medium Set 85 Form Exercise

Number bond: 27 = ? + 22

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Answer: 5

SubType
number-bonds
Total
27
KnownPart
22
MissingPart
5
Difficulty
normal

Complete the number bond: 76 = __ + 74

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Answer: 2

SubType
number-bonds
Total
76
KnownPart
74
MissingPart
2
Difficulty
normal

19 = __ + 18

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Answer: 1

SubType
number-bonds
Total
19
KnownPart
18
MissingPart
1
Difficulty
normal

2 = __ + 1

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Answer: 1

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

Number bond: 16 = 1 + ?

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Answer: 15

SubType
number-bonds
Total
16
KnownPart
1
MissingPart
15
Difficulty
normal

48 = __ + 22

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Answer: 26

SubType
number-bonds
Total
48
KnownPart
22
MissingPart
26
Difficulty
normal

Number bond: 27 = ? + 3

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Answer: 24

SubType
number-bonds
Total
27
KnownPart
3
MissingPart
24
Difficulty
normal

50 = __ + 10

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Answer: 40

SubType
number-bonds
Total
50
KnownPart
10
MissingPart
40
Difficulty
normal