hard Set 10 Form Exercise

Start at 4. Follow the path: -1, +17, -2, +20. What is the final answer?

Show answer

Answer: 38

StartValue
4
Steps
  • {"op":"-","value":1,"result":3}
  • {"op":"+","value":17,"result":20}
  • {"op":"-","value":2,"result":18}
  • {"op":"+","value":20,"result":38}
Forks
  • {"correct":3,"wrong":1,"options":[1,3],"correctIndex":1,"op":"-","value":1}
  • {"correct":20,"wrong":25,"options":[25,20],"correctIndex":1,"op":"+","value":17}
  • {"correct":18,"wrong":17,"options":[18,17],"correctIndex":0,"op":"-","value":2}
  • {"correct":38,"wrong":33,"options":[38,33],"correctIndex":0,"op":"+","value":20}

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

Show answer

Answer: 33

StartValue
3
Steps
  • {"op":"\u00d7","value":2,"result":6}
  • {"op":"\u00d7","value":3,"result":18}
  • {"op":"\u00d7","value":2,"result":36}
  • {"op":"-","value":3,"result":33}
Forks
  • {"correct":6,"wrong":5,"options":[6,5],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":18,"wrong":13,"options":[18,13],"correctIndex":0,"op":"\u00d7","value":3}
  • {"correct":36,"wrong":34,"options":[36,34],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":33,"wrong":30,"options":[30,33],"correctIndex":1,"op":"-","value":3}

Start at 12. Follow the path: -9, ÷3, +8, ×3. What is the final answer?

Show answer

Answer: 27

StartValue
12
Steps
  • {"op":"-","value":9,"result":3}
  • {"op":"\u00f7","value":3,"result":1}
  • {"op":"+","value":8,"result":9}
  • {"op":"\u00d7","value":3,"result":27}
Forks
  • {"correct":3,"wrong":5,"options":[3,5],"correctIndex":0,"op":"-","value":9}
  • {"correct":1,"wrong":3,"options":[3,1],"correctIndex":1,"op":"\u00f7","value":3}
  • {"correct":9,"wrong":13,"options":[9,13],"correctIndex":0,"op":"+","value":8}
  • {"correct":27,"wrong":28,"options":[27,28],"correctIndex":0,"op":"\u00d7","value":3}

Start at 4. Follow the path: +15, +15, ×2, +1. What is the final answer?

Show answer

Answer: 69

StartValue
4
Steps
  • {"op":"+","value":15,"result":19}
  • {"op":"+","value":15,"result":34}
  • {"op":"\u00d7","value":2,"result":68}
  • {"op":"+","value":1,"result":69}
Forks
  • {"correct":19,"wrong":17,"options":[17,19],"correctIndex":1,"op":"+","value":15}
  • {"correct":34,"wrong":32,"options":[32,34],"correctIndex":1,"op":"+","value":15}
  • {"correct":68,"wrong":63,"options":[68,63],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":69,"wrong":74,"options":[69,74],"correctIndex":0,"op":"+","value":1}

Start at 34. Follow the path: -7, ×3, +18, ÷9. What is the final answer?

Show answer

Answer: 11

StartValue
34
Steps
  • {"op":"-","value":7,"result":27}
  • {"op":"\u00d7","value":3,"result":81}
  • {"op":"+","value":18,"result":99}
  • {"op":"\u00f7","value":9,"result":11}
Forks
  • {"correct":27,"wrong":30,"options":[30,27],"correctIndex":1,"op":"-","value":7}
  • {"correct":81,"wrong":79,"options":[81,79],"correctIndex":0,"op":"\u00d7","value":3}
  • {"correct":99,"wrong":94,"options":[99,94],"correctIndex":0,"op":"+","value":18}
  • {"correct":11,"wrong":13,"options":[13,11],"correctIndex":1,"op":"\u00f7","value":9}

Start at 6. Follow the path: +15, +10, +6, -19. What is the final answer?

Show answer

Answer: 18

StartValue
6
Steps
  • {"op":"+","value":15,"result":21}
  • {"op":"+","value":10,"result":31}
  • {"op":"+","value":6,"result":37}
  • {"op":"-","value":19,"result":18}
Forks
  • {"correct":21,"wrong":23,"options":[23,21],"correctIndex":1,"op":"+","value":15}
  • {"correct":31,"wrong":29,"options":[31,29],"correctIndex":0,"op":"+","value":10}
  • {"correct":37,"wrong":39,"options":[37,39],"correctIndex":0,"op":"+","value":6}
  • {"correct":18,"wrong":23,"options":[18,23],"correctIndex":0,"op":"-","value":19}

Start at 24. Follow the path: +16, +15, -1, ×3. What is the final answer?

Show answer

Answer: 162

StartValue
24
Steps
  • {"op":"+","value":16,"result":40}
  • {"op":"+","value":15,"result":55}
  • {"op":"-","value":1,"result":54}
  • {"op":"\u00d7","value":3,"result":162}
Forks
  • {"correct":40,"wrong":42,"options":[40,42],"correctIndex":0,"op":"+","value":16}
  • {"correct":55,"wrong":57,"options":[55,57],"correctIndex":0,"op":"+","value":15}
  • {"correct":54,"wrong":56,"options":[56,54],"correctIndex":1,"op":"-","value":1}
  • {"correct":162,"wrong":158,"options":[162,158],"correctIndex":0,"op":"\u00d7","value":3}

Start at 19. Follow the path: ×2, ×4, +6, -7. What is the final answer?

Show answer

Answer: 151

StartValue
19
Steps
  • {"op":"\u00d7","value":2,"result":38}
  • {"op":"\u00d7","value":4,"result":152}
  • {"op":"+","value":6,"result":158}
  • {"op":"-","value":7,"result":151}
Forks
  • {"correct":38,"wrong":40,"options":[40,38],"correctIndex":1,"op":"\u00d7","value":2}
  • {"correct":152,"wrong":150,"options":[150,152],"correctIndex":1,"op":"\u00d7","value":4}
  • {"correct":158,"wrong":153,"options":[158,153],"correctIndex":0,"op":"+","value":6}
  • {"correct":151,"wrong":150,"options":[150,151],"correctIndex":1,"op":"-","value":7}