hard Set 81 Form Exercise

Number bond: 9 = ? + 7

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Answer: 2

SubType
number-bonds
Total
9
KnownPart
7
MissingPart
2
Difficulty
hard

Number bond: 2 = ? + 1

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Answer: 1

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

2 = 1 + __

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Answer: 1

SubType
number-bonds
Total
2
KnownPart
1
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

Number bond: 9 = 7 + ?

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Answer: 2

SubType
number-bonds
Total
9
KnownPart
7
MissingPart
2
Difficulty
hard

Complete the number bond: 7 = __ + 1

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Answer: 6

SubType
number-bonds
Total
7
KnownPart
1
MissingPart
6
Difficulty
hard

7 = 5 + __

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Answer: 2

SubType
number-bonds
Total
7
KnownPart
5
MissingPart
2
Difficulty
hard

Complete the number bond: 7 = 2 + __

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Answer: 5

SubType
number-bonds
Total
7
KnownPart
2
MissingPart
5
Difficulty
hard