Simple operations 3


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 .

2 + 8 =

4 + 7 =

6 + 5 =

8 + 4 =

10 + 8 =

8 - 3 =

15 - 5 =

14 - 7

13 - 9

18 - 11 =

3 + 1 =

5 + 5 =

7 + 6 =

9 + 4 =

11 + 6 =

4 - 2 =

13 - 4 =

11 - 6 =

10 - 8 =

17 - 10 =

5 - 3 =

4 + 5 =

6 + 7 =

8 + 8 =

10 + 4 =

2 + 1 =

9 - 5 =

12 - 7 =

17 - 9 =

16 - 11 =

12 - 2 =

3 + 6 =

5 + 2 =

7 + 8 =

9 + 8 =

11 + 8 =

11 - 4 =

8 - 6 =

18 - 8 =

15 - 10 =



 


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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