medium Set 13 Form Exercise

Number bond: 16 = 9 + ?

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Answer: 7

SubType
number-bonds
Total
16
KnownPart
9
MissingPart
7
Difficulty
normal

8 = 4 + __

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Answer: 4

SubType
number-bonds
Total
8
KnownPart
4
MissingPart
4
Difficulty
normal

Number bond: 12 = ? + 11

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Answer: 1

SubType
number-bonds
Total
12
KnownPart
11
MissingPart
1
Difficulty
normal

9 = __ + 6

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Answer: 3

SubType
number-bonds
Total
9
KnownPart
6
MissingPart
3
Difficulty
normal

Number bond: 10 = 3 + ?

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Answer: 7

SubType
number-bonds
Total
10
KnownPart
3
MissingPart
7
Difficulty
normal

17 = 6 + __

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Answer: 11

SubType
number-bonds
Total
17
KnownPart
6
MissingPart
11
Difficulty
normal

Complete the number bond: 13 = 12 + __

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Answer: 1

SubType
number-bonds
Total
13
KnownPart
12
MissingPart
1
Difficulty
normal

Complete the number bond: 20 = 17 + __

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Answer: 3

SubType
number-bonds
Total
20
KnownPart
17
MissingPart
3
Difficulty
normal