hard Set 20 Form Exercise

5 = 1 + __

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Answer: 4

SubType
number-bonds
Total
5
KnownPart
1
MissingPart
4
Difficulty
hard

Complete the number bond: 5 = 2 + __

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Answer: 3

SubType
number-bonds
Total
5
KnownPart
2
MissingPart
3
Difficulty
hard

Complete the number bond: 10 = 8 + __

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Answer: 2

SubType
number-bonds
Total
10
KnownPart
8
MissingPart
2
Difficulty
hard

6 = 2 + __

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Answer: 4

SubType
number-bonds
Total
6
KnownPart
2
MissingPart
4
Difficulty
hard

Number bond: 3 = ? + 1

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Answer: 2

SubType
number-bonds
Total
3
KnownPart
1
MissingPart
2
Difficulty
hard

9 = __ + 1

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Answer: 8

SubType
number-bonds
Total
9
KnownPart
1
MissingPart
8
Difficulty
hard

Number bond: 10 = ? + 5

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Answer: 5

SubType
number-bonds
Total
10
KnownPart
5
MissingPart
5
Difficulty
hard

9 = 5 + __

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Answer: 4

SubType
number-bonds
Total
9
KnownPart
5
MissingPart
4
Difficulty
hard