hard Set 4 Form Exercise

Start at 49. Follow the chain: ÷7, ×3, +17, -18, +13. What is the result after step 5?

Show answer

Answer: 33

StartNumber
49
Steps
  • {"op":"\u00f7","value":7}
  • {"op":"\u00d7","value":3}
  • {"op":"+","value":17}
  • {"op":"-","value":18}
  • {"op":"+","value":13}
Values
  • 49
  • 7
  • 21
  • 38
  • 20
  • 33
MissingStep
4

Start at 9. Follow the chain: ×5, -16, -4, ÷5, -2. What is the result after step 4?

Show answer

Answer: 5

StartNumber
9
Steps
  • {"op":"\u00d7","value":5}
  • {"op":"-","value":16}
  • {"op":"-","value":4}
  • {"op":"\u00f7","value":5}
  • {"op":"-","value":2}
Values
  • 9
  • 45
  • 29
  • 25
  • 5
  • 3
MissingStep
3

Start at 49. Follow the chain: ×2, +11, -17, -15, ÷7. What is the result after step 5?

Show answer

Answer: 11

StartNumber
49
Steps
  • {"op":"\u00d7","value":2}
  • {"op":"+","value":11}
  • {"op":"-","value":17}
  • {"op":"-","value":15}
  • {"op":"\u00f7","value":7}
Values
  • 49
  • 98
  • 109
  • 92
  • 77
  • 11
MissingStep
4

Start at 30. Follow the chain: ÷5, ×5, -10, ÷5, -3. What is the result after step 2?

Show answer

Answer: 30

StartNumber
30
Steps
  • {"op":"\u00f7","value":5}
  • {"op":"\u00d7","value":5}
  • {"op":"-","value":10}
  • {"op":"\u00f7","value":5}
  • {"op":"-","value":3}
Values
  • 30
  • 6
  • 30
  • 20
  • 4
  • 1
MissingStep
1

Start at 34. Follow the chain: -1, ×5, -10, ÷5, +14. What is the result after step 1?

Show answer

Answer: 33

StartNumber
34
Steps
  • {"op":"-","value":1}
  • {"op":"\u00d7","value":5}
  • {"op":"-","value":10}
  • {"op":"\u00f7","value":5}
  • {"op":"+","value":14}
Values
  • 34
  • 33
  • 165
  • 155
  • 31
  • 45
MissingStep
0

Start at 35. Follow the chain: +18, -3, -3, +16, ÷3. What is the result after step 3?

Show answer

Answer: 47

StartNumber
35
Steps
  • {"op":"+","value":18}
  • {"op":"-","value":3}
  • {"op":"-","value":3}
  • {"op":"+","value":16}
  • {"op":"\u00f7","value":3}
Values
  • 35
  • 53
  • 50
  • 47
  • 63
  • 21
MissingStep
2

Start at 45. Follow the chain: ×3, ÷3, ÷5, ÷3, ÷3. What is the result after step 5?

Show answer

Answer: 1

StartNumber
45
Steps
  • {"op":"\u00d7","value":3}
  • {"op":"\u00f7","value":3}
  • {"op":"\u00f7","value":5}
  • {"op":"\u00f7","value":3}
  • {"op":"\u00f7","value":3}
Values
  • 45
  • 135
  • 45
  • 9
  • 3
  • 1
MissingStep
4

Start at 29. Follow the chain: -11, -3, -3, ÷2, -4. What is the result after step 5?

Show answer

Answer: 2

StartNumber
29
Steps
  • {"op":"-","value":11}
  • {"op":"-","value":3}
  • {"op":"-","value":3}
  • {"op":"\u00f7","value":2}
  • {"op":"-","value":4}
Values
  • 29
  • 18
  • 15
  • 12
  • 6
  • 2
MissingStep
4