calculo mental

Curso 2013/2014

CEIP STO. TOMÁS DE AQUINO

CALCULO MENTAL

Operaciones bien hechas la última vez:

Operaciones bien hechas en 2 minutos:

2

1 + 3 =____________ 1 + 2 =____________ 1 + 0 =____________ 1 + 1 =____________ 1 + 4 =____________ 1 + 3 =____________ 1 + 1 =____________ 1 + 2 =____________ 1 + 3 =____________

1 + 4 =____________ 1 + 3 =____________ 1 + 0 =____________ 1 + 4 =____________ 1 + 2 =____________ 1 + 1 =____________ 2 + 1 =____________ 2 + 2 =____________ 2 + 0 =____________

2 + 2 =____________ 2 + 1 =____________ 2 + 3 =____________ 2 + 1 =____________ 2 + 4 =____________ 2 + 2 =____________ 2 + 0 =____________ 2 + 2 =____________ 2 + 3 =____________



3

2 + 2 =____________ 2 + 1 =____________ 2 + 3 =____________ 1 + 3 =____________ 2 + 2 =____________ 2 + 1 =____________ 3 + 0 =____________ 2 + 3 =____________ 3 + 0 =____________

1 + 3 =____________ 1 + 2 =____________ 0 + 3 =____________ 3 + 0 =____________ 2 + 1 =____________ 3 + 1 =____________ 1 + 1 =____________ 1 + 2 =____________ 1 + 3 =____________

2 + 1 =____________ 0 + 1 =____________ 2 + 1 =____________ 1 + 3 =____________ 0 + 4 =____________ 2 + 1 =____________ 1 + 3 =____________ 3 + 1 =____________ 4 + 1 =____________



4

2 - 1 =____________ 2 - 0 =____________ 3 - 1 =____________ 3 - 2 =____________ 3 - 1 =____________ 2 - 2 =____________ 3 - 2 =____________ 3 - 1 =____________ 2 - 1 =____________

1 - 1 =____________ 3 - 2 =____________ 2 - 1 =____________ 3 - 3 =____________ 1 - 0 =____________ 3 - 3 =____________ 3 - 2 =____________ 2 - 2 =____________ 3 - 1 =____________

2 - 1 =____________ 3 - 2 =____________ 4 - 3 =____________ 3 - 2 =____________ 4 - 1 =____________ 2 - 2 =____________ 3 - 2 =____________ 3 - 1 =____________ 3 - 3 =____________



5

1 - 0 =____________ 2 - 1 =____________ 3 - 2 =____________ 3 - 2 =____________ 2 - 1 =____________ 4 - 1 =____________ 4 - 2 =____________ 4 - 4 =____________ 3 - 3 =____________

2 - 0 =____________ 3 - 0 =____________ 4 - 4 =____________ 3 - 2 =____________ 4 - 3 =____________ 2 - 1 =____________ 3 - 2 =____________ 3 - 1 =____________ 4 - 3 =____________

4 - 2 =____________ 4 - 1 =____________ 3 - 1 =____________ 2 - 1 =____________ 4 - 2 =____________ 3 - 2 =____________ 2 - 2 =____________ 3 - 0 =____________ 4 - 0 =____________



6

2 + 3 =____________ 2 + 2 =____________ 2 + 0 =____________ 2 + 1 =____________ 2 + 4 =____________ 2 + 3 =____________ 2 + 1 =____________ 2 + 2 =____________ 2 + 3 =____________

2 + 4 =____________ 2 + 3 =____________ 2 + 0 =____________ 2 + 4 =____________ 2 + 2 =____________ 2 + 1 =____________ 1 + 5 =____________ 1 + 2 =____________ 1 + 3 =____________

1 + 2 =____________ 1 + 1 =____________ 1 + 4 =____________ 1 + 2 =____________ 1 + 5 =____________ 1 + 3 =____________ 1 + 0 =____________ 1 + 2 =____________ 1 + 3 =____________



7

1 + 5 =____________ 1 + 1 =____________ 1 + 2 =____________ 3 + 3 =____________ 3 + 1 =____________ 3 + 0 =____________ 3 + 2 =____________ 3 + 3 =____________ 3 + 2 =____________

