medium Set 80 Form Exercise

2 = __ + 1

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Answer: 1

SubType
number-bonds
Total
2
KnownPart
1
MissingPart
1
Difficulty
normal

Complete the number bond: 68 = __ + 29

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Answer: 39

SubType
number-bonds
Total
68
KnownPart
29
MissingPart
39
Difficulty
normal

Number bond: 97 = 88 + ?

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Answer: 9

SubType
number-bonds
Total
97
KnownPart
88
MissingPart
9
Difficulty
normal

18 = __ + 11

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Answer: 7

SubType
number-bonds
Total
18
KnownPart
11
MissingPart
7
Difficulty
normal

97 = 27 + __

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Answer: 70

SubType
number-bonds
Total
97
KnownPart
27
MissingPart
70
Difficulty
normal

Number bond: 55 = 54 + ?

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Answer: 1

SubType
number-bonds
Total
55
KnownPart
54
MissingPart
1
Difficulty
normal

Complete the number bond: 37 = __ + 34

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Answer: 3

SubType
number-bonds
Total
37
KnownPart
34
MissingPart
3
Difficulty
normal

Complete the number bond: 48 = __ + 30

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Answer: 18

SubType
number-bonds
Total
48
KnownPart
30
MissingPart
18
Difficulty
normal