medium Set 21 Form Exercise

Complete the number bond: 47 = 33 + __

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Answer: 14

SubType
number-bonds
Total
47
KnownPart
33
MissingPart
14
Difficulty
normal

54 = 26 + __

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Answer: 28

SubType
number-bonds
Total
54
KnownPart
26
MissingPart
28
Difficulty
normal

Complete the number bond: 100 = 58 + __

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Answer: 42

SubType
number-bonds
Total
100
KnownPart
58
MissingPart
42
Difficulty
normal

88 = 38 + __

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Answer: 50

SubType
number-bonds
Total
88
KnownPart
38
MissingPart
50
Difficulty
normal

Complete the number bond: 12 = __ + 2

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Answer: 10

SubType
number-bonds
Total
12
KnownPart
2
MissingPart
10
Difficulty
normal

12 = 9 + __

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Answer: 3

SubType
number-bonds
Total
12
KnownPart
9
MissingPart
3
Difficulty
normal

79 = 49 + __

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Answer: 30

SubType
number-bonds
Total
79
KnownPart
49
MissingPart
30
Difficulty
normal

Complete the number bond: 43 = __ + 35

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Answer: 8

SubType
number-bonds
Total
43
KnownPart
35
MissingPart
8
Difficulty
normal