3 + 1 =____________ 3 + 3 =____________ 3 + 2 =____________ 3 + 0 =____________ 3 + 3 =____________ 3 + 1 =____________ 3 + 4 =____________ 3 + 2 =____________ 3 + 0 =____________

4 + 2 =____________ 4 + 0 =____________ 4 + 1 =____________ 4 + 3 =____________ 4 + 2 =____________ 4 + 1 =____________ 4 + 4 =____________ 4 + 3 =____________ 4 + 1 =____________



8

4 - 3 =____________ 3 - 0 =____________ 4 - 1 =____________ 3 - 3 =____________ 4 - 1 =____________ 3 - 2 =____________ 2 - 2 =____________ 1 - 1 =____________ 4 - 2 =____________

3 - 2 =____________ 3 - 1 =____________ 2 - 1 =____________ 3 - 3 =____________ 1 - 0 =____________ 4 - 2 =____________ 5 - 1 =____________ 4 - 4 =____________ 4 - 2 =____________

5 - 2 =____________ 2 - 1 =____________ 4 - 3 =____________ 3 - 2 =____________ 2 - 0 =____________ 5 - 4 =____________ 2 - 2 =____________ 3 - 1 =____________ 5 - 3 =____________



9

4 - 0 =____________ 3 - 1 =____________ 4 - 1 =____________ 6 - 2 =____________ 5 - 1 =____________ 4 - 1 =____________ 3 - 2 =____________ 5 - 4 =____________ 6 - 3 =____________

5 - 2 =____________ 4 - 3 =____________ 6 - 4 =____________ 3 - 2 =____________ 5 - 3 =____________ 4 - 1 =____________ 4 - 2 =____________ 6 - 5 =____________ 4 - 4 =____________

4 - 3 =____________ 6 - 6 =____________ 5 - 0 =____________ 4 - 2 =____________ 6 - 5 =____________ 5 - 2 =____________ 4 - 4 =____________ 3 - 1 =____________ 6 - 3 =____________



10

2 + 3 =____________ 2 + 6 =____________ 2 + 9 =____________ 2 + 5 =____________ 2 + 3 =____________ 2 + 5 =____________ 2 + 4 =____________ 2 + 9 =____________ 2 + 6 =____________

2 + 7 =____________ 2 + 5 =____________ 2 + 0 =____________ 2 + 4 =____________ 2 + 7 =____________ 2 + 3 =____________ 1 + 6 =____________ 1 + 9 =____________ 1 + 7 =____________

1 + 3 =____________ 1 + 1 =____________ 1 + 8 =____________ 1 + 4 =____________ 1 + 5 =____________ 1 + 6 =____________ 1 + 0 =____________ 1 + 2 =____________ 1 + 3 =____________



11

1 + 5 =____________ 1 + 8 =____________ 1 + 7 =____________ 3 + 3 =____________ 3 + 6 =____________ 3 + 9 =____________ 3 + 2 =____________ 3 + 8 =____________ 3 + 7 =____________

3 + 3 =____________ 3 + 5 =____________ 3 + 4 =____________ 3 + 0 =____________ 3 + 3 =____________ 3 + 6 =____________ 3 + 7 =____________ 3 + 2 =____________ 3 + 0 =____________

4 + 2 =____________ 4 + 5 =____________ 4 + 1 =____________ 4 + 3 =____________ 4 + 8 =____________ 4 + 7 =____________ 4 + 9 =____________ 4 + 6 =____________ 4 + 5 =____________



12

5 - 4 =____________ 5 - 5 =____________ 5 - 1 =____________ 4 - 3 =____________ 5 - 2 =____________ 5 - 1 =____________ 3 - 1 =____________ 2 - 2 =____________ 5 - 3 =____________

4 - 2 =____________ 4 - 3 =____________ 4 - 0 =____________ 3 - 0 =____________ 2 - 1 =____________ 5 - 1 =____________ 7 - 6 =____________ 6 - 5 =____________ 4 - 2 =____________

2 - 1 =____________ 1 - 1 =____________ 3 - 2 =____________ 5 - 1 =____________ 6 - 1 =____________ 5 - 4 =____________ 2 - 0 =____________ 6 - 5 =____________ 6 - 5 =____________



