Ratio and Rates
Bob has 12 red cards and 20 green cards. What is the ratio of Bob's red cards to his green cards?
3:5
A recipe calls for 2 cups of flour for 3 cups of sugar (2:3 ratio). If you use 6 cups of flour, how much sugar do you need?
You would need 9 cups of sugar.
Round to the nearest whole number,
If you can buy one can of pineapple chunks for $2, then how many can you buy with $10?
5
12 ft. = how many inches?
144 inches.
7/10 = is how much percent?
70%
At a party, 10 soft drinks are required for every 12 guests. If there are 252 guests, how many soft drinks are needed?
210 Soft drinks are needed.
If Ben reads 10 pages in 15 minutes, how long does it take him to read 40 pages?
60 minutes (or an hour) to read 40 pages.
Round to the nearest whole number
One jar of crushed ginger costs $2. How many jars can you buy for $4?
2
5 yards = how many ft?
15 ft.
0.65 = is how much percent?
65%
The price of 3 apples at the Quick Market is $1.44. The price of 5 of the same apples at Walmart is $2.50. Which place is the better buy?
Quick Market is the better place to buy from.
Eliana owns the Blossom garden shop. To keep her plants healthy, she always adds 3 cups of fertilizer for every 8 cups of soil. She filled a large pot with 24 cups of soil for a ficus plant. How many cups of fertilizer should Eliana add to the pot?
9 cups.
Round to the nearest whole number,
One cantaloupe costs $2. How many cantaloupes can you buy for $6?
40 quarts = how many pints?
80 pints.
1.54 = is how much percent?
154%
The bakers at a Bakery can make 160 bagels in 4 hours. How many bagels can they bake in 16 hours? What is that rate per hour?
40 bagels per-hour.
Ms. Lopez draws two cylinders on the whiteboard. The first cylinder has a diameter of 6 inches and a height of 14 inches. The second cylinder has a diameter of 3 inches.
If the second cylinder has the same ratio of diameter to height, what is its height?
7 inches.
Round to the nearest whole number,
One package of blueberries costs $3. How many packages of blueberries can you buy for $9?
3
85 cups = how many fluid ounces?
680 fluid ounces
1/4 = is how much percent?
25%
The ratio of boys to girls in a class is 2:3. If there are 18 boys in the class, how many girls are in that class?
27 girls in the class.
The Marine Discovery Aquarium sells ocean-themed cookies in their gift shop. Last month, they sold 65 shark cookies and 85 clown fish cookies. The cookies were so popular that they want to order more cookies this month. They plan to order 170 clown fish cookies this month.
If they keep the same ratio, how many shark cookies should they order this month?
shark cookies
130 shark cookies.
Round to the nearest whole number,
Shawna reduced the size of a rectangle to a height of 2 in. What is the new width if it was originally 24 in wide and 12 in tall?
4 inches
4.5 miles = how many yards?
7,920 yards
500% of 40 is what?
200