Ratios Intro

Which sentence accurately represents the following ratio:

• The ratio of moons to suns is 4 to 8

• There are 4 moons for every 8 suns

• There are 4 moons for every 2 suns

• The ratio of suns to moons is 2:1

Describe the ratio of purple circles to red circles.

• For every 5 red circles, there are 6 purple circles.

• For every 6 purple circles, there are 11 total circles.

• For every 5 red circles, there are 11 total circles.

• For every 6 purple circles, there are 5 red circles.

What is a Ratio?

• Is a comparison of two quantities

• To multiply two fractions

• Strictly a fraction

• Two decimals that can be multiplied

In the fruit bowl there are 4 apples, 2 bananas, and 5 pears.  What is the ratio of pears to ALL fruit?

• 5:4
• 5:11
• 2:5
• 6:5

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

Which represents the relationship of oranges to fruit?

• 2:6
• 2:4
• 4:6
• 4:2

If 30 kids in the class like grape juice, how many kids like pineapple juice?  Use the tape diagrams to answer.

• 4
• 30
• 70
• 40

There are 3 puppies, 6 kittens, and 11 bunnies.  What is the ratio of bunnies to puppies?

• 11:3
• 11:6
• 3:6
• 11:9

The first step in writing ratios is to identify

• in numbers what is being compared
• in words what is being compare
• the pictures
• how many stars are in space

What is the ratio of stars to circles?

• stars/circles = 11/5
• stars/circles = 5/11
• circles/stars = 5/11