13

5 - 0 =____________ 3 - 1 =____________ 4 - 4 =____________ 9 - 7 =____________ 9 - 1 =____________ 5 - 1 =____________ 5 - 3 =____________ 7 - 5 =____________ 7 - 3 =____________

4 - 0 =____________ 4 - 2 =____________ 7 - 4 =____________ 6 - 5 =____________ 6 - 3 =____________ 4 - 1 =____________ 4 - 3 =____________ 8 - 6 =____________ 8 - 2 =____________

8 - 3 =____________ 10 - 7 =____________ 10 - 9 =____________ 9 - 6 =____________ 7 - 4 =____________ 9 - 7 =____________ 6 - 5 =____________ 7 - 3 =____________ 10 - 3 =____________



14

8 + 3 =____________ 8 + 6 =____________ 8 + 9 =____________ 8 + 5 =____________ 8 + 3 =____________ 8 + 5 =____________ 8 + 4 =____________ 8 + 9 =____________ 8 + 6 =____________

8 + 7 =____________ 8 + 5 =____________ 8 + 8 =____________ 8 + 4 =____________ 8 + 7 =____________ 8 + 3 =____________ 5 + 6 =____________ 5 + 9 =____________ 5 + 7 =____________

5 + 3 =____________ 5 + 6 =____________ 5 + 8 =____________ 5 + 7 =____________ 5 + 5 =____________ 5 + 6 =____________ 5 + 3 =____________ 5 + 9 =____________ 5 + 3 =____________



15

5 + 5 =____________ 5 + 8 =____________ 5 + 7 =____________ 9 + 3 =____________ 9 + 6 =____________ 9 + 9 =____________ 9 + 2=____________ 9 + 8 =____________ 9 + 7 =____________

9 + 3 =____________ 9 + 5 =____________ 9 + 4 =____________ 9 + 8 =____________ 9 + 3 =____________ 9 + 6 =____________ 9 + 7 =____________ 9 + 2 =____________ 9 + 9 =____________

4 + 2 =____________ 4 + 5 =____________ 4 + 8 =____________ 4 + 3 =____________ 4 + 8 =____________ 4 + 7 =____________ 4 + 9 =____________ 4 + 6 =____________ 4 + 5 =____________



16

7 - 4 =____________ 9 - 5 =____________ 8 - 7 =____________ 9 - 6 =____________ 8 - 6 =____________ 10 - 7 =____________ 9 - 5 =____________ 9 - 2 =____________ 10 - 7 =____________

8 - 4 =____________ 10 - 5 =____________ 6 - 4 =____________ 8 - 5 =____________ 7 - 2 =____________ 9 - 3 =____________ 7 - 6 =____________ 8 - 5 =____________ 7 - 4 =____________

10 - 8 =____________ 9 - 2 =____________ 7 - 4 =____________ 10 - 6 =____________ 8 - 3 =____________ 5 - 2 =____________ 10 - 3 =____________ 8 - 7 =____________ 10 - 5 =____________



17

7 - 3 =____________ 6 - 2 =____________ 9 - 4 =____________ 9 - 7 =____________ 8 - 6 =____________ 9 - 2 =____________ 10 - 4 =____________ 9 - 7 =____________ 10 - 3 =____________

7 - 5 =____________ 9 - 8 =____________ 7 - 4 =____________ 7 - 5 =____________ 7 - 2 =____________ 4 - 3 =____________ 10 - 5 =____________ 7 - 4 =____________ 6 - 2 =____________

8 - 3 =____________ 10 - 7 =____________ 10 - 9 =____________ 8 - 6 =____________ 10 - 8 =____________ 9 - 7 =____________ 8 - 5 =____________ 7 - 3 =____________ 10 - 3 =____________



18

1 x 8 =____________ 2 x 7 =____________ 3 x 5 =____________ 2 x 8 =____________ 3 x 9 =____________ 2 x 4 =____________ 1 x 5 =____________ 4 x 3 =____________ 2 x 9 =____________

