medium Set 31 Form Exercise

Number bond: 15 = 1 + ?

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Answer: 14

SubType
number-bonds
Total
15
KnownPart
1
MissingPart
14
Difficulty
normal

Number bond: 20 = ? + 5

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Answer: 15

SubType
number-bonds
Total
20
KnownPart
5
MissingPart
15
Difficulty
normal

Complete the number bond: 16 = 5 + __

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Answer: 11

SubType
number-bonds
Total
16
KnownPart
5
MissingPart
11
Difficulty
normal

Complete the number bond: 13 = 10 + __

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Answer: 3

SubType
number-bonds
Total
13
KnownPart
10
MissingPart
3
Difficulty
normal

4 = 1 + __

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Answer: 3

SubType
number-bonds
Total
4
KnownPart
1
MissingPart
3
Difficulty
normal

19 = 16 + __

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Answer: 3

SubType
number-bonds
Total
19
KnownPart
16
MissingPart
3
Difficulty
normal

Complete the number bond: 16 = __ + 8

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Answer: 8

SubType
number-bonds
Total
16
KnownPart
8
MissingPart
8
Difficulty
normal

Number bond: 6 = 5 + ?

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Answer: 1

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