medium Set 77 Form Exercise

4 = __ + 2

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Answer: 2

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

Number bond: 4 = ? + 1

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Answer: 3

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

6 = 2 + __

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Answer: 4

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

Number bond: 4 = 1 + ?

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Answer: 3

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

17 = __ + 4

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Answer: 13

SubType
number-bonds
Total
17
KnownPart
4
MissingPart
13
Difficulty
normal

10 = __ + 1

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Answer: 9

SubType
number-bonds
Total
10
KnownPart
1
MissingPart
9
Difficulty
normal

Number bond: 18 = ? + 7

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Answer: 11

SubType
number-bonds
Total
18
KnownPart
7
MissingPart
11
Difficulty
normal

20 = __ + 10

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Answer: 10

SubType
number-bonds
Total
20
KnownPart
10
MissingPart
10
Difficulty
normal