Ratios 101
What is a ratio?
Comparison of two quantities
What is a rate?
A comparison of two quantities with different units of measurement
What does percent mean?
"Per" = for every
"Cent" = 100
Write 50/100 in simplest form.
1/2
What is Ms. Smith's favorite color?
Yellow
How many ways can ratios been written?
3 different ways (A:B, A to B, A/B)
What is the difference between a unit rate and the rate unit?
Unit rate: A rate that compares a quantity with one unit of the other quantity
Rate unit: how the unit rate is labeled
What is 30% as a fraction and a decimal?
.3
30/100
What is the greatest common factor?
The largest factor that the numerator and denominator share.
Who is the 7th grade math teacher?
Mr. Harris
List 4 different ways you can find equivalent ratios.
Tape diagrams, finding a constant, ratio tables, double number line diagrams
Ms. Smith drove 300 miles in 6 hours. Find the unit rate.
50 miles per hour.
What is 13/50 as a decimal and a percent?
Find 304 divided by 4.
76
Who is the 8th grade math teacher?
Ms. Sharp
Are the ratios 5:6 and 85:102 equivalent? If so, what is the constant?
Yes! 17
Alexa made $36 after working 3 hours. Damian made $28 after working 2 hours. Who makes more per hour?
Damian makes more per hour.
36/3 = 12 dollars/hour
28/2 = 14 dollars/hour
What is 35% of 100?
35
Find the product of 3/4 x 7/11
21/44
When is Ms. Smith's birthday?
June 20
Create a ratio table for the ratio 4:9
8:18, 12:27, 16:36, 20:45, 24:54
If you drive at a constant rate of 70 miles per hour for 14 hours, find how many miles you will drive.
980 miles.
A pair of Nike's that originally cost $140 are on sale for 35% off. What is the new price?
140 x .35 = 49
140 - 49 = $91
Find 11 divided by 7.
2.75
What is Ms. Smith's favorite thing to do?
Be outside! Go on walks, swim, sit on the porch with some coffee, go to sporting events! Anything outside!