CALCULO MENTAL SEXTO GRADO

A

1

32 x 1000

32000

1

56 x 100

5600

1

83X100

8300

1

42 x 1000

42000

1

95 x 100

9500

A

1

6,42 + 0,58

7

1

5.63 + 0.37

6

1

7.54 + 0.46

8

1

8.22 + 0.78

9

1

3.65 + 0.35

4

A

1

800 ÷ 40

20

1

600 ÷ 20

30

1

500 ÷ 10

50

1

900 ÷ 30

30

1

800 ÷20

40

A

1

1/2 + 1/6

8/12 o 4/6

1

1/8 + 1/4

12/32 o 3/8

1

1/4 + 1/2

6/8 o 3/4

1

1/6 + 1/4

24/10 al 12/5

1

1/3 + 1/6

9/18 o  3/6

A

1

1/4 x 2/3

2/12  o  1/6

1

2/4 x 3/5

6/20  o  3/10

1

1/2 x 4/3

4/6  o 2/3

1

4/5 x 3/2

12/10 o  6/5

1

2/6 x 3/4

6/24  o 1/4