Υπολογίζω με το πάτημα στη δεκάδα.

16-9= 7

16 -9

7

-6 -3

7+9= 16

7 +9

16

+3 10

+6 10

17-9 =

17 -9

- -

8+9=

+9

10 +

10

13-6=

13 -9

- -

7+6=

7 +6

+ 10

+ 10

+

Όνομα: ..................................................

6 + 7 = 13 – 7 = 16 + 7 = 23 – 7 = 8 + 4 = 12 – 4 = 18 + 4 = 22 – 4 =

5 + 6 = 11 – 6 = 15 + 6 = 21 – 6 = 9 + 5 = 14 – 5 = 19 + 5 = 24 – 5 =

23-5=

23 -5

- -

-

-

+

+

18+5=

18 +5

+ 20

+ 20

16+7=

16 +7

20 + +

+

23-7=

20 -

23

-

-7

+ +

-

-