expert Set 87 Form Exercise

8 = 1 + __

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Answer: 7

SubType
number-bonds
Total
8
KnownPart
1
MissingPart
7
Difficulty
expert

Number bond: 8 = 7 + ?

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Answer: 1

SubType
number-bonds
Total
8
KnownPart
7
MissingPart
1
Difficulty
expert

Number bond: 7 = ? + 6

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Answer: 1

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

7 = 4 + __

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Answer: 3

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

8 = 5 + __

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Answer: 3

SubType
number-bonds
Total
8
KnownPart
5
MissingPart
3
Difficulty
expert

Number bond: 3 = ? + 1

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Answer: 2

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

Number bond: 2 = ? + 1

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Answer: 1

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

4 = 2 + __

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Answer: 2

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