easy Set 21 Form Exercise

9 = __ + 7

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Answer: 2

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

6 = __ + 1

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Answer: 5

SubType
number-bonds
Total
6
KnownPart
1
MissingPart
5
Difficulty
normal

Complete the number bond: 9 = 8 + __

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Answer: 1

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

7 = 4 + __

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Answer: 3

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

2 = 1 + __

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Answer: 1

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

6 = 1 + __

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Answer: 5

SubType
number-bonds
Total
6
KnownPart
1
MissingPart
5
Difficulty
normal

Number bond: 8 = ? + 5

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Answer: 3

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

5 = __ + 3

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Answer: 2

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