Addition with 9 & 10 Flashcards by George McDonough

Q

9

+ 10

A

19

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2

3

4

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Perfectly

Q

9

+ 9

A

18

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

10

+ 9

A

19

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

10

+ 10

A

20

How well did you know this?

1

Not at all

2

3

4

5

Perfectly