Workbook Detail

Number Chain Mixed Hard — Set 87

Arithmetic B

hard Set 87 Form Exercise

Number Chain: 7 → +3 → x3 → +4 → -4 → -15 → ?

Show answer

Answer: 15

SubType: number-chain
Start: 7
Steps: {"op":"+","operand":3}
{"op":"x","operand":3}
{"op":"+","operand":4}
{"op":"-","operand":4}
{"op":"-","operand":15}
Difficulty: hard

Number Chain: 9 → -5 → -2 → -1 → +6 → -4 → ?

Show answer

Answer: 3

SubType: number-chain
Start: 9
Steps: {"op":"-","operand":5}
{"op":"-","operand":2}
{"op":"-","operand":1}
{"op":"+","operand":6}
{"op":"-","operand":4}
Difficulty: hard

Number Chain: 9 → -6 → +8 → x2 → +11 → -32 → ?

Show answer

Answer: 1

SubType: number-chain
Start: 9
Steps: {"op":"-","operand":6}
{"op":"+","operand":8}
{"op":"x","operand":2}
{"op":"+","operand":11}
{"op":"-","operand":32}
Difficulty: hard

Number Chain: 2 → x4 → -1 → -4 → x4 → +6 → ?

Show answer

Answer: 18

SubType: number-chain
Start: 2
Steps: {"op":"x","operand":4}
{"op":"-","operand":1}
{"op":"-","operand":4}
{"op":"x","operand":4}
{"op":"+","operand":6}
Difficulty: hard

Number Chain: 5 → x5 → +2 → -14 → x3 → -36 → ?

Show answer

Answer: 3

SubType: number-chain
Start: 5
Steps: {"op":"x","operand":5}
{"op":"+","operand":2}
{"op":"-","operand":14}
{"op":"x","operand":3}
{"op":"-","operand":36}
Difficulty: hard

Number Chain: 2 → x5 → x4 → -26 → +1 → +11 → ?

Show answer

Answer: 26

SubType: number-chain
Start: 2
Steps: {"op":"x","operand":5}
{"op":"x","operand":4}
{"op":"-","operand":26}
{"op":"+","operand":1}
{"op":"+","operand":11}
Difficulty: hard

Number Chain: 7 → -2 → -3 → -1 → -1 → -1 → ?

Show answer

Answer: -1

SubType: number-chain
Start: 7
Steps: {"op":"-","operand":2}
{"op":"-","operand":3}
{"op":"-","operand":1}
{"op":"-","operand":1}
{"op":"-","operand":1}
Difficulty: hard

Number Chain: 5 → -2 → x3 → +11 → x4 → x4 → ?

Show answer

Answer: 320

SubType: number-chain
Start: 5
Steps: {"op":"-","operand":2}
{"op":"x","operand":3}
{"op":"+","operand":11}
{"op":"x","operand":4}
{"op":"x","operand":4}
Difficulty: hard

← More Arithmetic

Number Chain Mixed Hard — Set 87

Number Chain: 7 → +3 → x3 → +4 → -4 → -15 → ?

Number Chain: 9 → -5 → -2 → -1 → +6 → -4 → ?

Number Chain: 9 → -6 → +8 → x2 → +11 → -32 → ?

Number Chain: 2 → x4 → -1 → -4 → x4 → +6 → ?

Number Chain: 5 → x5 → +2 → -14 → x3 → -36 → ?

Number Chain: 2 → x5 → x4 → -26 → +1 → +11 → ?

Number Chain: 7 → -2 → -3 → -1 → -1 → -1 → ?

Number Chain: 5 → -2 → x3 → +11 → x4 → x4 → ?

Teaching Notes

Frequently Asked Questions

How do I use this Number Chain Mixed Hard Practice?

Is there an answer key?