Workbook Detail

Number Chain Mixed Hard — Set 69

Arithmetic B

hard Set 69 Form Exercise

Number Chain: 5 → -1 → +7 → x2 → -14 → x5 → ?

Show answer

Answer: 40

SubType: number-chain
Start: 5
Steps: {"op":"-","operand":1}
{"op":"+","operand":7}
{"op":"x","operand":2}
{"op":"-","operand":14}
{"op":"x","operand":5}
Difficulty: hard

Number Chain: 8 → x2 → x3 → x5 → x5 → -348 → ?

Show answer

Answer: 852

SubType: number-chain
Start: 8
Steps: {"op":"x","operand":2}
{"op":"x","operand":3}
{"op":"x","operand":5}
{"op":"x","operand":5}
{"op":"-","operand":348}
Difficulty: hard

Number Chain: 12 → x2 → +6 → -9 → -6 → -9 → ?

Show answer

Answer: 6

SubType: number-chain
Start: 12
Steps: {"op":"x","operand":2}
{"op":"+","operand":6}
{"op":"-","operand":9}
{"op":"-","operand":6}
{"op":"-","operand":9}
Difficulty: hard

Number Chain: 6 → +1 → +9 → x4 → -6 → +8 → ?

Show answer

Answer: 66

SubType: number-chain
Start: 6
Steps: {"op":"+","operand":1}
{"op":"+","operand":9}
{"op":"x","operand":4}
{"op":"-","operand":6}
{"op":"+","operand":8}
Difficulty: hard

Number Chain: 2 → x5 → -8 → +11 → -8 → -2 → ?

Show answer

Answer: 3

SubType: number-chain
Start: 2
Steps: {"op":"x","operand":5}
{"op":"-","operand":8}
{"op":"+","operand":11}
{"op":"-","operand":8}
{"op":"-","operand":2}
Difficulty: hard

Number Chain: 5 → -1 → -3 → -1 → -1 → +1 → ?

SubType: number-chain
Start: 5
Steps: {"op":"-","operand":1}
{"op":"-","operand":3}
{"op":"-","operand":1}
{"op":"-","operand":1}
{"op":"+","operand":1}
Difficulty: hard

Number Chain: 12 → x5 → +7 → +11 → +9 → +6 → ?

Show answer

Answer: 93

SubType: number-chain
Start: 12
Steps: {"op":"x","operand":5}
{"op":"+","operand":7}
{"op":"+","operand":11}
{"op":"+","operand":9}
{"op":"+","operand":6}
Difficulty: hard

Number Chain: 6 → +3 → +6 → +9 → x5 → +9 → ?

Show answer

Answer: 129

SubType: number-chain
Start: 6
Steps: {"op":"+","operand":3}
{"op":"+","operand":6}
{"op":"+","operand":9}
{"op":"x","operand":5}
{"op":"+","operand":9}
Difficulty: hard

← More Arithmetic