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