medium Set 13 Form Exercise

Complete the number bond: 20 = __ + 7

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Answer: 13

SubType
number-bonds
Total
20
KnownPart
7
MissingPart
13
Difficulty
normal

Complete the number bond: 15 = __ + 8

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Answer: 7

SubType
number-bonds
Total
15
KnownPart
8
MissingPart
7
Difficulty
normal

Complete the number bond: 20 = __ + 16

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Answer: 4

SubType
number-bonds
Total
20
KnownPart
16
MissingPart
4
Difficulty
normal

Complete the number bond: 19 = __ + 10

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Answer: 9

SubType
number-bonds
Total
19
KnownPart
10
MissingPart
9
Difficulty
normal

4 = 2 + __

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Answer: 2

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

Complete the number bond: 12 = 2 + __

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Answer: 10

SubType
number-bonds
Total
12
KnownPart
2
MissingPart
10
Difficulty
normal

Number bond: 15 = ? + 8

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Answer: 7

SubType
number-bonds
Total
15
KnownPart
8
MissingPart
7
Difficulty
normal

Complete the number bond: 13 = 3 + __

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Answer: 10

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