Desafios de Matemática 9º Ano

Authored by ANA CRISTINA DELINSKI STIIRMER

Mathematics

9th Grade

Used 8+ times

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15 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resolva a equação: $2x + 5 = 13$

$x = 3$

$x = 4$

$x = 5$

$x = 6$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é 25% de 200?

100

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Converta a fração $\frac{3}{4}$ para decimal.

0,5

0,6

0,75

0,8

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Se 3 pacotes custam R$18,00, quanto custam 5 pacotes?

R$25,00

R$28,00

R$30,00

R$32,00

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resolva a equação: $3x - 7 = 2x + 5$

$x = 12$

$x = 10$

$x = 8$

$x = 6$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é a proporção equivalente a $\frac{2}{3}$ ?

$\frac{4}{6}$

$\frac{3}{5}$

$\frac{5}{7}$

$\frac{6}{9}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Converta 0,2 para fração.

$\frac{1}{2}$

$\frac{1}{3}$

$\frac{1}{4}$

$\frac{1}{5}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resolva a equação: $5x + 3 = 2x + 12$

$x = 1$

$x = 2$

$x = 3$

$x = 4$

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