medium Set 42 Form Exercise

19 = __ + 9

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Answer: 10

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

Complete the number bond: 48 = __ + 27

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Answer: 21

SubType
number-bonds
Total
48
KnownPart
27
MissingPart
21
Difficulty
normal

27 = 12 + __

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Answer: 15

SubType
number-bonds
Total
27
KnownPart
12
MissingPart
15
Difficulty
normal

20 = 3 + __

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Answer: 17

SubType
number-bonds
Total
20
KnownPart
3
MissingPart
17
Difficulty
normal

74 = __ + 68

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Answer: 6

SubType
number-bonds
Total
74
KnownPart
68
MissingPart
6
Difficulty
normal

47 = 16 + __

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Answer: 31

SubType
number-bonds
Total
47
KnownPart
16
MissingPart
31
Difficulty
normal

Number bond: 76 = 51 + ?

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Answer: 25

SubType
number-bonds
Total
76
KnownPart
51
MissingPart
25
Difficulty
normal

Complete the number bond: 11 = 8 + __

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Answer: 3

SubType
number-bonds
Total
11
KnownPart
8
MissingPart
3
Difficulty
normal