Ratios
A bag has 3 red and 7 blue marbles.
Ratio of red to total?
What is 3:10?
10 pencils for $2.80
OR 16 pencils for $4.00
Better deal?
What is 16 pencils for $4.00?
Ratio is 2:3.
Complete: 4: ___
What is 6?
A pack of 6 notebooks cost $9.60.
What is the unit price per notebook?
What is $1.60?
1 pound = 16 ounces.
How many ounces in 2 pounds?
What is 32 oz?
A class has 12 boys and 18 girls.
Ratio of girls to boys?
simplest form?
What is 18:12 or 3:2?
5 apples for $3.25
OR 8 apples for $4.80
Better buy?
What is 8 apples for $4.80?
Ratio of cats to dogs at a shelter is 4:3.
If cats = 20, dogs = ___?
What is 15?
4 markers cost $5.20.
Unit price?
What is $1.30 each?
A baker has 4lbs of flour. How many ounces does the baker have?
4 pounds (lb) = ___ ounces (oz)?
What is 64 oz?
A recipe uses 9 strawberries and 6 blueberries.
Ratio of strawberries to total fruit?
What is 9:15 or 3:5?
12 cupcakes for $9.00
OR 20 cupcakes for $16.00
Better deal?
What is 12 cupcakes for $9.00?
Complete the ratio table:
x| 2 | 6 | 10 |
y| 5 | _ | _ |
What is 15 and 25?
A car travels 180 miles in 4 hours.
What is the unit rate of miles per hour?
What is 45 mph?
A bottle holds 2.5 liters of water. How many milliliters is that?
2.5 liters = ___ milliliters?
(1 liter = 1000 millimeters)
What is 2,500 mL?
A band has 5 flutes, 7 clarinets, and 8 trumpets.
Ratio of clarinets to total instruments?
What is 7:20?
3 T-shirts for $14.25
OR 5 T-shirts for $22.50
Better buy?
What is they are the same unit price ($4.75 each)?
Ratio is 5:2.
If the first number is 25, second is ___?
What is 10?
12 cookies cost $6.00.
Cost per cookie?
What is $0.50?
3 liters = ___ milliliters?
What is 3,000 mL?
A jar has 14 green, 6 yellow, and 10 orange candies.
Ratio of orange to total?
What is 10:30 or 1:3?
Which is the better buy?
12 pencils for $3.00 or 20 pencils for $4.40
What is 20 pencils for $4.40
Ratio is 6:5.
If total students = 44, how many are in the first group?
Remember order matters!!
What is 24?
A runner runs 7 miles in 35 minutes.
Miles per minute?
What is 0.2 miles/min?
A ribbon is 4 yards long. How many inches?
(1 yd = 36 in)
What is 144 inches?