medium Set 80 Form Exercise

17 = __ + 9

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Answer: 8

SubType
number-bonds
Total
17
KnownPart
9
MissingPart
8
Difficulty
normal

Number bond: 5 = ? + 4

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Answer: 1

SubType
number-bonds
Total
5
KnownPart
4
MissingPart
1
Difficulty
normal

Complete the number bond: 12 = 7 + __

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Answer: 5

SubType
number-bonds
Total
12
KnownPart
7
MissingPart
5
Difficulty
normal

Number bond: 14 = 1 + ?

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Answer: 13

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

Number bond: 11 = ? + 9

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Answer: 2

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

Number bond: 2 = ? + 1

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Answer: 1

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

Complete the number bond: 17 = __ + 8

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Answer: 9

SubType
number-bonds
Total
17
KnownPart
8
MissingPart
9
Difficulty
normal

Complete the number bond: 16 = 3 + __

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Answer: 13

SubType
number-bonds
Total
16
KnownPart
3
MissingPart
13
Difficulty
normal