Math Exam on Ratios

Kelly has 10 apps on her iPad. 5 are school apps, 2 are music apps, and 3 are games. What is the ratio of music apps to all apps?

• 5 to 2

• 10:5

• 3:20

• 1 to 5

What is a Ratio?

• Is a relationship of two or more numbers by division

• To multiply two fractions

• two ratios that are equivalent

• comparing numbers using > , < , or =

Use cross multiplication or 'W' method to determine if these ratios are equivalent:

2/3 = 10/15

• no

• yes

Write the ratio in simplest form.

24 players : 3 teams

• 8:3

• 8 to 1

• 8 for 1

• 8/3

How many ways can you write a ratio

• 1

• 3

• 2

• 4

When writing a ratio, the order doesn't matter as long as the ratio is in lowest terms.

• True

• False

There are 44 collies and 56 poodles. Which is the correct ratio for poodles to total number of dogs?

• 156:100

• 44:100

• 56:100

• 56

Which of the following ratios are equivalent?

• 1:3 and 3:1

• 4:6 and 8:6

• 8:7 and 16:12

• 22:14 and 11:7

Which of the following is not a way to compare ratios?

• part to part

• whole to part

• whole to whole

• part to whole

What is the ratio of triangles to squares?

• 2:6

• 5:6

• 3:4

• 4:3