medium Set 30 Form Exercise

94 = 89 + __

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Answer: 5

SubType
number-bonds
Total
94
KnownPart
89
MissingPart
5
Difficulty
normal

Number bond: 64 = ? + 13

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Answer: 51

SubType
number-bonds
Total
64
KnownPart
13
MissingPart
51
Difficulty
normal

Number bond: 89 = ? + 76

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Answer: 13

SubType
number-bonds
Total
89
KnownPart
76
MissingPart
13
Difficulty
normal

Complete the number bond: 75 = __ + 67

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Answer: 8

SubType
number-bonds
Total
75
KnownPart
67
MissingPart
8
Difficulty
normal

Complete the number bond: 12 = 6 + __

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Answer: 6

SubType
number-bonds
Total
12
KnownPart
6
MissingPart
6
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: 55 = 36 + __

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Answer: 19

SubType
number-bonds
Total
55
KnownPart
36
MissingPart
19
Difficulty
normal

85 = __ + 23

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Answer: 62

SubType
number-bonds
Total
85
KnownPart
23
MissingPart
62
Difficulty
normal