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Number Chain Patterns Hard — Set 34

Arithmetic B

hard Set 34 Form Exercise

Number Chain: 10 → -3 → x3 → x3 → -3 → -21 → ?

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Answer: 39

SubType: number-chain
Start: 10
Steps: {"op":"-","operand":3}
{"op":"x","operand":3}
{"op":"x","operand":3}
{"op":"-","operand":3}
{"op":"-","operand":21}
Difficulty: hard

Number Chain: 8 → -1 → -5 → x5 → x4 → +4 → ?

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Answer: 44

SubType: number-chain
Start: 8
Steps: {"op":"-","operand":1}
{"op":"-","operand":5}
{"op":"x","operand":5}
{"op":"x","operand":4}
{"op":"+","operand":4}
Difficulty: hard

Number Chain: 1 → -1 → x5 → -1 → x2 → x3 → ?

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Answer: -6

SubType: number-chain
Start: 1
Steps: {"op":"-","operand":1}
{"op":"x","operand":5}
{"op":"-","operand":1}
{"op":"x","operand":2}
{"op":"x","operand":3}
Difficulty: hard

Number Chain: 8 → x5 → +5 → +1 → -35 → +2 → ?

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Answer: 13

SubType: number-chain
Start: 8
Steps: {"op":"x","operand":5}
{"op":"+","operand":5}
{"op":"+","operand":1}
{"op":"-","operand":35}
{"op":"+","operand":2}
Difficulty: hard

Number Chain: 6 → -5 → +12 → +2 → x4 → +5 → ?

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Answer: 65

SubType: number-chain
Start: 6
Steps: {"op":"-","operand":5}
{"op":"+","operand":12}
{"op":"+","operand":2}
{"op":"x","operand":4}
{"op":"+","operand":5}
Difficulty: hard

Number Chain: 5 → x5 → -7 → x2 → -24 → +9 → ?

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Answer: 21

SubType: number-chain
Start: 5
Steps: {"op":"x","operand":5}
{"op":"-","operand":7}
{"op":"x","operand":2}
{"op":"-","operand":24}
{"op":"+","operand":9}
Difficulty: hard

Number Chain: 5 → -3 → -1 → -1 → x2 → x2 → ?

SubType: number-chain
Start: 5
Steps: {"op":"-","operand":3}
{"op":"-","operand":1}
{"op":"-","operand":1}
{"op":"x","operand":2}
{"op":"x","operand":2}
Difficulty: hard

Number Chain: 1 → +2 → +8 → +7 → +9 → +8 → ?

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Answer: 35

SubType: number-chain
Start: 1
Steps: {"op":"+","operand":2}
{"op":"+","operand":8}
{"op":"+","operand":7}
{"op":"+","operand":9}
{"op":"+","operand":8}
Difficulty: hard

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