3 x 8 =____________ 2 x 3 =____________ 5 x 1 =____________ 4 x 0 =____________ 8 x 2 =____________ 5 x 4 =____________ 2 x 4 =____________ 3 x 7 =____________ 2 x 2 =____________

2 x 6 =____________ 3 x 6 =____________ 1 x 7 =____________ 1 x 3 =____________ 5 x 2 =____________ 5 x 3 =____________ 4 x 6 =____________ 3 x 7 =____________ 2 x 9 =____________



19

1 x 6 =____________ 2 x 6 =____________ 2 x 8 =____________ 2 x 6 =____________ 2 x 7 =____________ 1 x 9 =____________ 2 x 5 =____________ 3 x 7 =____________ 3 x 5 =____________

5 x 8 =____________ 5 x 2 =____________ 4 x 5 =____________ 4 x 2 =____________ 3 x 9 =____________ 3 x 8 =____________ 2 x 2 =____________ 2 x 5 =____________ 3 x 9 =____________

2 x 4 =____________ 4 x 0 =____________ 5 x 8 =____________ 4 x 4 =____________ 3 x 3 =____________ 2 x 7 =____________ 1 x 7 =____________ 5 x 7 =____________ 5 x 3 =____________



20

9 + 3 =____________ 9 + 6 =____________ 9 + 9 =____________ 9 + 5 =____________ 9 + 3 =____________ 9 + 5 =____________ 9 + 4 =____________ 9 + 9 =____________ 9 + 6 =____________

9 + 7 =____________ 9 + 5 =____________ 9 + 9 =____________ 9 + 4 =____________ 9 + 7 =____________ 9 + 3 =____________ 6 + 4 =____________ 6 + 9 =____________ 6 + 7 =____________

6 + 3 =____________ 6 + 6 =____________ 6 + 8 =____________ 6 + 7 =____________ 6 + 5 =____________ 6 + 6 =____________ 6 + 3 =____________ 6 + 9 =____________ 6 + 3 =____________



21

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

3 + 3 =____________ 3 + 5 =____________ 3 + 4 =____________ 3 + 8 =____________ 3 + 3 =____________ 3 + 6 =____________ 3 + 7 =____________ 3 + 2 =____________ 3 + 9 =____________

5 + 2 =____________ 5 + 5 =____________ 5 + 8 =____________ 5 + 3 =____________ 5 + 8 =____________ 5 + 7 =____________ 5 + 9 =____________ 5 + 6 =____________ 5 + 5 =____________



22

7 - 4 =____________ 7 - 5 =____________ 13 - 7 =____________ 17 - 6 =____________ 9 - 7 =____________ 10 - 7 =____________ 7 - 5 =____________ 12 - 7 =____________ 11 - 7 =____________

8 - 4 =____________ 13 - 5 =____________ 6 - 4 =____________ 14 - 8 =____________ 17 - 2 =____________ 7 - 3 =____________ 7 - 6 =____________ 13 - 5 =____________ 8 - 5 =____________

15 - 8 =____________ 10 - 6 =____________ 7 - 4 =____________ 17 - 6 =____________ 13 - 8 =____________ 5 - 2 =____________ 14 - 3 =____________ 8 - 7 =____________ 11 - 5 =____________



23

17 - 6 =____________ 7 - 2 =____________ 17 - 4 =____________ 12 - 7 =____________ 14 - 7 =____________ 6 - 2 =____________ 13 - 4 =____________ 7 - 7 =____________ 15 - 3 =____________

14 - 5 =____________ 9 - 8 =____________ 17 - 4 =____________ 7 - 5 =____________ 13 - 6 =____________ 4 - 3 =____________ 17 - 5 =____________ 11 - 6 =____________ 6 - 2 =____________

8 - 3 =____________ 16 - 7 =____________ 18 - 6 =____________ 8 - 6 =____________ 17 - 8 =____________ 17 - 7 =____________ 18 - 5 =____________ 17 - 3 =____________ 10 - 3 =____________



24

2 x 8 =____________ 5 x 7 =____________ 4 x 5 =____________ 7 x 8 =____________ 3 x 9 =____________ 8 x 4 =____________ 9 x 5 =____________ 6 x 3 =____________ 4 x 9 =____________

