Ratios
Write the ratio as a fraction in simplest form: 8 to 30
4/15
Write the unit rate: 410 miles in 16 gallons. Round to hundredths place and labels necessary.
25.63 miles/gallon
Do each pair of ratios form a proportion? 2/3 and 6/9 (yes/no and EXPLAIN!)
Yes. Cross Products are equal
Julie was able to walk 16 miles through the park in 6 hours. How long will it take her to walk 24 miles through the park? (Correct label necessary)
9 hours
There are 150 Calories in a 3/4-cup serving of cereal. How many Calories are in 5 cups of cereal?
1000
Write the ratios of I's to amount of letters in the word "Mississippi"
4/11
1500 words in 25 minutes (correct label necessary)
60 words per minute
Do the ratios form proportions? 5/4 and 25/16 (yes/no and EXPLAIN!)
No, cross products not equal.
The ratio of vanilla pudding to chocolate pudding in a banana split pie is 4 to 3. Olivia has 64 oz of vanilla pudding. How much chocolate pudding does she need? (Label matters!)
48 ounces.
Kari buys a 32-oz container of blueberries for $4.25. Jessica buys an 18-oz container of blueberries for $2.54. Who has the better buy per ounce?
0.13 vs 0.14
Kari
Write the ratio as a fraction in simplest form: 66 inches to 72 inches
11/12
Write the unit rate for $1.12 for 8.2 ounces (hundredths and label)
$0.14 per ounce
Do the ratios form proportions? $8/20 lbs and $24/60 lbs. yes/no and EXPLAIN!
Yes (Cross products and/or Unit rates are equal)
If there are 1200 calories in an 8 oz piece of cheesecake, how many calories are in a 3 oz piece of cheesecake? (Include the correct label)
450 calories
Abby walked 5/6 mile in 3/4 hour. How fast did she walk, in miles per hour? Make a t-chart.
5/6 x 4/3= 20/18=1 1/9mph
There are 140 students in 8th grade. If 80 of the students are girls, write the ratio of girls to boys in 8th grade in simplest form.
4/3
Which is the better buy? $3.29 for a 16-ounce bag of candy $2.99 for a 12-ounce bag of candy
$3.29 for 16-ounce bag = $0.21 per ounce (other bag is $0.25 per ounce)
Do the ratios form proportions? 5 ft/7 s and 25 ft/ 49 s (yes/no and EXPLAIN)
No. Cross products not equal and/or Unit Rates are not equal.
Annie bought 3 bags of special candy for $1.20. How much do 8 bags of candy cost? (Don't forget your label)
$3.20
A car uses 4.25 liters of gas to travel 30 miles. How many liters of gas do they use per mile? (round to the nearest hundredth)
4.25/30= 14 liters per mile
Write the ratio as a fraction in simplest form 30:5
6:1
Ethan can buy 4 shirts for $71.96 at Express or 9 shirts for $134.55 at Foxy's Fashion. Which has the better unit cost?
Foxy's has the better buy (14.95 per shirt).
Do the ratios form proportions? 21 mi/6 h and 14.3 mi/ 3 hr. (yes/no and EXPLAIN)
The moats separating the people from the animals are 5 m wide for bears and 4 m wide for leopards. If the bears' moats is 4 m deep, how deep should the leopards' moat be? (label label label)
3.2 m for the leopards
John used 12.5 cups of beans in a dish that serves 10 people. Dominick used 10.8 cups of beans in a dish that serves 8 people.
How many more beans are in one serving of Dominick's dish?
1.25 vs 1.35 = 0.10 more