medium Set 90 Form Exercise

Number bond: 13 = 9 + ?

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Answer: 4

SubType
number-bonds
Total
13
KnownPart
9
MissingPart
4
Difficulty
normal

Number bond: 13 = 3 + ?

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Answer: 10

SubType
number-bonds
Total
13
KnownPart
3
MissingPart
10
Difficulty
normal

Number bond: 13 = 8 + ?

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Answer: 5

SubType
number-bonds
Total
13
KnownPart
8
MissingPart
5
Difficulty
normal

8 = 2 + __

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Answer: 6

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

Complete the number bond: 8 = __ + 5

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Answer: 3

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

7 = 3 + __

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Answer: 4

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

3 = 1 + __

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Answer: 2

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

Number bond: 6 = 2 + ?

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Answer: 4

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