Vocabulary
Ratios
Unit Rate
Unit Price
Customary/Metric Units
100
distance around a circle
circumference
100
5-1 #1.
A florist uses 5 red roses for every 2 white roses in her bouquets. Write the ratio of white roses to red roses in three different ways.
2:5, 2/5, 2 to 5
100
5-5 #1
Write as a unit rate:
78 miles on 3 gallons
26 miles per 1 gallon
100
5-6 #1
Which is the better value?
$5.00 for 4 mangoes
$6.00 for 5 mangoes
$6.00 for 5 mangoes
100
5-8 #5
The hippo at the zoo weighs 1.5 tons. How many pounds does the hippo weigh?
3,000 pounds
200
A relationship in which there are y units of a quantity for every x units of a quantity is a _______________.
ratio
200
5-2 #3
Find two ratios equivalent to the given ratio.
3 to 4
(answers vary)
200
5-5 #2
Write the unit rate.
18 laps in 6 minutes
3 laps per 1 minute
200
5-6 #2
Who earned more each month?
Atif: $84 over 3 months
Jafar: $100 over 4 months
Atif
200
5-5 #4
0.3 L
300
unit price
the cost of one item
300
5-3 #1
The school soccer team buys 3 soccer balls for every 2 players. The school volleyball team buys 7 volleyballs for every 5 players. Which team buys more balls per player?
soccer team (1.5 balls per player is greater than 1.4)
300
5-5 #3
Find the unit rate.
48 sandwiches for 16 people
3 sandwiches per 1 person
300
5-6 #3
Which is a faster rate?
3 laps in 5 minutes
4 laps in 7 minutes
3 laps in 5 minutes
300
5-10 #3
216 L
400
terms
the numbers or variables in a ratio, separated by a colon or a fraction bar
400
5-3 #2
Jenna walks 12 miles in 5 days. Alex walks 7 miles in 3 days. Who walks more miles per day?
Jenna (2.4 is greater than 2.3)
400
5-7 #1
Doug has 5 hours to make an on-time delivery 273 miles away. Doug drives at a constant speed of 55 miles per hour. Will Doug make the delivery by the deadline? Explain.
Yes. 55 miles per hour = 275 miles per 5 hours, so he will make it in less than 5 hours.
400
5-6 #4
Which is the better value?
3 sandwiches for $15.00
4 sandwiches for $21.00
3 sandwiches for $15.00
400
5-9 #5
Li needs to buy 2 kilograms of apples. If she buys 9 apples that each weigh approximately 150 grams, will she have enough? Explain.
No. She will have about 9 x 150 = 1350 g of apples, which is only 1.35 kg.
500
diameter
the distance across a circle through the center
500
5-4 #1
In gym class, the sixth graders walk 2 laps for every 3 laps they run. If the students run 12 laps, how many laps will they walk? Complete the table. Then plot the pairs of values on the coordinate plane.
Table: 4, 6, 8
Graph:
500
5-7 #2
Marie has 8 hours to write a 45-page chapter for her book. Marie writes at a constant speed of 4 pages per hour. Will Marie complete the chapter in time? Explain.
No. 4 pages per hour = 32 pages per 8 hours, so she will not complete the chapter in time.
500
5-6 #5
Which is the greater rate?
6 points in 3 attempts
15 points in 5 attempts
15 points in 5 attempts
500
5-10 #5
The science class is raising monarch caterpillars. One of the caterpillars weighs 2.3 ounces. About how many grams does the caterpillar weigh? Round to the nearest tenth.
about 65.2 g