3 x 8 =____________ 4 x 3 =____________ 8 x 6 =____________ 6 x 5 =____________ 8 x 5 =____________ 9 x 4 =____________ 7 x 4 =____________ 3 x 7 =____________ 9 x 2 =____________

4 x 8 =____________ 6 x 6 =____________ 7 x 2 =____________ 8 x 3 =____________ 7 x 6 =____________ 9 x 3 =____________ 5 x 6 =____________ 9 x 7 =____________ 2 x 9 =____________



25

3 x 6 =____________ 2 x 6 =____________ 8 x 8 =____________ 9 x 6 =____________ 4 x 7 =____________ 8 x 9 =____________ 3 x 5 =____________ 7 x 7 =____________ 5 x 5 =____________

9 x 8 =____________ 6 x 2 =____________ 7 x 5 =____________ 4 x 2 =____________ 7 x 9 =____________ 5 x 8 =____________ 8 x 2 =____________ 2 x 5 =____________ 6 x 9 =____________

2 x 4 =____________ 4 x 4 =____________ 7 x 8 =____________ 5 x 4 =____________ 2 x 3 =____________ 8 x 7 =____________ 6 x 7 =____________ 3 x 7 =____________ 5 x 3 =____________



26

28 : 7 =____________ 12 : 4 =____________ 72 : 8 =____________ 27 : 9 =____________ 27 : 3 =____________ 36 : 6 =____________ 27 : 9 =____________ 24 : 6 =____________ 14 : 7 =____________

30 : 6 =____________ 18 : 9 =____________ 16 : 4 =____________ 40 : 8 =____________ 48 : 6 =____________ 50 : 5 =____________ 24 : 8 =____________ 36 : 9 =____________ 40 : 8 =____________

28 : 7 =____________ 63 : 9 =____________ 24 : 3 =____________ 18 : 6 =____________ 42 : 7 =____________ 48 : 6 =____________ 81 : 9 =____________ 32 : 8 =____________ 28 : 7 =____________



27

72 : 8 =____________ 12 : 3 =____________ 36 : 6 =____________ 12 : 4 =____________ 21 : 7 =____________ 30 : 5 =____________ 24 : 8 =____________ 27 : 3 =____________ 28 : 4 =____________

21 : 3 =____________ 18 : 3 =____________ 15 : 5 =____________ 72 : 9 =____________ 48 : 6 =____________ 24 : 4 =____________ 21 : 7 =____________ 40 : 8 =____________ 24 : 4 =____________

18 : 3 =____________ 18 : 2 =____________ 80 : 8 =____________ 35 : 5 =____________ 16 : 4 =____________ 72 : 8 =____________ 40 : 5 =____________ 24 : 6 =____________ 16 : 2 =____________



28

7 + 3 =____________ 7 + 6 =____________ 7 + 9 =____________ 7 + 5 =____________ 7 + 3 =____________ 7 + 5 =____________ 7 + 4 =____________ 7 + 9 =____________ 7 + 6 =____________

7 + 4 =____________ 7 + 5 =____________ 7 + 6 =____________ 7 + 4 =____________ 7 + 7 =____________ 7 + 3 =____________ 9 + 6 =____________ 9 + 2 =____________ 9 + 7 =____________

9 + 3 =____________ 9 + 6 =____________ 9 + 8 =____________ 9 + 7 =____________ 9 + 9 =____________ 9 + 6 =____________ 9 + 3 =____________ 9 + 4 =____________ 9 + 3 =____________



29

9 + 5 =____________ 9 + 8 =____________ 9 + 7 =____________ 6 + 3 =____________ 6 + 6 =____________ 6 + 9 =____________ 6 + 2=____________ 6 + 8 =____________ 6 + 7 =____________

6 + 3 =____________ 6 + 5 =____________ 6 + 4 =____________ 6 + 8 =____________ 6 + 3 =____________ 6 + 6 =____________ 6 + 7 =____________ 6 + 2 =____________ 6 + 9 =____________

8 + 2 =____________ 8 + 5 =____________ 8 + 8 =____________ 8 + 3 =____________ 8 + 8 =____________ 8 + 7 =____________ 8 + 9 =____________ 8 + 6 =____________ 8 + 5 =____________



