Yellow
A ratio is a ___________ between two or more quantities.
Relationship or Comparison
For every 4 hot dogs, 5 sodas are sold. What is the ratio of sodas to hot dogs sold? Give 3 equivalent (proportional) ratios.
5 to 4, 10 to 8, 15 to 12... Answers vary
A recipe uses 5 cups of water, 3 cups of rice, and 1 cup of black beans. What is the ratio of cups of rice to cups of water?
Write the ratio in at least two forms!
3:5
3 to 5
What is Mrs. Martins' favorite color?
Pink
In a city, there are 11 public and 5 private swimming pools. On weekends, 6 of the pools are open. What is the ratio of pools that are open on weekends to total pools?
Write the ratio at least two ways!
6:16
6 to 16
All ratios are proportional relationships. True or False?
False! Not all relationships are proportional
Nora has a flower arrangement with 7 pink flowers, 9 purple flowers, and 5 white flowers. What is the ratio of total flowers to pink flowers?
Write the ratio in at least two forms!
21:7 or 3:1
21 to 7 or 3 to 1
If seven scoops of ice cream costs $10.50, how much is it for one scoop?
What is $1.50?
To find an equivalent ratio you _________ or ________ both numbers in a ratio by the same thing.
multiply; divide
For every 3 pineapples there are 5 bananas in a fruit basket. What is the ratio of bananas to pineapples if there are 60 bananas in the basket?
60 to 36
Lisa goes to school 7 hours per day, works 3 hours per day, and sleeps for 8 hours per day. What is the ratio of hours Lisa works to hours Lisa sleeps?
Write the ratio in at least two forms!
3:8
3 to 8
Solve (make sure to simplify)
3/4 div 1/8
What is
24/4 = 6
For every 6 ounces of coffee Mrs. Martins drinks, she eats 1 cakepop. What is the ratio of cakepops to coffee if Mrs. Martins eats 3 cakepops?
Write the ratio in two different ways!
3:18
3 to 18
What is the ratio for a quantity and 1 thing?
A Unit rate
What does it mean to "scale" a ratio to find an equivalent ratio?
All sides must be multiplied or divided by the same number (scale factor).
If Ms. McFadden has $23.50 and wants to buy baconeggandcheese's that cost $2.80 each up to how many can she buy? What's her change (if she has any)?
She can buy 8 and will have $1.10 leftover.
What two operations will produce equivalent ratios?
A. Adding
B. Subtracting
C. Multiplying
D. Dividing
C and D --> Multiplying and Dividing
Write 3 equivalent ratios to:
1 to 2
Answers will vary, must be confirmed by opposing player (if playing against someone)
Nicole is making carrot bread. She needs 5 cups of carrots for every 2 cups of sugar. What is the ratio of cups of sugar to cups of carrots that Nicole will need?
2:5
2 to 5
What state did Mrs. Martins teach in before she moved back to NY?
Wyoming!