medium Set 18 Form Exercise

42 = __ + 22

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Answer: 20

SubType
number-bonds
Total
42
KnownPart
22
MissingPart
20
Difficulty
normal

Number bond: 53 = 44 + ?

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Answer: 9

SubType
number-bonds
Total
53
KnownPart
44
MissingPart
9
Difficulty
normal

Complete the number bond: 38 = 10 + __

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Answer: 28

SubType
number-bonds
Total
38
KnownPart
10
MissingPart
28
Difficulty
normal

Number bond: 37 = ? + 10

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Answer: 27

SubType
number-bonds
Total
37
KnownPart
10
MissingPart
27
Difficulty
normal

99 = __ + 63

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Answer: 36

SubType
number-bonds
Total
99
KnownPart
63
MissingPart
36
Difficulty
normal

77 = __ + 31

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Answer: 46

SubType
number-bonds
Total
77
KnownPart
31
MissingPart
46
Difficulty
normal

Number bond: 9 = ? + 3

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Answer: 6

SubType
number-bonds
Total
9
KnownPart
3
MissingPart
6
Difficulty
normal

86 = 26 + __

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Answer: 60

SubType
number-bonds
Total
86
KnownPart
26
MissingPart
60
Difficulty
normal