medium Set 73 Form Exercise

Complete the number bond: 20 = 8 + __

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Answer: 12

SubType
number-bonds
Total
20
KnownPart
8
MissingPart
12
Difficulty
normal

Complete the number bond: 19 = 8 + __

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Answer: 11

SubType
number-bonds
Total
19
KnownPart
8
MissingPart
11
Difficulty
normal

Number bond: 3 = 2 + ?

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Answer: 1

SubType
number-bonds
Total
3
KnownPart
2
MissingPart
1
Difficulty
normal

4 = 2 + __

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Answer: 2

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

Complete the number bond: 9 = 4 + __

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Answer: 5

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

Number bond: 3 = ? + 1

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Answer: 2

SubType
number-bonds
Total
3
KnownPart
1
MissingPart
2
Difficulty
normal

Complete the number bond: 6 = __ + 2

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Answer: 4

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

17 = __ + 10

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Answer: 7

SubType
number-bonds
Total
17
KnownPart
10
MissingPart
7
Difficulty
normal