medium Set 41 Form Exercise

Number bond: 7 = ? + 1

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Answer: 6

SubType
number-bonds
Total
7
KnownPart
1
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

2 = 1 + __

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Answer: 1

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

8 = 4 + __

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Answer: 4

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

Number bond: 8 = ? + 5

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Answer: 3

SubType
number-bonds
Total
8
KnownPart
5
MissingPart
3
Difficulty
normal

Number bond: 9 = ? + 5

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Answer: 4

SubType
number-bonds
Total
9
KnownPart
5
MissingPart
4
Difficulty
normal

20 = __ + 1

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Answer: 19

SubType
number-bonds
Total
20
KnownPart
1
MissingPart
19
Difficulty
normal

Complete the number bond: 17 = __ + 6

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Answer: 11

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