B2 CALCULO MENTAL 4 FEBRERO

B2 CALCULO MENTAL 4 FEBRERO

8th Grade

10 Qs

quiz-placeholder

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B2 CALCULO MENTAL 4 FEBRERO

B2 CALCULO MENTAL 4 FEBRERO

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

Gilberto Jimenez

Used 11+ times

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10 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

 (12 ) (72) =\left(\frac{1}{2}\ \right)\ \left(72\right)\ =  

2.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Si "x" es -4 y "a" es -8, ¿Cuál es el resultado de ax?

3.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

 152 = y +72   ¿Cuaˊnto vale y? \frac{15}{2}\ =\ y\ +\frac{7}{2}\ \ \ ¿Cuánto\ vale\ y?\   

4.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

 x2 = 64 ¿Cuaˊnto vale x? x^2\ =\ 64\ ¿Cuánto\ vale\ x?\   

5.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

50 -14x2 =

6.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

2x + 20 = 100 ¿Cuánto vale x?

7.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

-13m+9m=

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