medium Set 31 Form Exercise

Number bond: 44 = ? + 10

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Answer: 34

SubType
number-bonds
Total
44
KnownPart
10
MissingPart
34
Difficulty
normal

Complete the number bond: 95 = 80 + __

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Answer: 15

SubType
number-bonds
Total
95
KnownPart
80
MissingPart
15
Difficulty
normal

Number bond: 31 = ? + 21

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Answer: 10

SubType
number-bonds
Total
31
KnownPart
21
MissingPart
10
Difficulty
normal

Number bond: 2 = 1 + ?

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Answer: 1

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

16 = __ + 5

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Answer: 11

SubType
number-bonds
Total
16
KnownPart
5
MissingPart
11
Difficulty
normal

Complete the number bond: 42 = __ + 40

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Answer: 2

SubType
number-bonds
Total
42
KnownPart
40
MissingPart
2
Difficulty
normal

Complete the number bond: 34 = __ + 15

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Answer: 19

SubType
number-bonds
Total
34
KnownPart
15
MissingPart
19
Difficulty
normal

13 = __ + 5

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Answer: 8

SubType
number-bonds
Total
13
KnownPart
5
MissingPart
8
Difficulty
normal