Better hail a (vo)cab!
A ratio is...
Give an EXAMPLE
the comparison of two numbers with a similar unit. Like...dogs to cats
If Mila drives 50 miles in 2 hours, what is her rate (speed per hour).
What is 25 miles per hour.
3 apple pies for $11
7 apple pies for $24
3 Apple pies
3 2
6
6
12 8
What two numbers are missing?
What are 9 and 4?
Write the ratio of W's to E's in three forms. Reduce for your final answers. W W W E E E E E
What is 3:5, 3 to 5, and 3/5 ?
A rate is...
Give an EXAMPLE
A comparison of two numbers with different units (like dollars/pound, miles/gallon)
Misti bought a package of three T-shirts for $18.75. What is the unit price per T-shirt?
$6.25
5 cans of coke for $3
6 cans of coke for $3.80
5 cans of coke
Complete the "ratio table". Find the missing value.
Pencils 4 12
Erasers 3
What are 9 erasers?
Write the ratio of X's to O's in three forms. Reduce for your final answers. X X X O O O O O O
What is 1:2, 1 to 2, and 1/2 ?
A unit rate is...
A rate that is simplified so that it has a denominator of one
If 10 bags of hot cheetos cost $3.50, then how much does 1 cost?
What is $0.35
28 stickers for $15
40 stickers for $20
40 stickers
Who had more sugar?
Samara Morgan Sugar flour Sugar flour
2 4 3 6
4 8 6 12
6 12 9 18
They all have the same amount
Write the ratio of S's to all letters in three forms. Reduce for your final answers. T T S S S S S S S S
What is 4:5, 4 to 5, and 4/5 ?
DAILY DOUBLE: What are four ways to express a ratio?
: "to" fraction, picture
Kimmy bought a 5-kilogram can of peanuts for $4.50. What is the unit price?
$0.90
3 months subscription for $20
12 month subscription for $80
They are equal
Complete the "ratio table". Find the missing value.
Miles 110
Hours 2 1
What is 55 miles.
Write the ratio of C's to A's in three forms. Reduce for your final answers. A A A A A A B B B B C C C C C C C C
What is 4:3, 4 to 3, and 4/3 ?
1) What is an equivalent ratio?
2) What is a simplified ratio?
3) 6/42 and 8/72...Are these equivalent fractions? Are these simplified fractions?
1) Equivalent fractions are fractions with the SAME value but a different look
2) A simplified fraction means that the numbers in the comparison do not share any factors that you could use to reduce it
3) No, No
Rob can buy 15 brownies for $7.75 or 25 brownies for $14.57. Using unit rates, determine which deal is a better buy.
What is 15 brownies for $7.75?
Erin, Amy, and Aubrey are racing each other at the go kart track. Erin drives at a rate of 4 laps in 9 minutes, May drives at a rate of 3 laps in 7 minutes, and Aubrey drives at a rate of 5 laps in 11 minutes. At this rate, the order of the finishers will be ________, _________, and then finally ________.
FIRST = May
SECOND = Erin
THIRD = Aubrey
Abbey has created the perfect cake recipe. It has a ratio of flour to sugar of 4:9. Identify which of the following recipes could be a version of Abbey's perfect cake. A) 2 eggs, 8 cups flour, 18 teaspoons sugar, 1 cup water B) 2 eggs, 12 cups flour, 36 cups sugar, 2 cups water C) 3 eggs, 20 cups flour, 40 teaspoons sugar, 1 cup water D) 3 eggs, 16 cups flour, 36 cups sugar, 2 cups water
What is D) 3 eggs, 16 cups flour, 36 cups sugar, 2 cups water ?
There are 6 hearts for every 2 stars.
If you add one more star, how many more hearts do you need to add to keep the ratio EQUIVALENT?
What is 3 more hearts.
2 to 6 = 3 to 9
John has a cookie tray at his holiday party. On it, there are 12 chocolate chip cookies, 18 oatmeal raisin cookies, 6 peanut butter cookies, and 24 sugar cookies. Name the ratio of sugar cookies to oatmeal raisin cookies in simplest, fractional form.
What is 4/3