Decimals slides

Percentage ratio decimals

By Marcia Collins

Multiple Choice

What is this ratio in its simplist form?

6:42

• 3:21

• 6:4

• 4:6

• 1:7

Multiple Choice

What is this fraction in its simplist form?

$$\frac{24}{60}$$  

• $$\frac{6}{15}$$  

• $$\frac{12}{30}$$  

• $$\frac{2}{5}$$  

• $$\frac{1}{6}$$  

Multiple Select

What is this fraction as a percentage?

$$\frac{1}{10}$$  

• 1%

• 10%

• 11%

• 99%

Multiple Choice

A class survey showed that 8 out of 25 students plan to travel over Thanksgiving break. How many students out of the 400 students in the entire school would you expect to be traveling over the break?

• 32 students

• 128 students

• 320 students

• 96 students

Multiple Choice

If 15 chocolate cakes will serve 120 people, how many cakes are needed for 152 people?

• 18 cakes

• 8 cakes

• 24 cakes

• 19 cakes

Multiple Choice

What is a Ratio?

• Is a comparison of two quantities 
• A rate with a denominator of one
• It is when the only factor the numerator and denominator share is a one 
• Two decimals that can be multiplied

Multiple Choice

In a bouquet of​ flowers, there are 7 daisies and 19 roses. Write the ratio of daisies to roses in three different ways.

• 19 to 7, 19:7, 19/7
• 19 to 7, 7:19, 7/19
• 7 to 19, 7:19, 7/19
• 7 to 19, 19:7, 19/7

Multiple Choice

^{What is the ratio of total shapes to circles?}

• 3 : 4

• 4 : 3

• 7 : 3

• 3 : 7

Multiple Choice

$279 for 9 concert tickets. Find the cost per ticket.

• $31

• $39

• $2,511

• $34