expert Set 63 Form Exercise

Number bond: 3 = ? + 1

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Answer: 2

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

Number bond: 10 = ? + 1

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Answer: 9

SubType
number-bonds
Total
10
KnownPart
1
MissingPart
9
Difficulty
expert

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: 3 = __ + 2

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Answer: 1

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

7 = 6 + __

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Answer: 1

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

Number bond: 10 = ? + 7

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Answer: 3

SubType
number-bonds
Total
10
KnownPart
7
MissingPart
3
Difficulty
expert

9 = 2 + __

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Answer: 7

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

8 = 2 + __

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Answer: 6

SubType
number-bonds
Total
8
KnownPart
2
MissingPart
6
Difficulty
expert