medium Set 63 Form Exercise

64 = __ + 62

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Answer: 2

SubType
number-bonds
Total
64
KnownPart
62
MissingPart
2
Difficulty
normal

Number bond: 21 = 2 + ?

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Answer: 19

SubType
number-bonds
Total
21
KnownPart
2
MissingPart
19
Difficulty
normal

Number bond: 22 = 12 + ?

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Answer: 10

SubType
number-bonds
Total
22
KnownPart
12
MissingPart
10
Difficulty
normal

Number bond: 61 = 25 + ?

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Answer: 36

SubType
number-bonds
Total
61
KnownPart
25
MissingPart
36
Difficulty
normal

63 = __ + 46

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Answer: 17

SubType
number-bonds
Total
63
KnownPart
46
MissingPart
17
Difficulty
normal

Complete the number bond: 43 = __ + 13

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Answer: 30

SubType
number-bonds
Total
43
KnownPart
13
MissingPart
30
Difficulty
normal

21 = 10 + __

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Answer: 11

SubType
number-bonds
Total
21
KnownPart
10
MissingPart
11
Difficulty
normal

66 = __ + 65

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Answer: 1

SubType
number-bonds
Total
66
KnownPart
65
MissingPart
1
Difficulty
normal