medium Set 42 Form Exercise

9 = __ + 7

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Answer: 2

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

Number bond: 5 = ? + 2

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Answer: 3

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

15 = __ + 9

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Answer: 6

SubType
number-bonds
Total
15
KnownPart
9
MissingPart
6
Difficulty
normal

Number bond: 17 = ? + 10

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Answer: 7

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

19 = __ + 13

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Answer: 6

SubType
number-bonds
Total
19
KnownPart
13
MissingPart
6
Difficulty
normal

Complete the number bond: 20 = __ + 12

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Answer: 8

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

Number bond: 14 = ? + 3

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Answer: 11

SubType
number-bonds
Total
14
KnownPart
3
MissingPart
11
Difficulty
normal

Number bond: 17 = 3 + ?

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Answer: 14

SubType
number-bonds
Total
17
KnownPart
3
MissingPart
14
Difficulty
normal