expert Set 90 Form Exercise

Number bond: 2 = ? + 1

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Answer: 1

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

Number bond: 7 = ? + 3

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Answer: 4

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

Complete the number bond: 9 = __ + 1

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Answer: 8

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

Complete the number bond: 9 = __ + 2

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Answer: 7

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

9 = __ + 7

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Answer: 2

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

Complete the number bond: 6 = 4 + __

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Answer: 2

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

Number bond: 3 = ? + 2

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Answer: 1

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

8 = 4 + __

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Answer: 4

SubType
number-bonds
Total
8
KnownPart
4
MissingPart
4
Difficulty
expert