Unit 2.2 Test Review

Unit 2.2 Test Review

Percents <=> Decimals

To change a percent to a decimal, you move the decimal point two places to the left and take off the percent sign.

Multiple Choice

Express each percent as a decimal 22%.

• .22

• .022

• 22.00

• 2.2

Multiple Choice

Express each percent as a decimal 5%.

• .5

• .05

• 5.0

• .005

Multiple Choice

Kevin ate  $\frac{3}{5}$  of a bag of chips. What percentage is equivalent to the fraction of the bag of chips Kevin ate?

• 0.6%

• 8%

• 6%

• 60%

Multiple Choice

Which percentage is represented on the number line?

• $\frac{2}{10}\ =\ 0.2\ =\ 20\%$

• $\frac{2}{10}\ =\ 0.2\ =\ 2\%$

• $\frac{2}{10}\ =\ 0.02\ =\ 2\%$

Multiple Choice

Which percentage is represented on the number line?

• $\frac{2}{8}\ =\ 2.5\ =\ 250\%$

• $\frac{2}{8}\ =\ 0.025\ =\ 2.5\%$

• $\frac{2}{8}\ =\ 0.25\ =\ 25\%$

Multiplying Fractions

To multiply fractions, multiply straight across. You must convert the mixed numbers to improper fractions.

Multiple Choice

Chloe had 3/4 of a pizza left. Addie ate 1/5 of Chloe's pizza. How much pizza did Addie eat?

• 3/20 of the pizza

• 4/10 of the pizza

• 18/4 of the pizza

• 4/18 of the pizza

Multiple Choice

 Camilla's class played soccer of  $\frac{3}{7}$   hour. She played for  $\frac{1}{2}$   of the time. How much of the game did Camilla play?

•  $\frac{4}{9}$  hour

•  $\frac{3}{14}$  hour

•  $\frac{3}{7}$  hour

•  $\frac{6}{8}$  hour