medium Set 56 Form Exercise

17 = 8 + __

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Answer: 9

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

19 = __ + 18

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Answer: 1

SubType
number-bonds
Total
19
KnownPart
18
MissingPart
1
Difficulty
normal

Complete the number bond: 6 = 4 + __

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Answer: 2

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

Complete the number bond: 18 = 17 + __

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Answer: 1

SubType
number-bonds
Total
18
KnownPart
17
MissingPart
1
Difficulty
normal

Number bond: 20 = ? + 9

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Answer: 11

SubType
number-bonds
Total
20
KnownPart
9
MissingPart
11
Difficulty
normal

7 = __ + 3

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Answer: 4

SubType
number-bonds
Total
7
KnownPart
3
MissingPart
4
Difficulty
normal

Number bond: 2 = ? + 1

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Answer: 1

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

10 = __ + 1

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Answer: 9

SubType
number-bonds
Total
10
KnownPart
1
MissingPart
9
Difficulty
normal