medium Set 15 Form Exercise

Number bond: 18 = 16 + ?

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Answer: 2

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

12 = 9 + __

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Answer: 3

SubType
number-bonds
Total
12
KnownPart
9
MissingPart
3
Difficulty
normal

Complete the number bond: 13 = __ + 2

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Answer: 11

SubType
number-bonds
Total
13
KnownPart
2
MissingPart
11
Difficulty
normal

Number bond: 4 = ? + 3

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Answer: 1

SubType
number-bonds
Total
4
KnownPart
3
MissingPart
1
Difficulty
normal

Number bond: 10 = 3 + ?

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Answer: 7

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

16 = __ + 2

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Answer: 14

SubType
number-bonds
Total
16
KnownPart
2
MissingPart
14
Difficulty
normal

Number bond: 16 = ? + 9

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Answer: 7

SubType
number-bonds
Total
16
KnownPart
9
MissingPart
7
Difficulty
normal

17 = 7 + __

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Answer: 10

SubType
number-bonds
Total
17
KnownPart
7
MissingPart
10
Difficulty
normal