Cálculo Mental

Les envío cálculo mental y solicito de la manera más atenta cada día dictar 5 de ellos, a una velocidad corrida y sólo repitiéndolos 2 veces; de esta manera reforzaremos escucha y retención de elementos. (Sólo de lunes a viernes)

20 – 4 + 3 = 19                18 + 2 – 3 = 17                15 – 4 + 5 = 16

 3 + 5 –  7 = 1                   8 + 4 – 5 =  7                   7 + 3 – 6 =   4

 8 –  3 + 5 = 10                 6 + 5 – 6 =  4                 16 – 6 + 8 =  18

15 + 1 – 2 = 14                10 + 1 – 2 = 9                 20 + 4 – 10 = 14

22 + 8 – 1 = 29                15 + 10 – 10 = 15            28  +  2 – 4 = 26

 3 + 12 – 1 + 4 = 18            9 + 20 – 2 + 3 = 30         15 + 10 – 1 + 6 = 30

28 – 10 + 2 – 8 = 12          13 – 10 + 7 + 2 = 12         24 – 1 + 3 – 6 = 20

 9 + 5 – 4 – 10 = 0             15 – 4 – 1 + 10 = 20         30 – 3 + 1 - 10  18

29 + 1 – 10 + 5 = 25          15 + 4 – 7 + 3 = 15          20 + 5 – 7 + 4 = 22

18 – 6 + 5 7 = 10               12 – 6 + 5 – 7 = 10           14 + 8 – 5 – 5 = 12

8 + 4 – 6 = 6                     7 – 5 + 7 = 9                     6 + 4 – 6 = 4

5 – 3 + 6 = 8                     3 + 6 – 5 = 4                     7 + 3 – 2 = 5

5 – 2 + 1 = 4                     3 + 3 – 5 = 1                     6 – 1 + 3 = 8

8 – 2 + 1 = 7                     5 + 4 – 3 = 6                     6 – 3 + 2 = 5

4 + 4 – 6 = 2                     7 – 2 + 4 = 9                     9 – 3 + 2 = 8

30 + 6 + 3 – 12 = 27            8 – 7 + 6 – 5 = 2               6 + 9 – 5 + 4 = 14

30 – 8 + 6 – 8 = 20            24 + 5 – 9 + 4 = 24            17 + 3 – 8 – 6 = 6

11 + 5 – 7 + 5 = 14           16 – 8 + 9 – 5 = 12              6 – 2 + 3 – 2 = 5

18 – 5 – 4 + 8 = 17            13 + 6 – 8 – 5 = 6               6 + 2 – 3 + 4 = 9

4 + 4 – 4 + 3 = 7                6 + 2 + 3 – 1 = 10             8 + 2 + 4 – 3 = 11