Ratios (SIMPLIFY)
There are 16 girls to 20 boys. What is the ratio ?
4:5
If Cheyenne drives 50 miles in 2 hours, what is her rate (speed per hour).
25 miles per hour.
3 / 6 / 9 / 12
2/ / /
Find equivalent ratios.
4 / 6 / 8
A comparison of two numbers or quantities.
Ratio
Ms.K's favorite colors (2)?
Blue and Black
Ryan has 25 red M&Ms and 15 green M&Ms, what is the ratio of red to green?
5:3
Chase bought a package of three T-shirts for $18.00 What is the unit price per T-shirt?
$6.00
3 / 6 / 9
5/ /
Find equivalent ratios.
10/ 15
a ratio comparing two different units
Rate
What does Ms.K teach?
6-8th Math
The ratio of catfish to trout in Aaron's pond is 1 to 3. If there are 200 catfish in the pond, how many trout are there?
600
If Caylee bought 10 bags of hot cheetos for $3.50, then how much does 1 bag cost?
$0.35
2/4/6
6/ /
Find equivalent ratios.
12/ 18
a rate where one value is equal to one
Unit Rate
How many kids does Ms.K have? What are their names?
3 and Kelsey, Kobe & Alexis
In Karmen's math class, there are 12 boys and 15 girls. What is the ratio of girls to boys in Karmen's math class?
5:4
Brooklyn bought a 5-pound can of peanuts for $12.50. What is the unit price?
$2.50
5/10/15/20
8/ / /
Find equivalent ratios.
16/24/32
two ratios that can be divided or multiplied to the same number. We use a table to find these.
Equivalent Ratios
Where did Ms. K go to college?
Augustana & SDSU
If the ratio of chairs to desk in a room is 2:3, and there are 18 desks. How many chairs are there?
12 chairs
Aubree bought a box of 20 large pretzels for $4.40. What is the price per pretzel?
$0.22
4/8/12/16
8/ / /
Find equivalent ratios and graph
16/ 24/ 32
graphs vary
How do you find an equivalent ratio?
1. SET UP FRACTION
2. DIVIDE OLD NUMERATOR BY NEW
3. MULTIPLY NEW DENOMINATOR BY THE ANSWER FROM STEP 2
How old is Mrs. Kier?
38