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CALCULO MENTAL

Authored by Yanet Martinez

Mathematics

6th - 12th Grade

Used 155+ times

CALCULO MENTAL
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(22)(23)(2)

162

25

26

20

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 32+22+903^2+2^2+9^0  

14

13

11

19

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 12+34\frac{1}{2}+\frac{3}{4}  

 46\frac{4}{6}  

 64\frac{6}{4}  

 54\frac{5}{4}  

1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  32-\ 3^2  

9

6

 9-9  

 6-6  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 14.25\frac{1}{4}-.25  

1

 24\frac{2}{4}  

0

 14-\frac{1}{4}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3x +1= 3 ¿cuaˊl es el valor de x?3x\ +1=\ 3\ ¿cuál\ es\ el\ valor\ de\ x?  

0.333

1

 13\frac{1}{3}  

 23\frac{2}{3}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 ¿cuaˊl sera el perimetro de un hexgano que mide por lado 2x?¿cuál\ sera\ el\ perimetro\ de\ un\ hexgano\ que\ mide\ por\ lado\ 2x?  

 27x227x^2  

12x

 12x212x^2  

24x

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