Ratio Basics
There are 3 red apples and 5 green apples. What is the ratio of red apples to green apples?
3:5
Is 2:5 equivalent to 4:10?
yes
A ratio table begins:
2 3
4 ?
6
A car travels 120 miles in 3 hours. How many miles does it travel per hour?
40 miles per hour
What major body of water borders Chicago?
Lake Michigan
A class has 12 boys and 18 girls. What is the ratio of boys to girls?
12:18, or 2:3
Complete the equivalent ratio: 3:4 = 6:__
8
Red. Blue
5. 3
10. 6
? 9
15
A pack of 6 notebooks costs $12. What is the cost per notebook?
$2 per notebook
What famous Chicago sandwich is made with thinly sliced beef and is often served with sweet peppers or giardiniera?
Italian beef
Write the ratio of 7 cats to 4 dogs in two different ways.
7:4 and 7 to 4
5:7 = 15:__
21
A recipe uses 2 cups of flour for every 3 cups of milk. How much flour is needed for 9 cups of milk?
6
A runner travels 15 miles in 3 hours. What is the unit rate?
5 miles per hour
What famous Chicago skyscraper was formerly called the Sears Tower?
Willis Tower
There are 8 pencils and 12 pens. What is the ratio of pencils to all the writing tools?
8:20, or 2:5
Give an equivalent ratio for 4:9
8:18, 12:27, 20:45,
The ratio of boys to girls is 2:3. If there are 20 boys, how many girls are there?
30
Which is the better unit price?
4 notebooks for $8
6 notebooks for $15
4 notebooks for $8, because the unit price is $2 each compared with $2.50 each.
What Chicago landmark is a large entertainment and shopping area located along Lake Michigan?
Navy Pier
Explain the difference between the ratios 2:3 and 3:2.
They describe different relationships. 2:3 means 2 for every 3; 3:2 means 3 for every 2.
Are 6:8 and 9:12 equivalent? Explain how you know.
Yes. Both simplify to 3:4.
Number of tickets Cost
2 $6
4 $12
6 $18
10 ?
$30
A machine produces 240 parts in 8 hours. At the same rate, how many parts will it produce in 15 hours?
450 parts
What is the famous Chicago mix popcorn?
Cheese and Caramel