medium Set 32 Form Exercise

Number bond: 8 = ? + 6

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Answer: 2

SubType
number-bonds
Total
8
KnownPart
6
MissingPart
2
Difficulty
normal

17 = __ + 2

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Answer: 15

SubType
number-bonds
Total
17
KnownPart
2
MissingPart
15
Difficulty
normal

19 = 13 + __

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Answer: 6

SubType
number-bonds
Total
19
KnownPart
13
MissingPart
6
Difficulty
normal

Number bond: 13 = 4 + ?

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Answer: 9

SubType
number-bonds
Total
13
KnownPart
4
MissingPart
9
Difficulty
normal

Number bond: 19 = ? + 18

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Answer: 1

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

Number bond: 5 = ? + 4

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Answer: 1

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

Number bond: 19 = ? + 15

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Answer: 4

SubType
number-bonds
Total
19
KnownPart
15
MissingPart
4
Difficulty
normal

Complete the number bond: 15 = __ + 12

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Answer: 3

SubType
number-bonds
Total
15
KnownPart
12
MissingPart
3
Difficulty
normal