30

9 - 4 =____________ 9 - 5 =____________ 13 - 7 =____________ 16 - 9 =____________ 9 - 6 =____________ 10 - 7 =____________ 9 - 5 =____________ 12 - 9 =____________ 11 - 7 =____________

8 - 4 =____________ 13 - 5 =____________ 6 - 4 =____________ 14 - 8 =____________ 17 - 2 =____________ 9 - 3 =____________ 7 - 6 =____________ 13 - 5 =____________ 8 - 5 =____________

15 - 8 =____________ 10 - 6 =____________ 7 - 4 =____________ 16 - 6 =____________ 13 - 8 =____________ 5 - 2 =____________ 14 - 3 =____________ 8 - 7 =____________ 11 - 5 =____________



31

17 - 9 =____________ 7 - 2 =____________ 19 - 4 =____________ 12 - 7 =____________ 14 - 6 =____________ 9 - 2 =____________ 13 - 4 =____________ 9 - 7 =____________ 15 - 3 =____________

14 - 5 =____________ 9 - 8 =____________ 17 - 4 =____________ 7 - 5 =____________ 13 - 9 =____________ 4 - 3 =____________ 17 - 5 =____________ 11 - 9 =____________ 6 - 2 =____________

8 - 3 =____________ 16 - 7 =____________ 18 - 9 =____________ 8 - 6 =____________ 17 - 8 =____________ 19 - 7 =____________ 18 - 5 =____________ 17 - 3 =____________ 10 - 3 =____________



32

9 x 8 =____________ 5 x 8 =____________ 4 x 5 =____________ 8 x 9 =____________ 3 x 9 =____________ 8 x 4 =____________ 9 x 5 =____________ 6 x 4 =____________ 4 x 9 =____________

7 x 8 =____________ 4 x 3 =____________ 8 x 6 =____________ 6 x 5 =____________ 8 x 6=____________ 9 x 4 =____________ 8 x 5 =____________ 3 x 8 =____________ 9 x 6 =____________

4 x 8 =____________ 6 x 6 =____________ 9 x 8 =____________ 8 x 3 =____________ 7 x 6 =____________ 9 x 3 =____________ 5 x 6 =____________ 7 x 9 =____________ 2 x 9 =____________



33

3 x 6 =____________ 9 x 6 =____________ 8 x 8 =____________ 9 x 6 =____________ 4 x 8 =____________ 8 x 9 =____________ 3 x 5 =____________ 8 x 7 =____________ 5 x 5 =____________

9 x 8 =____________ 6 x 9 =____________ 7 x 5 =____________ 4 x 9 =____________ 8 x 9 =____________ 5 x 8 =____________ 8 x 9 =____________ 9 x 5 =____________ 9 x 9 =____________

9 x 5 =____________ 4 x 6 =____________ 6 x 8 =____________ 5 x 4 =____________ 9 x 3 =____________ 8 x 7 =____________ 6 x 8 =____________ 3 x 8 =____________ 5 x 3 =____________



34

56 : 7 =____________ 36 : 4 =____________ 64 : 8 =____________ 54 : 9 =____________ 27 : 3 =____________ 36 : 6 =____________ 45 : 9 =____________ 48 : 6 =____________ 49 : 7 =____________

24 : 6 =____________ 63 : 9 =____________ 16 : 4 =____________ 24 : 8 =____________ 42 : 6 =____________ 45 : 5 =____________ 24 : 8 =____________ 72 : 9 =____________ 56 : 8 =____________

28 : 7 =____________ 36 : 9 =____________ 24 : 3 =____________ 30 : 6 =____________ 35 : 7 =____________ 18 : 6 =____________ 81 : 9 =____________ 40 : 8 =____________ 21 : 7 =____________



35

64 : 8 =____________ 18 : 3 =____________ 32 : 4 =____________ 12 : 3 =____________ 18 : 9 =____________ 42 : 6 =____________ 24 : 8 =____________ 30 : 3 =____________ 20 : 4 =____________

