medium Set 31 Form Exercise

3 = 2 + __

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Answer: 1

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

Complete the number bond: 11 = __ + 10

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Answer: 1

SubType
number-bonds
Total
11
KnownPart
10
MissingPart
1
Difficulty
normal

9 = __ + 7

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Answer: 2

SubType
number-bonds
Total
9
KnownPart
7
MissingPart
2
Difficulty
normal

Number bond: 16 = 15 + ?

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Answer: 1

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

Number bond: 10 = ? + 3

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Answer: 7

SubType
number-bonds
Total
10
KnownPart
3
MissingPart
7
Difficulty
normal

20 = __ + 8

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Answer: 12

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

13 = __ + 4

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Answer: 9

SubType
number-bonds
Total
13
KnownPart
4
MissingPart
9
Difficulty
normal

Complete the number bond: 11 = 10 + __

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Answer: 1

SubType
number-bonds
Total
11
KnownPart
10
MissingPart
1
Difficulty
normal