medium Set 85 Form Exercise

Complete the number bond: 20 = __ + 2

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Answer: 18

SubType
number-bonds
Total
20
KnownPart
2
MissingPart
18
Difficulty
normal

Complete the number bond: 18 = 16 + __

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Answer: 2

SubType
number-bonds
Total
18
KnownPart
16
MissingPart
2
Difficulty
normal

Complete the number bond: 15 = __ + 10

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Answer: 5

SubType
number-bonds
Total
15
KnownPart
10
MissingPart
5
Difficulty
normal

Number bond: 18 = 1 + ?

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Answer: 17

SubType
number-bonds
Total
18
KnownPart
1
MissingPart
17
Difficulty
normal

Complete the number bond: 6 = __ + 3

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Answer: 3

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

16 = 15 + __

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Answer: 1

SubType
number-bonds
Total
16
KnownPart
15
MissingPart
1
Difficulty
normal

Number bond: 18 = ? + 17

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Answer: 1

SubType
number-bonds
Total
18
KnownPart
17
MissingPart
1
Difficulty
normal

Number bond: 15 = ? + 12

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Answer: 3

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