Say It With Ratios
In a box of 8 red crayons and 4 blue crayons, the ratio of red to blue crayons is ____ to ____
8 to 4
or
2 to 1
A car travels 120 miles in 3 hours. What is the unit rate in miles per hour?
40 miles per hour
A recipe uses 2 cups of oats for every 3 cups of flour. How many cups of flour are needed for 6 cups of oats?
9 cups of flour
There are 12 inches in 1 foot. How many inches are in 5 feet?
60 inches
How many years has Mr. Beach been teaching?
10 years
A parking lot has 15 cars and 5 trucks. Which statement is true:
"There are 3 cars for every truck" or
"There are 3 trucks for every car"?
There are 3 cars for every truck
5 water bottles cost $6.25. What is the cost per bottle?
$1.25 per bottle
It takes Jada 3 minutes to make 4 friendship bracelets. At this rate, how many bracelets can she make in 45 minutes?
60 bracelets
A recipe calls for 12 fluid ounces of milk. How many cups is that?
1 cup = 8 fluid ounces
1.5 cups
Name one sport Mr. Beach has played on a team.
Soccer, ultimate frisbee, or basketball
A fish tank has 6 goldfish and 9 guppies. Write the ratio of guppies to goldfish in three different ways.
9 to 6
9:6
9/6
A printer prints 90 pages in 6 minutes. At this rate, how many pages does it print in 11 minutes?
165 pages
A mixture uses 4 teaspoons of sugar for every 6 ounces of water. How many teaspoons of sugar are needed for 15 ounces of water?
10 teaspoons of sugar
A dog weighs 44 pounds. About how many kilograms does the dog weigh?
1 kilogram ≈ 2.2 pounds.
20 kilograms
What is Mr. Beach's daughter's name?
Olivia
A class has 12 boys and 16 girls.
True or false: For every 3 boys, there are 4 girls. Explain how you know.
True.
12:16 simplifies to 3:4
Anthony uses 2 scoops of powder per 5 cups of water. Victor uses 3 scoops per 8 cups of water. Who makes the stronger lemonade?
Show exactly how the mixtures compare.
Anthony has stronger lemonade
Anthony - 0.4 scoops per cup
Victor - 0.375 scoops per cup
Other reasoning accepted
A concrete mix uses cement, sand, and gravel in a ratio of 3:2:1. A construction crew has 24 pounds of cement and wants to use all of it. How many total pounds of concrete mix will they make?
48 total pounds of concrete
A pumpkin weighs 4.5 kg. A watermelon weighs 11 pounds. Which weighs more, and by how much?
1 pound ≈ 0.45 kg.
The watermelon weighs 1 pound, or 0.45 kg, more.
What neighborhood of Seattle does Mr. Beach live in?
West Seattle
A fruit bowl has apples, oranges, and bananas in the ratio 2:3:5. There are 40 total pieces of fruit. How many are oranges?
12 oranges
A runner completes 8 laps in 20 minutes. What are two unit rates for this situation?
0.4 laps per minute
2.5 minutes per lap
A trail mix uses nuts, dried fruit, and chocolate chips in a ratio of 4:3:2. If there are 45 total ounces of trail mix, how many more ounces of nuts are there than chocolate chips?
10 more ounces
The record speed for a peregrine falcon in its dive is 108 meters per second. How many kilometers per hour is that? Round to the nearest kilometer.
1 kilometer = 1000 meters
1 hour = 3600 seconds
389 kilometers per hour
What did Mr. Beach study when he first went to college?
Art