medium Set 61 Form Exercise

Complete the number bond: 11 = __ + 9

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Answer: 2

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

14 = __ + 4

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Answer: 10

SubType
number-bonds
Total
14
KnownPart
4
MissingPart
10
Difficulty
normal

6 = __ + 5

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Answer: 1

SubType
number-bonds
Total
6
KnownPart
5
MissingPart
1
Difficulty
normal

10 = 4 + __

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Answer: 6

SubType
number-bonds
Total
10
KnownPart
4
MissingPart
6
Difficulty
normal

13 = __ + 12

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Answer: 1

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

Number bond: 20 = 11 + ?

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Answer: 9

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

Complete the number bond: 17 = 3 + __

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Answer: 14

SubType
number-bonds
Total
17
KnownPart
3
MissingPart
14
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