hard Set 20 Form Exercise

Number bond: 10 = 4 + ?

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Answer: 6

SubType
number-bonds
Total
10
KnownPart
4
MissingPart
6
Difficulty
hard

10 = 3 + __

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Answer: 7

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

Number bond: 7 = ? + 5

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Answer: 2

SubType
number-bonds
Total
7
KnownPart
5
MissingPart
2
Difficulty
hard

3 = __ + 2

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Answer: 1

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

Complete the number bond: 8 = 7 + __

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Answer: 1

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

Complete the number bond: 3 = 1 + __

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Answer: 2

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

6 = 4 + __

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Answer: 2

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

Number bond: 3 = ? + 1

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Answer: 2

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