expert Set 81 Form Exercise

Complete the number bond: 4 = 1 + __

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Answer: 3

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

Number bond: 7 = ? + 4

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Answer: 3

SubType
number-bonds
Total
7
KnownPart
4
MissingPart
3
Difficulty
expert

Number bond: 9 = ? + 5

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Answer: 4

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

Complete the number bond: 3 = __ + 2

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Answer: 1

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

9 = __ + 5

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Answer: 4

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

Complete the number bond: 10 = 5 + __

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Answer: 5

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

Number bond: 4 = 1 + ?

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Answer: 3

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

3 = 2 + __

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Answer: 1

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