Quiz Review

Quiz Review

Revision de prueba

Reciprocal

When you flip the fraction

Multiple Choice

What is the reciprocal of

 $\frac{9}{10}$  

•  $\frac{10}{9}$  

•  $\frac{1}{10}$  

Multiple Choice

What is the reciprocal of

 $\frac{3}{7}$  

•  $\frac{4}{7}$  

•  $\frac{7}{3}$  

Multiple Choice

What is the reciprocal of

 $\frac{15}{16}$  

•  $\frac{16}{15}$  

• 1 $\frac{1}{16}$  

Multiplying Fractions

Remember to multiply straight across. Then simplify.

Multiple Choice

Solve.

 $\frac{2}{3}\cdot\frac{4}{9}$  

•  $\frac{6}{12}$  

•  $\frac{8}{27}$  

•  $\frac{1}{2}$  

Dividing Fractions

KEEP, CHANGE, FLIP
-KEEP the 1st fraction
-CHANGE the division symbol to multiplication
-FLIP the second fraction (reciprocal)
-Simplify.

Multiple Choice

 $\frac{8}{9}divided\ by\ \frac{1}{3}$  

•  $\frac{8}{3}$  

•  $\frac{24}{9}$  

• 2  $\frac{2}{3}$  

Multiple Choice

 $\frac{3}{11}\div\frac{2}{8}$  

•  $\frac{1}{3}$  

• 1 $\frac{1}{11}$  

•  $\frac{24}{22}$  

Comparing and Ordering Rational Numbers

• Rational numbers are any numbers written as a fraction, decimal, and all integers

• All numbers MUST be in the same form

• (all fractions)/(all decimals)

• Least to Greatest (Smallest to Biggest)

• Greatest to Least (Larger to Smaller)

• > greater than, < less than, = equal to

Multiple Choice

Put the following rational numbers in ascending order.

0.3, -0.6,  $-\ \frac{3}{4}$  , 1  $\frac{1}{5}$  , -1

• -1,  $-\ \frac{3}{4}$  , -0.6, 1, 1 $\frac{1}{5}$  

• -1, -0.6,  $-\ \frac{3}{4}$  , 1, 1 $\frac{1}{5}$  

Multiplying Decimals

• Do NOT line up the decimals

• Multiply

• Put the same number of decimal places in the product

Multiple Choice

Solve 6.50 x 2

• 13

• 3.25

• 13.10