easy Set 1 Form Exercise

Start at 15. Follow the chain: -6, -8, +10. What is the result after step 3?

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Answer: 11

StartNumber
15
Steps
  • {"op":"-","value":6}
  • {"op":"-","value":8}
  • {"op":"+","value":10}
Values
  • 15
  • 9
  • 1
  • 11
MissingStep
2

Start at 20. Follow the chain: +2, +9, +6. What is the result after step 3?

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Answer: 37

StartNumber
20
Steps
  • {"op":"+","value":2}
  • {"op":"+","value":9}
  • {"op":"+","value":6}
Values
  • 20
  • 22
  • 31
  • 37
MissingStep
2

Start at 9. Follow the chain: +9, +8, -9. What is the result after step 1?

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Answer: 18

StartNumber
9
Steps
  • {"op":"+","value":9}
  • {"op":"+","value":8}
  • {"op":"-","value":9}
Values
  • 9
  • 18
  • 26
  • 17
MissingStep
0
Visual
Type: inline-svg
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AltText: magic wand
Placement: before-question
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Start at 4. Follow the chain: -1, +2, +6. What is the result after step 2?

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Answer: 5

StartNumber
4
Steps
  • {"op":"-","value":1}
  • {"op":"+","value":2}
  • {"op":"+","value":6}
Values
  • 4
  • 3
  • 5
  • 11
MissingStep
1
Visual
Type: inline-svg
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AltText: kite
Placement: before-question
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Start at 15. Follow the chain: -7, +7, +4. What is the result after step 2?

Show answer

Answer: 15

StartNumber
15
Steps
  • {"op":"-","value":7}
  • {"op":"+","value":7}
  • {"op":"+","value":4}
Values
  • 15
  • 8
  • 15
  • 19
MissingStep
1

Start at 13. Follow the chain: -1, +8, -3. What is the result after step 1?

Show answer

Answer: 12

StartNumber
13
Steps
  • {"op":"-","value":1}
  • {"op":"+","value":8}
  • {"op":"-","value":3}
Values
  • 13
  • 12
  • 20
  • 17
MissingStep
0

Start at 2. Follow the chain: -1, +8, +5. What is the result after step 3?

Show answer

Answer: 14

StartNumber
2
Steps
  • {"op":"-","value":1}
  • {"op":"+","value":8}
  • {"op":"+","value":5}
Values
  • 2
  • 1
  • 9
  • 14
MissingStep
2
Visual
Type: inline-svg
Svg: <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 44 44" width="44" height="44"><g transform="translate(4,4) scale(1)"><path fill="#FCAB40" d="M27.999 36c-.448 0-.855-.303-.969-.758-.036-.136-.926-3.436-4.273-4.272C18.054 29.794 18 23.277 18 23c0-.552.447-.998.998-.999.554.034 1 .445 1.002.997 0 .053.054 5.234 3.242 6.032 4.53 1.132 5.682 5.54 5.727 5.728.135.535-.191 1.078-.727 1.212-.081.02-.163.03-.243.03z"/><path fill="#BB1A34" d="M18 25c-1.1 0-1.598-.805-1.105-1.789l1.211-2.422c.492-.984 1.297-.984 1.789 0l1.211 2.422C21.598 24.195 21.1 25 20 25h-2z"/><path fill="#BB1A34" d="M28 9c0 6-7 12-9 12s-9-6-9-12c0-5.799 4.582-9 9-9s9 3.201 9 9z"/><path fill="#FCAB40" d="M20 22h-2c-.552 0-1-.447-1-1s.448-1 1-1h2c.553 0 1 .447 1 1s-.447 1-1 1z"/></g></svg>
AltText: balloon
Placement: before-question
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Start at 4. Follow the chain: -1, +6, -3. What is the result after step 3?

Show answer

Answer: 6

StartNumber
4
Steps
  • {"op":"-","value":1}
  • {"op":"+","value":6}
  • {"op":"-","value":3}
Values
  • 4
  • 3
  • 9
  • 6
MissingStep
2
Visual
Type: inline-svg
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