medium Set 78 Form Exercise

3 = 2 + __

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Answer: 1

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

Number bond: 4 = 1 + ?

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Answer: 3

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

Number bond: 4 = ? + 3

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Answer: 1

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

Number bond: 2 = ? + 1

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Answer: 1

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

Number bond: 9 = ? + 4

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Answer: 5

SubType
number-bonds
Total
9
KnownPart
4
MissingPart
5
Difficulty
medium

Number bond: 6 = ? + 5

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Answer: 1

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

7 = 6 + __

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Answer: 1

SubType
number-bonds
Total
7
KnownPart
6
MissingPart
1
Difficulty
medium