Simple operations 2


Tables of addition

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Tables of subtraction

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Instructions: Press one of the buttons on the right column The correct number is put in red .

3 + 8 =

5 + 7 =

7 + 11 =

9 + 10 =

11 + 11 =

7 - 2 =

7 - 4 =

13 - 6 =

13 - 8 =

19 - 10 =

2 + 10 =

4 + 3 =

6 + 10 =

8 + 2 =

10 + 11 =

12 - 3 =

10 - 5 =

10 - 7 =

11 - 9 =

14 - 11 =

3 + 4 =

5 + 9 =

7 + 3 =

9 + 2 =

11 + 3 =

9 - 2 =

15 - 4 =

15 - 6 =

15 - 8 =

13 - 10 =

2 + 4 =

4 + 9 =

6 + 2 =

8 + 10 =

10 + 6 =

10 - 3 =

7 - 5 =

16 - 7 =

19 - 9 =

20 - 11 =



 

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®Arturo Ramo García.-Record of intellectual property of Teruel (Spain) No 141, of 29-IX-1999
Plaza Playa de Aro, 3, 1º DO 44002-TERUEL