Show:
Ratios
Unit Rate
Proportional or Not?
Solving Proportions
Word Problems
100
Write 6 girls to 8 boys as a ratio in 3 ways.
6/8, 6 to 8, 6:8
100
If Mimi drives 50 miles in 2 hours, what is her rate (speed per hour)?
What is 25 miles per hour
100
2/3 and 4/6
Yes, proportional, 2 x 6 = 12, 3 x 4 = 12
100
Solve for x. x/6 = 6/9
What is 4
100
Anna earns $12 in 3 hours. How much does she make in 5 hours?
What is $20
200
Write 10 limes to 6 lemons as a ratio in 3 ways.
10:6, 10/6, 10 to 6
200
If 10 bags of Hot Cheetos cost $3.50, then what is the unit cost of the Cheetos?
What is $0.35/bag?
200
Are 1/6 and 2/7 proportional?
Not Proportional, 1 x 7 = 7 and 2 x 6 = 12
200
Solve for x. x/2 = 9/6
What is 3
200
Ramon gets 10 points in 4 games. How many does he get in 6 games?
What is 15 points
300
What are the 3 ways we write a ratio?
As a fraction, with a colon, and with the word "to"
300
Which is the better deal $22.35 for 5 t-shirts or $28.96 for 8 t-shirts
What is 8 t-shirts ($3.62/shirt)?
300
Are 6/8 and 9/12 proportional?
Yes proportional, 6 x 12 = 72, and 9 x 8 = 72
300
Solve for x. x/6 = 42/15
What is 16.8
300
Henry reads 8 pages in 6 1/2 minutes, then he reads 6 pages in how many minutes?
What is 4 7/8 minutes
400
A comparison between two numbers is called a______
ratio
400
You buy 125 Tootsie-pops for $7.50. What is the unit cost?
What is $0.06/Tootsie-pop?
400
Are 5/10 and 4/8 proportional?
Yes proportional, 5 x 8 = 40, 10 x 4 = 40
400
Solve for x. 6.5/10 = 16.25/x
What is 25
400
The scale of a map is 5 cm : 60 miles. Find the actual distance if the distance on the map is 7.6 cm.
What is 91.2 miles
500
What are the 2 ways to write an equivalent ratio? A Adding B Subtracting C Multiplying D Dividing
What is C, D Multiplying and Dividing
500
Eric ran 13 1/2 miles in 2 1/4 hours. How fast did he run?
What is 6 miles/hour?
500
1.2/2.0 and 0.6/1
Proportional, 1.2 x 1 = 1.2, 2 x 0.6 = 1.2
500
Solve for x. 4/9 = 15/x
What is 33.75.
500
Triangle ABC and DEF are similar. Side AB on triangle ABC is 6cm and side BC is 14 cm. Side DE is 18.84 cm find the length of side EF.
What is 43.96 cm