hard Set 15 Form Exercise

Number bond: 4 = 1 + ?

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Answer: 3

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

Number bond: 9 = ? + 3

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Answer: 6

SubType
number-bonds
Total
9
KnownPart
3
MissingPart
6
Difficulty
hard

Number bond: 9 = 6 + ?

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Answer: 3

SubType
number-bonds
Total
9
KnownPart
6
MissingPart
3
Difficulty
hard

6 = 4 + __

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Answer: 2

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

4 = 3 + __

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Answer: 1

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

Complete the number bond: 7 = __ + 4

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Answer: 3

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

Number bond: 8 = 3 + ?

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Answer: 5

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