medium Set 40 Form Exercise

75 = 9 + __

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Answer: 66

SubType
number-bonds
Total
75
KnownPart
9
MissingPart
66
Difficulty
normal

Number bond: 7 = 6 + ?

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Answer: 1

SubType
number-bonds
Total
7
KnownPart
6
MissingPart
1
Difficulty
normal

Number bond: 55 = 25 + ?

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Answer: 30

SubType
number-bonds
Total
55
KnownPart
25
MissingPart
30
Difficulty
normal

Complete the number bond: 59 = __ + 42

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Answer: 17

SubType
number-bonds
Total
59
KnownPart
42
MissingPart
17
Difficulty
normal

15 = __ + 8

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Answer: 7

SubType
number-bonds
Total
15
KnownPart
8
MissingPart
7
Difficulty
normal

Complete the number bond: 13 = __ + 12

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Answer: 1

SubType
number-bonds
Total
13
KnownPart
12
MissingPart
1
Difficulty
normal

86 = __ + 57

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Answer: 29

SubType
number-bonds
Total
86
KnownPart
57
MissingPart
29
Difficulty
normal

Number bond: 34 = 11 + ?

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Answer: 23

SubType
number-bonds
Total
34
KnownPart
11
MissingPart
23
Difficulty
normal