medium Set 45 Form Exercise

Complete the number bond: 15 = 12 + __

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Answer: 3

SubType
number-bonds
Total
15
KnownPart
12
MissingPart
3
Difficulty
normal

18 = __ + 2

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Answer: 16

SubType
number-bonds
Total
18
KnownPart
2
MissingPart
16
Difficulty
normal

Complete the number bond: 8 = __ + 3

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Answer: 5

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

Number bond: 20 = ? + 12

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Answer: 8

SubType
number-bonds
Total
20
KnownPart
12
MissingPart
8
Difficulty
normal

Number bond: 16 = ? + 12

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Answer: 4

SubType
number-bonds
Total
16
KnownPart
12
MissingPart
4
Difficulty
normal

2 = 1 + __

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Answer: 1

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

Number bond: 9 = 7 + ?

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Answer: 2

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

Number bond: 5 = 4 + ?

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Answer: 1

SubType
number-bonds
Total
5
KnownPart
4
MissingPart
1
Difficulty
normal