medium Set 12 Form Exercise

64 = 36 + __

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Answer: 28

SubType
number-bonds
Total
64
KnownPart
36
MissingPart
28
Difficulty
normal

48 = __ + 29

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Answer: 19

SubType
number-bonds
Total
48
KnownPart
29
MissingPart
19
Difficulty
normal

Number bond: 35 = 31 + ?

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Answer: 4

SubType
number-bonds
Total
35
KnownPart
31
MissingPart
4
Difficulty
normal

18 = 3 + __

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Answer: 15

SubType
number-bonds
Total
18
KnownPart
3
MissingPart
15
Difficulty
normal

69 = __ + 23

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Answer: 46

SubType
number-bonds
Total
69
KnownPart
23
MissingPart
46
Difficulty
normal

Complete the number bond: 9 = 2 + __

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Answer: 7

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

Complete the number bond: 61 = 21 + __

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Answer: 40

SubType
number-bonds
Total
61
KnownPart
21
MissingPart
40
Difficulty
normal

Complete the number bond: 36 = __ + 11

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Answer: 25

SubType
number-bonds
Total
36
KnownPart
11
MissingPart
25
Difficulty
normal