medium Set 71 Form Exercise

Number bond: 28 = 23 + ?

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Answer: 5

SubType
number-bonds
Total
28
KnownPart
23
MissingPart
5
Difficulty
normal

Number bond: 34 = 27 + ?

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Answer: 7

SubType
number-bonds
Total
34
KnownPart
27
MissingPart
7
Difficulty
normal

Number bond: 11 = ? + 2

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Answer: 9

SubType
number-bonds
Total
11
KnownPart
2
MissingPart
9
Difficulty
normal

46 = __ + 31

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Answer: 15

SubType
number-bonds
Total
46
KnownPart
31
MissingPart
15
Difficulty
normal

Complete the number bond: 14 = __ + 1

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Answer: 13

SubType
number-bonds
Total
14
KnownPart
1
MissingPart
13
Difficulty
normal

36 = 28 + __

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Answer: 8

SubType
number-bonds
Total
36
KnownPart
28
MissingPart
8
Difficulty
normal

6 = __ + 4

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Answer: 2

SubType
number-bonds
Total
6
KnownPart
4
MissingPart
2
Difficulty
normal

28 = __ + 10

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Answer: 18

SubType
number-bonds
Total
28
KnownPart
10
MissingPart
18
Difficulty
normal