct":26,"wrong":23,"options":[23,26],"correctIndex":1,"op":"-","value":1}

Start at 8. Follow the path: ×3, +16, -18, -7. What is the final answer?

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Answer: 15

StartValue
8
Steps
  • {"op":"\u00d7","value":3,"result":24}
  • {"op":"+","value":16,"result":40}
  • {"op":"-","value":18,"result":22}
  • {"op":"-","value":7,"result":15}
Forks
  • {"correct":24,"wrong":28,"options":[24,28],"correctIndex":0,"op":"\u00d7","value":3}
  • {"correct":40,"wrong":36,"options":[36,40],"correctIndex":1,"op":"+","value":16}
  • {"correct":22,"wrong":24,"options":[24,22],"correctIndex":1,"op":"-","value":18}
  • {"correct":15,"wrong":14,"options":[15,14],"correctIndex":0,"op":"-","value":7}

Start at 16. Follow the path: ×2, ×2, ÷4, -13. What is the final answer?

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Answer: 3

StartValue
16
Steps
  • {"op":"\u00d7","value":2,"result":32}
  • {"op":"\u00d7","value":2,"result":64}
  • {"op":"\u00f7","value":4,"result":16}
  • {"op":"-","value":13,"result":3}
Forks
  • {"correct":32,"wrong":37,"options":[32,37],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":64,"wrong":60,"options":[64,60],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":16,"wrong":17,"options":[16,17],"correctIndex":0,"op":"\u00f7","value":4}
  • {"correct":3,"wrong":4,"options":[3,4],"correctIndex":0,"op":"-","value":13}

Start at 21. Follow the path: ÷7, ×2, +12, +10. What is the final answer?

Show answer

Answer: 28

StartValue
21
Steps
  • {"op":"\u00f7","value":7,"result":3}
  • {"op":"\u00d7","value":2,"result":6}
  • {"op":"+","value":12,"result":18}
  • {"op":"+","value":10,"result":28}
Forks
  • {"correct":3,"wrong":2,"options":[3,2],"correctIndex":0,"op":"\u00f7","value":7}
  • {"correct":6,"wrong":5,"options":[5,6],"correctIndex":1,"op":"\u00d7","value":2}
  • {"correct":18,"wrong":14,"options":[18,14],"correctIndex":0,"op":"+","value":12}
  • {"correct":28,"wrong":26,"options":[26,28],"correctIndex":1,"op":"+","value":10}

Start at 3. Follow the path: +13, +6, -14, +6. What is the final answer?

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Answer: 14

StartValue
3
Steps
  • {"op":"+","value":13,"result":16}
  • {"op":"+","value":6,"result":22}
  • {"op":"-","value":14,"result":8}
  • {"op":"+","value":6,"result":14}
Forks
  • {"correct":16,"wrong":17,"options":[16,17],"correctIndex":0,"op":"+","value":13}
  • {"correct":22,"wrong":20,"options":[22,20],"correctIndex":0,"op":"+","value":6}
  • {"correct":8,"wrong":5,"options":[8,5],"correctIndex":0,"op":"-","value":14}
  • {"correct":14,"wrong":16,"options":[16,14],"correctIndex":1,"op":"+","value":6}

Start at 19. Follow the path: ×2, ÷2, -8, +13. What is the final answer?

Show answer

Answer: 24

StartValue
19
Steps
  • {"op":"\u00d7","value":2,"result":38}
  • {"op":"\u00f7","value":2,"result":19}
  • {"op":"-","value":8,"result":11}
  • {"op":"+","value":13,"result":24}
Forks
  • {"correct":38,"wrong":37,"options":[38,37],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":19,"wrong":20,"options":[19,20],"correctIndex":0,"op":"\u00f7","value":2}
  • {"correct":11,"wrong":13,"options":[11,13],"correctIndex":0,"op":"-","value":8}
  • {"correct":24,"wrong":21,"options":[24,21],"correctIndex":0,"op":"+","value":13}