16 : 8 =____________ 24 : 3 =____________ 15 : 3 =____________ 27 : 9 =____________ 48 : 6 =____________ 24 : 4 =____________ 42 : 7 =____________ 40 : 8 =____________ 28 : 4 =____________

18 : 2 =____________ 16 : 2 =____________ 80 : 8 =____________ 25 : 5 =____________ 6 : 2 =____________ 72 : 4 =____________ 50 : 5 =____________ 54 : 6 =____________ 12 : 4 =____________



36

16 + 4 =___________ 18 + 2 =___________ 12 + 6 =___________ 14 + 4 =___________ 14 + 6 =___________ 12 + 3 =___________ 16 + 7 =___________ 18 + 5 =___________ 12 + 9 =___________

14 + 1 =___________ 14 + 8 =___________ 12 + 6 =___________ 16 + 9 =___________ 18 + 3 =___________ 16 + 2 =___________ 15 + 4 =___________ 17 + 2 =___________ 11 + 6 =___________

13 + 4 =___________ 17 + 6 =___________ 12 + 3 =___________ 19 + 7 =___________ 13 + 5 =___________ 15 + 9 =___________ 19 + 1 =___________ 17 + 8 =___________ 13 + 6 =___________



37

11 + 9 =___________ 17 + 3 =___________ 15 + 2 =___________ 16 + 5 =___________ 17 + 2 =___________ 12 + 6 =___________ 13 + 7 =___________ 14 + 6 =___________ 12 + 9 =___________

19 + 4 =___________ 18 + 2 =___________ 15 + 7 =___________ 14 + 4 =___________ 17 + 8 =___________ 12 + 8 =___________ 11 + 7 =___________ 18 + 2 =___________ 15 + 4 =___________

15 + 4 =___________ 18 + 2 =___________ 11 + 5 =___________ 14 + 7 =___________ 17 + 4 =___________ 12 + 4 =___________ 19 + 4 =___________ 18 + 9 =___________ 12 + 9 =___________



38

9 x 4 =___________ 15 x 2 =___________ 10 x 3 =___________ 9 x 4 =___________ 11 x 6 =___________ 8 x 4 =___________ 9 x 7 =___________ 8 x 9 =___________ 11 x 6 =___________

7 x 6 =___________ 6 x 9 =___________ 10 x 4 =___________ 15 x 3 =___________ 7 x 4 =___________ 11 x 6 =___________ 9 x 2 =___________ 8 x 2 =___________ 7 x 3 =___________

4 x 9 =___________ 9 x 6 =___________ 15 x 2 =___________ 12 x 2 =___________ 5 x 3 =___________ 3 x 8 =___________ 10 x 2 =___________ 14 x 2 =___________ 8 x 6 =___________



39

6 x 7 =___________ 7 x 8 =___________ 9 x 4 =___________ 14 x 2 =___________ 15 x 2 =___________ 10 x 5 =___________ 8 x 4 =___________ 9 x 6 =___________ 7 x 4 =___________

6 x 9 =___________ 15 x 3 =___________ 12 x 2 =___________ 8 x 6 =___________ 4 x 9 =___________ 7 x 5 =___________ 15 x 3 =___________ 9 x 7 =___________ 7 x 6 =___________

6 x 3 =___________ 8 x 9 =___________ 7 x 4 =___________ 4 x 8 =___________ 9 x 6 =___________ 7 x 6 =___________ 10 x 9 =___________ 15 x 2 =___________ 8 x 3 =___________



40

12 : 2 =___________ 18 : 3 =___________ 12 : 4 =___________ 24 : 6 =___________ 54 : 9 =___________ 40 : 4 =___________ 36 : 9 =___________ 14 : 2 =___________ 12 : 2 =___________

32 : 4 =___________ 64 : 8 =___________ 28 : 4 =___________ 36 : 6 =___________ 28 : 7 =___________ 28 : 4 =___________ 15 : 5 =___________ 24 : 2 =___________ 12 : 6 =___________

25 : 5 =___________ 72 : 9 =___________ 80 : 8 =___________ 56 : 7 =___________ 36 : 6 =___________ 56 : 8 =___________ 63 : 9 =___________ 60 : 6 =___________ 32 : 8 =___________

calculo mental

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