medium Set 11 Form Exercise

53 = 21 + __

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Answer: 32

SubType
number-bonds
Total
53
KnownPart
21
MissingPart
32
Difficulty
normal

91 = __ + 57

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Answer: 34

SubType
number-bonds
Total
91
KnownPart
57
MissingPart
34
Difficulty
normal

70 = __ + 32

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Answer: 38

SubType
number-bonds
Total
70
KnownPart
32
MissingPart
38
Difficulty
normal

Number bond: 25 = ? + 15

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Answer: 10

SubType
number-bonds
Total
25
KnownPart
15
MissingPart
10
Difficulty
normal

53 = 45 + __

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Answer: 8

SubType
number-bonds
Total
53
KnownPart
45
MissingPart
8
Difficulty
normal

Number bond: 85 = 77 + ?

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Answer: 8

SubType
number-bonds
Total
85
KnownPart
77
MissingPart
8
Difficulty
normal

Complete the number bond: 34 = 18 + __

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Answer: 16

SubType
number-bonds
Total
34
KnownPart
18
MissingPart
16
Difficulty
normal

Complete the number bond: 59 = __ + 51

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Answer: 8

SubType
number-bonds
Total
59
KnownPart
51
MissingPart
8
Difficulty
normal