hard Set 4 Form Exercise

Start at 28. Follow the path: -20, ÷2, ×2, +8. What is the final answer?

Show answer

Answer: 16

StartValue
28
Steps
  • {"op":"-","value":20,"result":8}
  • {"op":"\u00f7","value":2,"result":4}
  • {"op":"\u00d7","value":2,"result":8}
  • {"op":"+","value":8,"result":16}
Forks
  • {"correct":8,"wrong":10,"options":[8,10],"correctIndex":0,"op":"-","value":20}
  • {"correct":4,"wrong":1,"options":[4,1],"correctIndex":0,"op":"\u00f7","value":2}
  • {"correct":8,"wrong":7,"options":[7,8],"correctIndex":1,"op":"\u00d7","value":2}
  • {"correct":16,"wrong":19,"options":[16,19],"correctIndex":0,"op":"+","value":8}

Start at 18. Follow the path: ×4, -15, +3, +1. What is the final answer?

Show answer

Answer: 61

StartValue
18
Steps
  • {"op":"\u00d7","value":4,"result":72}
  • {"op":"-","value":15,"result":57}
  • {"op":"+","value":3,"result":60}
  • {"op":"+","value":1,"result":61}
Forks
  • {"correct":72,"wrong":68,"options":[72,68],"correctIndex":0,"op":"\u00d7","value":4}
  • {"correct":57,"wrong":53,"options":[53,57],"correctIndex":1,"op":"-","value":15}
  • {"correct":60,"wrong":59,"options":[59,60],"correctIndex":1,"op":"+","value":3}
  • {"correct":61,"wrong":59,"options":[61,59],"correctIndex":0,"op":"+","value":1}

Start at 16. Follow the path: ÷8, ÷2, ×2, +14. What is the final answer?

Show answer

Answer: 16

StartValue
16
Steps
  • {"op":"\u00f7","value":8,"result":2}
  • {"op":"\u00f7","value":2,"result":1}
  • {"op":"\u00d7","value":2,"result":2}
  • {"op":"+","value":14,"result":16}
Forks
  • {"correct":2,"wrong":1,"options":[1,2],"correctIndex":1,"op":"\u00f7","value":8}
  • {"correct":1,"wrong":6,"options":[6,1],"correctIndex":1,"op":"\u00f7","value":2}
  • {"correct":2,"wrong":7,"options":[7,2],"correctIndex":1,"op":"\u00d7","value":2}
  • {"correct":16,"wrong":17,"options":[17,16],"correctIndex":1,"op":"+","value":14}

Start at 14. Follow the path: +13, -12, +20, ×2. What is the final answer?

Show answer

Answer: 70

StartValue
14
Steps
  • {"op":"+","value":13,"result":27}
  • {"op":"-","value":12,"result":15}
  • {"op":"+","value":20,"result":35}
  • {"op":"\u00d7","value":2,"result":70}
Forks
  • {"correct":27,"wrong":25,"options":[27,25],"correctIndex":0,"op":"+","value":13}
  • {"correct":15,"wrong":17,"options":[17,15],"correctIndex":1,"op":"-","value":12}
  • {"correct":35,"wrong":30,"options":[35,30],"correctIndex":0,"op":"+","value":20}
  • {"correct":70,"wrong":74,"options":[70,74],"correctIndex":0,"op":"\u00d7","value":2}

Start at 40. Follow the path: ÷5, -2, -2, ÷4. What is the final answer?

Show answer

Answer: 1

StartValue
40
Steps
  • {"op":"\u00f7","value":5,"result":8}
  • {"op":"-","value":2,"result":6}
  • {"op":"-","value":2,"result":4}
  • {"op":"\u00f7","value":4,"result":1}
Forks
  • {"correct":8,"wrong":10,"options":[8,10],"correctIndex":0,"op":"\u00f7","value":5}
  • {"correct":6,"wrong":2,"options":[2,6],"correctIndex":1,"op":"-","value":2}
  • {"correct":4,"wrong":9,"options":[4,9],"correctIndex":0,"op":"-","value":2}
  • {"correct":1,"wrong":4,"options":[1,4],"correctIndex":0,"op":"\u00f7","value":4}

Start at 22. Follow the path: +12, ×4, +14, -13. What is the final answer?

Show answer

Answer: 137

StartValue
22
Steps
  • {"op":"+","value":12,"result":34}
  • {"op":"\u00d7","value":4,"result":136}
  • {"op":"+","value":14,"result":150}
  • {"op":"-","value":13,"result":137}
Forks
  • {"correct":34,"wrong":32,"options":[32,34],"correctIndex":1,"op":"+","value":12}
  • {"correct":136,"wrong":134,"options":[136,134],"correctIndex":0,"op":"\u00d7","value":4}
  • {"correct":150,"wrong":145,"options":[150,145],"correctIndex":0,"op":"+","value":14}
  • {"correct":137,"wrong":134,"options":[134,137],"correctIndex":1,"op":"-","value":13}

Start at 39. Follow the path: -15, -12, -1, +20. What is the final answer?

Show answer

Answer: 31

StartValue
39
Steps
  • {"op":"-","value":15,"result":24}
  • {"op":"-","value":12,"result":12}
  • {"op":"-","value":1,"result":11}
  • {"op":"+","value":20,"result":31}
Forks
  • {"correct":24,"wrong":26,"options":[24,26],"correctIndex":0,"op":"-","value":15}
  • {"correct":12,"wrong":16,"options":[12,16],"correctIndex":0,"op":"-","value":12}
  • {"correct":11,"wrong":15,"options":[11,15],"correctIndex":0,"op":"-","value":1}
  • {"correct":31,"wrong":28,"options":[28,31],"correctIndex":1,"op":"+","value":20}

Start at 40. Follow the path: ÷4, +10, -11, ×4. What is the final answer?

Show answer

Answer: 36

StartValue
40
Steps
  • {"op":"\u00f7","value":4,"result":10}
  • {"op":"+","value":10,"result":20}
  • {"op":"-","value":11,"result":9}
  • {"op":"\u00d7","value":4,"result":36}
Forks
  • {"correct":10,"wrong":12,"options":[10,12],"correctIndex":0,"op":"\u00f7","value":4}
  • {"correct":20,"wrong":25,"options":[25,20],"correctIndex":1,"op":"+","value":10}
  • {"correct":9,"wrong":13,"options":[13,9],"correctIndex":1,"op":"-","value":11}
  • {"correct":36,"wrong":38,"options":[38,36],"correctIndex":1,"op":"\u00d7","value":4}