hard Set 90 Form Exercise

2 = 1 + __

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Answer: 1

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

6 = __ + 2

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Answer: 4

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

10 = 8 + __

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Answer: 2

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

Number bond: 9 = 4 + ?

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Answer: 5

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

4 = __ + 2

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Answer: 2

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

Complete the number bond: 4 = __ + 3

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Answer: 1

SubType
number-bonds
Total
4
KnownPart
3
MissingPart
1
Difficulty
hard

Complete the number bond: 5 = 3 + __

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Answer: 2

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

Complete the number bond: 2 = 1 + __

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Answer: 1

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