1.          Порахувати кількість одиничок: 1, 1, 1, 1, 1, 1, 1, 1, 1

      а) 9;                                                                                                  б) 10;

2.          5 + 5 =

      а) 9;                                                                                                  б) 10;

3.          7 + 2 =

      а) 9;                                                                                                  б) 10;

4.          4 + 3 =

      а) 7;                                                                                                     б) 5;

5.          6 + 3 =

      а) 9;                                                                                                     б) 8;

6.          10 - 2 =

      а) 8;                                                                                                     б) 7;

7.          9 - 2 =

      а) 8;                                                                                                     б) 7;

8.          8 - 2 =

      а) 7;                                                                                                     б) 6;

9.          8 - 5 =

      а) 3;                                                                                                     б) 2;

10.      10 - 4 =

      а) 6;                                                                                                     б) 5;

11.      9 - 7 =

      а) 2;                                                                                                     б) 3;

12.      8 - 5 =

      а) 2;                                                                                                     б) 3;

Ключ до тесту