Writing Ratios
There are 3 red markers and 5 blue markers in a box. Write the ratio of red markers to blue markers.
3:5
Find an equivalent ratio to 2 : 3 by multiplying both terms by 2
4:6
A pack of 5 pencils costs $2.50. Find the unit price per pencil.
$0.50 per pencil
A student reads 20 pages in 4 hours. Find the unit rate in pages per hour.
5 pages/hour
Which is the better buy?
• 3 notebooks for $3.00
• 5 notebooks for $6.00
3 notebooks for $3.00
A class has 12 boys and 8 girls. Write the ratio of girls to total students.
8:20 or 2:5
Complete the equivalent ratio:
5 : 8 = 15 : ___
24
A 12-ounce bottle of juice costs $3.60. What is the unit price per ounce?
$0.30 per oz.
A car travels 150 miles in 3 hours. What is the unit rate in miles per hour?
50 Miles Per Hour
Which cereal is cheaper per ounce?
• 10 oz for $2.50
• 14 oz for $3.92
10 oz for $2.50
A recipe uses 2 cups of flour, 3 cups of sugar, and 1 cup of oil. Write the ratio of flour : sugar : oil
2:3:1
Which ratio is equivalent to 12 : 18?
A) 4:5
B) 6:9
C) 3:8
D) 2:7
B) 6:9
A 15-ounce box of cereal costs $4.05. Find the unit price per ounce.
$0.27 per oz.
A pack of 8 markers costs $6.40. Find the cost per marker.
$0.80/marker
Which is the better buy?
Box A: 18 granola bars for $9.72
Box B: 12 granola bars for $6.60
Box A: 18 granola bars for $9.72
A bag has 18 green marbles and 27 yellow marbles. Write the ratio of green to yellow in simplest form
2:3
A ratio table shows 7 notebooks cost $14.
How much would 21 notebooks cost if the ratio stays equivalent?
$42
A 24-pack of water bottles costs $9.36. Find the unit price per bottle.
$0.39 per bottle
A marathon runner completes 18 miles in 3 hours during a training run. Find the runner’s unit rate in miles per hour
6 Miles per hour
Which is the better buy?
Bottle A: 20 oz of shampoo for $4.80
Bottle B: 15 oz of shampoo for $3.45
Bottle B: 15 oz of shampoo for $3.45
A school has 6 math teachers, 9 science teachers, and 15 language arts teachers. Write the ratio of math : science : language arts in simplest form
2:3:5
The ratio of boys to girls in a club is 4 : 5. If there are 45 girls, how many boys are in the club?
36 Boys
A 25-pound bag of dog food costs $32.50. What is the unit price per pound?
$1.30 per pound
A machine produces 84 bottles in 6 minutes. How many bottles does it produce in one minute
14 Bottles per min
Which is the better buy?
Bag A: 35 oz of coffee for $14.70
Bag B: 48 oz of coffee for $19.68
Bag B: 48 oz of coffee for $19.68