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
A model of an old oak tree was built using the scale
2 in. : 20 ft. If the tree's actual height is 82 feet, what is the height of the model?
8.2 in
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.
On a map 1.5 cm represents a distance of 45 km. If two points on the map are 0.8 cm apart, what is the actual distance between the two points?
24 km
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