Understanding Ratios
What are the 3 ways to write a ratio?
#:#
# to #
#/#
Write the unit rate for this situation.
$44 in 4 days
$11 per day
Determine weather these ratios are equivalent.
2:3 and 4:6
Yes, equivalent
Find the missing value in the ratio table.
TVs 2 x 6
Computers 7 14 21
4
14 qt = ? g
3.5
Your dad is grilling. There are 5 burgers and 6 hot dogs on the grill. Write the ratio of burgers to hot dogs.
5:6
Write a unit rate for the situation.
256 heartbeats in 4 minutes
64 heartbeats per minute
Determine whether the ratios are equivalent.
5:8 and 8:14
No, not equivalent
Find the missing values in the ratio table.
Apples 5 10 x 20
Oranges 3 x 9 12
15
6
Complete the Statement using < or >.
3 kg __ 100 oz
>
There are 9 books and 3 pencils on your desk. Write the ratio of books to pencils.
*Hint- SIMPLIFY!
3:1
Write a unit rate for the situation.
85 drops in 5 minutes
17 drops per minute
Decide whether the rates are equivalent.
96 miles on 4 gallons,
380 miles on 15 gallons
Not equivalent
For every 2 cars you wash, your friend washes 3 cars. You wash a total of 8 cars. How many does your friend wash?
*Hint- Use a ratio table!
12 cars
A hurricane has a large eye of about 80 miles. Your friend says the eye is about 50 kilometers wide. Is your friend correct? Explain your reasoning.
No, your friend converted wrong. There are about 129 kilometers in 80 miles.
A bag contains quarters and dimes. You are given the number of dimes and the ratio of dimes to quarters. Draw and use a tape diagram to find the number of quarters.
15 dimes; 3 to 2
10 quarters
Represent a ratio relationship using a graph.
Distance (miles) 20 80 120
Fuel (gallons) 1 4 6
Check key
Stacia has 28 red and blue marbles. The ratio of red to blue marbles is 1:6. How many blue marbles does Stacia have?
Stacia has 24 blue marbles.
Your friend says that there are 36 feet in 12 yards. Is your friend correct? Use a ratio table to prove your reasoning.
Yes, There are 3 feet in 1 yard and 3:1 is equivalent to 36:12
Find the missing value.
Cars 3 6
Trucks 5 x
10
There is 1 bus for every 32 students on a field trip. There are 96 students on the field trip. How many buses are needed?
3 buses
You grow 3 centimeters in 2 months.
A.) Represent the ratio relationship using a graph
B.) At this rate, how much do you grow in 5 months?
Check key
7.5 cm
Kendall reads 8 pages each night. DeSean reads 32 pages every 4 nights. Are Kendall and DeSean reading at the same rate?
Yes
Your closet has 5 shirts for every 2 sweaters. Your closet has 30 shirts. How many sweaters are in your closet?
*Hint- Use a ratio table!
12 sweaters
You have a liter bottle of orange juice. You want to divide the juice into one-cup amounts. How many cups of juice can you pour?
4 cups