easy Set 72 Form Exercise

Number Chain: 4 → +3 → -3 → -3 → ?

Show answer

Answer: 1

SubType
number-chain
Start
4
Steps
  • {"op":"+","operand":3}
  • {"op":"-","operand":3}
  • {"op":"-","operand":3}
Difficulty
easy

Number Chain: 4 → -2 → +5 → +4 → ?

Show answer

Answer: 11

SubType
number-chain
Start
4
Steps
  • {"op":"-","operand":2}
  • {"op":"+","operand":5}
  • {"op":"+","operand":4}
Difficulty
easy

Number Chain: 9 → +1 → -7 → +6 → ?

Show answer

Answer: 9

SubType
number-chain
Start
9
Steps
  • {"op":"+","operand":1}
  • {"op":"-","operand":7}
  • {"op":"+","operand":6}
Difficulty
easy

Number Chain: 9 → +10 → +6 → -11 → ?

Show answer

Answer: 14

SubType
number-chain
Start
9
Steps
  • {"op":"+","operand":10}
  • {"op":"+","operand":6}
  • {"op":"-","operand":11}
Difficulty
easy

Number Chain: 4 → -1 → -2 → -1 → ?

SubType
number-chain
Start
4
Steps
  • {"op":"-","operand":1}
  • {"op":"-","operand":2}
  • {"op":"-","operand":1}
Difficulty
easy

Number Chain: 3 → +6 → +10 → -16 → ?

Show answer

Answer: 3

SubType
number-chain
Start
3
Steps
  • {"op":"+","operand":6}
  • {"op":"+","operand":10}
  • {"op":"-","operand":16}
Difficulty
easy

Number Chain: 4 → -2 → +4 → +7 → ?

Show answer

Answer: 13

SubType
number-chain
Start
4
Steps
  • {"op":"-","operand":2}
  • {"op":"+","operand":4}
  • {"op":"+","operand":7}
Difficulty
easy

Number Chain: 2 → -1 → +2 → +1 → ?

Show answer

Answer: 4

SubType
number-chain
Start
2
Steps
  • {"op":"-","operand":1}
  • {"op":"+","operand":2}
  • {"op":"+","operand":1}
Difficulty
easy