medium Set 21 Form Exercise

Complete the number bond: 3 = __ + 2

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Answer: 1

SubType
number-bonds
Total
3
KnownPart
2
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

3 = 1 + __

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Answer: 2

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

9 = 3 + __

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Answer: 6

SubType
number-bonds
Total
9
KnownPart
3
MissingPart
6
Difficulty
medium

Complete the number bond: 6 = __ + 3

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Answer: 3

SubType
number-bonds
Total
6
KnownPart
3
MissingPart
3
Difficulty
medium

Complete the number bond: 4 = 3 + __

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Answer: 1

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

Number bond: 8 = ? + 7

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Answer: 1

SubType
number-bonds
Total
8
KnownPart
7
MissingPart
1
Difficulty
medium

Number bond: 3 = 1 + ?

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Answer: 2

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