Ratios
Write 6 Gryffindors to 8 Slytherins as a ratio in 3 ways.
What is 6/8, 6 to 8, 6:8
If Ms. Jones drives 50 miles in 2 hours, what is her rate (speed per hour)?
What is 25 miles per hour.
.8 or .80
Determine if each pair of ratios or rates is equivalent. $3 for 6 Rice Crispy Treats; $9 for 24 Rice Crispy Treats?
No; since the unit rates $0.50/1 Rice Crispy Treat and $0.38/1 Rice Crispy Treat, are not the same, the rates are not equivalent.
Kelsey earns $12 in 3 hours. How much does she make in 5 hours?
What is $20.
Write 10 basketballs to 6 soccer balls as a ratio in the 3 ways.
What is 10:6, 10/6, 10 to 6
If Mrs. Bradley types 120 words per 3 minutes, what is her rate of typing?
What is 40 words per minute
75%
Determine if each pair of ratios or rates is equivalent. 96 words typed in 3 minutes; 160 words typed in 5 minutes.
Yes; since the unit rates are the same, 32 words/1 minute, the rates are equivalent.
Quiana gets 10 points in 4 games. How many does she get in 6 games?
What is 15 points.
What are the 3 ways we write a ratio.
What is as a fraction, with a colon, and with the word "to"
If 10 snack bags of Hot Cheetos cost $5.50, then how much does 1 cost?
What is $0.55
Convert both fractions to decimals and tell which is larger?
2/3 and 3/5
Determine if each pair of ratios or rates is equivalent. 288 miles on 12 gallons of fuel; 240 miles on 10 gallons of fuel.
Yes; since the ratios share the same unit rate, the number of miles driven and the number of gallons of fuel form equivalent ratios.
Lucy reads 12 pages in 6 minutes, so she will read 24 pages in how many minutes?
What is 12 minutes?
Which is better deal $20 for 5 t-shirts or $24 for 8 t-shirts?
What is $24 for 8 t-shirts (rate of $3 per shirt)
.25
Determine if each pair of ratios or rates is equivalent. 16 out of 28 students own pets; 240 out of 560 students own pets
No the ratios are not equivalent.
Tiffany texts 60 words in 4 minutes, so he will text 180 words in how many minutes?
What is 12 minutes?
At a pet store in the mall they have 12 puppies and 8 kittens. What is the ratio of kittens to puppies?
What is 8:12?
A ratio where the bottom number is a 1.
What is unit rate?
Which is smaller: 3/8 or 2/5
Prove it by showing the decimal for each.
3/8 (.375)
2/5 (.400)
Determine if each pair of ratios or rates is equivalent. 4 pairs of socks for $12; 3 pairs of socks for $6
No the ratios are not equivalent.
Ms. Hebert's students studied 25 hours in total for 2 tests, so in 100 hours how many tests will they study for?
What is 8 tests?