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Number Bonds Addition Within 20 Fill Both — Set 9

Arithmetic A

medium Set 9 Form Exercise

Exercise 1

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Answer: Array, Array, Array, Array, Array, Array, Array

Operation: addition
Target: 14
Mode: fill_both
ValidPairs: [1,13]
[2,12]
[3,11]
[4,10]
[5,9]
[6,8]
[7,7]

Exercise 2

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Answer: Array, Array, Array, Array

Operation: addition
Target: 8
Mode: fill_both
ValidPairs: [1,7]
[2,6]
[3,5]
[4,4]

Exercise 3

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Answer: Array

Operation: addition
Target: 3
Mode: fill_both
ValidPairs: [1,2]

Exercise 4

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Answer: Array, Array, Array, Array, Array, Array, Array, Array

Operation: addition
Target: 17
Mode: fill_both
ValidPairs: [1,16]
[2,15]
[3,14]
[4,13]
[5,12]
[6,11]
[7,10]
[8,9]

Exercise 5

Show answer

Answer: Array, Array, Array, Array, Array, Array, Array, Array

Operation: addition
Target: 17
Mode: fill_both
ValidPairs: [1,16]
[2,15]
[3,14]
[4,13]
[5,12]
[6,11]
[7,10]
[8,9]

Exercise 6

Show answer

Answer: Array, Array, Array, Array, Array, Array, Array

Operation: addition
Target: 15
Mode: fill_both
ValidPairs: [1,14]
[2,13]
[3,12]
[4,11]
[5,10]
[6,9]
[7,8]

Exercise 7

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Answer: Array, Array, Array, Array, Array, Array, Array, Array, Array

Operation: addition
Target: 18
Mode: fill_both
ValidPairs: [1,17]
[2,16]
[3,15]
[4,14]
[5,13]
[6,12]
[7,11]
[8,10]
[9,9]

Exercise 8

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Answer: Array, Array, Array

Operation: addition
Target: 7
Mode: fill_both
ValidPairs: [1,6]
[2,5]
[3,4]

← More Arithmetic

Number Bonds Addition Within 20 Fill Both — Set 9

Exercise 1

Exercise 2

Exercise 3

Exercise 4

Exercise 5

Exercise 6

Exercise 7

Exercise 8

Teaching Notes

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