Multiplying and Dividing Rational Numbers

Multiplying Rational Numbers

Sixth Grade

​Let's Warm Up

​Fill in the blank with the matching decimal or fraction.

Multiple Choice

Convert 0.17 into a simplified fraction

• $$\frac{17}{100}$$

• $$\frac{17}{10}$$

• $$\frac{17}{1000}$$

• $$\frac{8}{50}$$

Multiple Choice

Convert 1.3 into a simplified fraction

• $$\frac{1}{3}$$

• $$1\ \frac{3}{10}$$

• $$1\ \frac{1}{3}$$

• 13

Multiple Choice

Convert 2.05 into a simplified fraction

• $$\frac{25}{100}$$

• $$2\ \frac{1}{20}$$

• $$2\ \frac{1}{2}$$

• $$2\ \frac{5}{100}$$

Multiple Choice

Convert  $$4\ \frac{4}{5}$$   into a decimal

• 4.8

• 4.4

• 4.45

• 4.2

Multiple Choice

Convert 1.75 into a simplified fraction

• $$1\ \frac{3}{40}$$

• $$1\ \frac{75}{100}$$

• $$1\ \frac{75}{1000}$$

• $$1\ \frac{3}{4}$$

​Now let's practice multiplying and dividing ...

​What do you do when you see a fraction and a decimal in a multiplication problem?

​You choose to covert one so that you are working with both fractions and decimals.

​

Multiple Choice

Turkey is $1.59 per pound at HEB.  Alora buys a turkey that is 8 ¹/₂ pounds_.   How much does Alora spend on turkey?

• $13.52

• $135.15

• $13.04

• $130.40