medium Set 21 Form Exercise

17 = __ + 1

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Answer: 16

SubType
number-bonds
Total
17
KnownPart
1
MissingPart
16
Difficulty
normal

Complete the number bond: 19 = __ + 5

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Answer: 14

SubType
number-bonds
Total
19
KnownPart
5
MissingPart
14
Difficulty
normal

Number bond: 2 = 1 + ?

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Answer: 1

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

3 = __ + 1

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Answer: 2

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

Number bond: 15 = 2 + ?

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Answer: 13

SubType
number-bonds
Total
15
KnownPart
2
MissingPart
13
Difficulty
normal

Complete the number bond: 7 = 3 + __

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Answer: 4

SubType
number-bonds
Total
7
KnownPart
3
MissingPart
4
Difficulty
normal

Number bond: 14 = ? + 12

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Answer: 2

SubType
number-bonds
Total
14
KnownPart
12
MissingPart
2
Difficulty
normal

14 = __ + 11

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Answer: 3

SubType
number-bonds
Total
14
KnownPart
11
MissingPart
3
Difficulty
normal