Conversions
A work ladder can extend to 8 kilometers. How many meters is that? Use unit analysis to solve this conversion problem.
(1 km = 1000 m)
8,000 meters
A 5-pack of raffle tickets costs $5.50. What is the unit price?
$1.10 for 1 raffle ticket
Brand A sells a can of tomato sauce that costs $0.47 for 8 ounces of sauce. Brand B sells a can of tomato sauce that costs $2.59 for 15 ounces of sauce.
Which brand is a better buy?
Band A - $0.06
A tin of mints has a mass of 50 grams. How many ounces is that? (1 g = 0.035 oz)
1.75 ouncces
When you are given a double number line for a conversion problem, what do you do first?
Find the pattern on the bottom line!
A tin of mints has a mass of 30 grams. How many ounces is that?
(1g = 0.035 oz)
1.05 ounces
Printer A can print 21 pages per minute. Printer B can print 1200 pages in 60 minutes.
Which printer will print more number of pages per minute.
Printer A!
Printer B - 20 pages per minute which is less than 21
Harry types 75 words per minute. Camilla types 4920 words in 60 minutes. Who can type faster?
Camilla - 82 words
Beth can run 6.5 miles per hour. At this rate, how far will she run in the first 3 hours of the marathon?
19.5 miles
When you are given a conversion, what do you do first?
Make a table!
You need 24 cups of milk for a recipe but milk comes in liters. How many liters should you buy?
(1cup = 0.24 L)
5.76L
A 7-pack of movie tickets costs $60.31. What is the unit price, rounded to the nearest cent?
$8.62 for 1 movie ticket
A large box of cereal has 26.8 ounces and costs $6.79. A small box of the same cereal has 19 ounces and costs $4.19. Which of the two is the better buy per ounce of cereal?
Small Bag - $0.22
Kelly runs 13.5 miles in 2 hours. At this rate how far will she run in 5 hours?
33.75 miles
How do you find the best deal?
Find the unit rate of both (divide- money on top) and see which one is better.
Mike is buying watermelons and finds that two different kinds are weighed in kilograms and pounds. Watermelon A is 18 pounds and Watermelon B is 8.7 kilograms.
Given, 1 kg = 2.2 lb which watermelon weighs most?
Watermelon B weighs more! 19.14 pounds
If a store sells 60 square feet of hardwood flooring for $345, what is the unit price?
$5.75 for 1 ft of flooring
Hometown Market sells three sizes of bags of dried cranberries. The big bag is 16 ounces and costs $4.32. The medium bag is 10 ounces and costs $2.60. The small bag is 6 ounces and costs $1.80.
What is the cost per ounce for each bag size?
What is the best buy?
Big Bag: $0.27
Medium: $0.26
Small: $0.30
Medium Bag is the best buy!
Nico can ride 12.5 miles per hour. At this rate, how far will he ride in 5 hours?
62.5 miles in 5 hours
How do you find a unit rate on a graph?
Find the point that lines up with 1!
Sergei is buying tomatoes and finds that two different kinds are weighed in grams and ounces. Tomato A is 6 ounces and Tomato B is 173 grams. Which tomato weighs the most?
(1 oz = 28.3 g)
Tomato B weighs the most! (173 grams)
If a gas station sells 14 gallons of gas for $35.56, what is the unit price?
$2.54 for 1 gallon
A grocery store sells three sizes of bags of one brand of potato chips. The big bag is 14 ounces and costs $6.30. The medium bag is 9.75 ounces and costs $2.50. The small bag is 8 ounces and costs $2.48.
What is the cost per ounce for each bag size?
What size is the best buy?
Big Bag: $$0.45
Medium Bag: $0.26
Small Bag: $0.31
Medium Bag is the best deal!
If Lucy rides 60 miles in 5 hours, how far will she ride in 7 hours?
84 miles
When solving unit rate problems, what do you do first?
Make a table!