Ratios and Rates

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

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7
• 7 to 5
• 5 to 12
• 7 to 12

Simplify the ratio of 35 : 14

• 5 : 2
• 2 : 5
• 3 : 1
• 35: 14

What is the value of B?

• 3
• 9
• 2
• 6

What is a Ratio?

• It's a comparison of two things
• Multiplying two fractions 
• A number over another number
• Two decimals that can be multiplied

What are the three ways to write a ratio?

• 2;3 , 2 to 3 , 2\3
• 2:3 , 2 to 3 , 2/3
• 2:3 , 2 too 3 , 2/3

What is the ratio of triangles to squares?

• 2:6
• 5:6
• 3:4
• 4:3

Write the ratio as a fraction in simplest form.
15 girls to 6 boys   

• 5 to 2
• 5/3
• 3 to 5
• 5/2

The ratio of elves to reindeer is 10: 3. Choose ALL of the equivalent ratios

• 100: 30

• 20: 6

• 40: 7

• 70: 21

Which car travelled at the highest speed?

• Car A

• Car B

• Car C

• Car D