Exploring Ratios, Rates, and Unit Rates in Pre-Algebra

This video tutorial covers pre-algebra concepts focusing on ratios, rates, and unit rates. It begins with an introduction to these concepts, followed by practical examples such as calculating earnings per hour for lifeguards and determining the amount of dog food needed for a week. The lesson also includes comparing rates using animal jumps and faucet flow rates. The tutorial emphasizes understanding and applying unit rates to solve real-world problems.

What is the main focus of Pre-Algebra Lesson 31?

• Solving equations

• Connecting ratios, rates, and unit rates

• Graphing linear functions

• Understanding geometric shapes

How much does Nathan earn per hour?

• $7.50

• $9.25

• $10.00

• $8.75

How much more does Nathan earn per hour compared to Dan?

• $0.75

• $1.00

• $0.50

• $0.25

What is the unit rate formula?

• Total amount multiplied by the number of items

• Total amount added to the number of items

• Number of items divided by the total amount

• Total amount divided by the number of items

How much does Jennifer earn per hour?

• $10.00

• $8.75

• $9.25

• $9.15

How much food does Buster need per day?

• 15.0 oz

• 10.25 oz

• 20.5 oz

• 22.5 oz

How much food does Roxy need per week?

• 128 oz

• 71.75 oz

• 52.5 oz

• 124.25 oz

How many jumps does the rabbit need to cover 24 meters?

• 9 jumps

• 10 jumps

• 6 jumps

• 12 jumps

How many jumps does the kangaroo rat need to cover 24 meters?

• 12 jumps

• 10 jumps

• 5 jumps

• 9 jumps

Which faucet fills a 3-gallon container faster?

• Kitchen sink

• Bathroom sink

• Both fill at the same rate

• Neither can fill a 3-gallon container