expert Set 27 Form Exercise

4 = 2 + __

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Answer: 2

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

10 = __ + 8

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Answer: 2

SubType
number-bonds
Total
10
KnownPart
8
MissingPart
2
Difficulty
expert

5 = __ + 3

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Answer: 2

SubType
number-bonds
Total
5
KnownPart
3
MissingPart
2
Difficulty
expert

Number bond: 6 = 4 + ?

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Answer: 2

SubType
number-bonds
Total
6
KnownPart
4
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

10 = 1 + __

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Answer: 9

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

Number bond: 10 = 9 + ?

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Answer: 1

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

Number bond: 10 = ? + 2

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Answer: 8

SubType
number-bonds
Total
10
KnownPart
2
MissingPart
8
Difficulty
expert