Multiplying and dividing Rational Numbers

Authored by Marqueis Smith

Mathematics

6th - 9th Grade

Used 1+ times

Multiplying and dividing Rational Numbers

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20 questions

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MULTIPLE CHOICE QUESTION

30 sec • 5 pts

When multiplying fractions you do what?

KCF

Find the least common denominator

Multiply all of the numbers together

Multiply top times top and bottom times bottom

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

A negative divided by a positive is a ________

positive

negative

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the sign of:
the product of two positive numbers?

Positive

Negative

Zero

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

$\frac{2}{5}\ \times\ \frac{-1}{2}$

$\frac{-2}{5}$

$\frac{1}{10}$

$\frac{-1}{5}$

$\frac{2}{10}$

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

Make sure your final answer is in simplest form.

-\frac{7}{8}

$\frac{7}{8}$

$-\frac{63}{72}$

$\frac{63}{72}$

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

$\frac{1}{5}\div\frac{-2}{5}$

$\frac{-1}{2}$

$\frac{2}{10}$

$\frac{1}{5}$

$\frac{5}{10}$

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Divide.

-1/10

-5/8

-2/20

5/8

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Simplify all fractions and write improper fractions as mixed numbers.
Write your question here

$\frac{4}{12}$

$\frac{-4}{12}$

$\frac{1}{3}$

$\frac{-1}{3}$

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

$\frac{-2}{3}\times\frac{2}{9}$

$-3$

$\frac{4}{27}$

$\frac{-4}{27}$

$3$

10.

FILL IN THE BLANKS QUESTION

30 sec • 5 pts

$-6\cdot-11$

(a)

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Multiplying and dividing Rational Numbers

When multiplying fractions you do what?

A negative divided by a positive is a ________

What is the sign of:the product of two positive numbers?

25 × −12\frac{2}{5}\ \times\ \frac{-1}{2}52​ × 2−1​

Make sure your final answer is in simplest form.

15÷−25\frac{1}{5}\div\frac{-2}{5}51​÷5−2​

Divide.

Simplify all fractions and write improper fractions as mixed numbers.Write your question here

−23×29\frac{-2}{3}\times\frac{2}{9}3−2​×92​

−6⋅−11-6\cdot-11−6⋅−11 (a)

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What is the sign of:
the product of two positive numbers?

$\frac{2}{5}\ \times\ \frac{-1}{2}$

$\frac{1}{5}\div\frac{-2}{5}$

Simplify all fractions and write improper fractions as mixed numbers.
Write your question here

$\frac{-2}{3}\times\frac{2}{9}$

$-6\cdot-11$

(a)