medium Set 89 Form Exercise

Complete the 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

10 = 4 + __

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Answer: 6

SubType
number-bonds
Total
10
KnownPart
4
MissingPart
6
Difficulty
medium

4 = __ + 1

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Answer: 3

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

10 = 1 + __

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Answer: 9

SubType
number-bonds
Total
10
KnownPart
1
MissingPart
9
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: 4 = 1 + ?

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Answer: 3

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