medium Set 10 Form Exercise

Start at 15. Follow the path: -2, -9, +2. What is the final answer?

Show answer

Answer: 6

StartValue
15
Steps
  • {"op":"-","value":2,"result":13}
  • {"op":"-","value":9,"result":4}
  • {"op":"+","value":2,"result":6}
Forks
  • {"correct":13,"wrong":14,"options":[14,13],"correctIndex":1,"op":"-","value":2}
  • {"correct":4,"wrong":6,"options":[6,4],"correctIndex":1,"op":"-","value":9}
  • {"correct":6,"wrong":10,"options":[6,10],"correctIndex":0,"op":"+","value":2}

Start at 14. Follow the path: -1, ×4, -4. What is the final answer?

Show answer

Answer: 48

StartValue
14
Steps
  • {"op":"-","value":1,"result":13}
  • {"op":"\u00d7","value":4,"result":52}
  • {"op":"-","value":4,"result":48}
Forks
  • {"correct":13,"wrong":18,"options":[13,18],"correctIndex":0,"op":"-","value":1}
  • {"correct":52,"wrong":53,"options":[52,53],"correctIndex":0,"op":"\u00d7","value":4}
  • {"correct":48,"wrong":45,"options":[45,48],"correctIndex":1,"op":"-","value":4}

Start at 23. Follow the path: ×2, -5, ×3. What is the final answer?

Show answer

Answer: 123

StartValue
23
Steps
  • {"op":"\u00d7","value":2,"result":46}
  • {"op":"-","value":5,"result":41}
  • {"op":"\u00d7","value":3,"result":123}
Forks
  • {"correct":46,"wrong":50,"options":[46,50],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":41,"wrong":37,"options":[41,37],"correctIndex":0,"op":"-","value":5}
  • {"correct":123,"wrong":122,"options":[122,123],"correctIndex":1,"op":"\u00d7","value":3}

Start at 26. Follow the path: -6, ×4, ×2. What is the final answer?

Show answer

Answer: 160

StartValue
26
Steps
  • {"op":"-","value":6,"result":20}
  • {"op":"\u00d7","value":4,"result":80}
  • {"op":"\u00d7","value":2,"result":160}
Forks
  • {"correct":20,"wrong":17,"options":[20,17],"correctIndex":0,"op":"-","value":6}
  • {"correct":80,"wrong":79,"options":[79,80],"correctIndex":1,"op":"\u00d7","value":4}
  • {"correct":160,"wrong":159,"options":[160,159],"correctIndex":0,"op":"\u00d7","value":2}

Start at 27. Follow the path: ×2, ×3, -9. What is the final answer?

Show answer

Answer: 153

StartValue
27
Steps
  • {"op":"\u00d7","value":2,"result":54}
  • {"op":"\u00d7","value":3,"result":162}
  • {"op":"-","value":9,"result":153}
Forks
  • {"correct":54,"wrong":57,"options":[57,54],"correctIndex":1,"op":"\u00d7","value":2}
  • {"correct":162,"wrong":158,"options":[162,158],"correctIndex":0,"op":"\u00d7","value":3}
  • {"correct":153,"wrong":150,"options":[153,150],"correctIndex":0,"op":"-","value":9}

Start at 28. Follow the path: ×2, ×3, +10. What is the final answer?

Show answer

Answer: 178

StartValue
28
Steps
  • {"op":"\u00d7","value":2,"result":56}
  • {"op":"\u00d7","value":3,"result":168}
  • {"op":"+","value":10,"result":178}
Forks
  • {"correct":56,"wrong":51,"options":[56,51],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":168,"wrong":163,"options":[168,163],"correctIndex":0,"op":"\u00d7","value":3}
  • {"correct":178,"wrong":177,"options":[178,177],"correctIndex":0,"op":"+","value":10}

Start at 9. Follow the path: ×3, +6, -10. What is the final answer?

Show answer

Answer: 23

StartValue
9
Steps
  • {"op":"\u00d7","value":3,"result":27}
  • {"op":"+","value":6,"result":33}
  • {"op":"-","value":10,"result":23}
Forks
  • {"correct":27,"wrong":32,"options":[32,27],"correctIndex":1,"op":"\u00d7","value":3}
  • {"correct":33,"wrong":32,"options":[32,33],"correctIndex":1,"op":"+","value":6}
  • {"correct":23,"wrong":22,"options":[23,22],"correctIndex":0,"op":"-","value":10}

Start at 14. Follow the path: ×4, -11, +7. What is the final answer?

Show answer

Answer: 52

StartValue
14
Steps
  • {"op":"\u00d7","value":4,"result":56}
  • {"op":"-","value":11,"result":45}
  • {"op":"+","value":7,"result":52}
Forks
  • {"correct":56,"wrong":61,"options":[61,56],"correctIndex":1,"op":"\u00d7","value":4}
  • {"correct":45,"wrong":49,"options":[49,45],"correctIndex":1,"op":"-","value":11}
  • {"correct":52,"wrong":50,"options":[50,52],"correctIndex":1,"op":"+","value":7}