Unit Rates and Proportions

This video tutorial covers problem-solving with unit rates and equivalent rates. It explains how to calculate unit rates by dividing both terms of a rate by the same number and provides examples involving reading rates, dog walking earnings, soccer league coaches, and the cost of apples. The tutorial emphasizes understanding the relationship between numerators and denominators in rate problems and concludes with a preview of the next lesson on using ratios and rates to solve problems.

What is a unit rate?

• A rate with a denominator of one

• A rate with a numerator of one

• A rate with a denominator of zero

• A rate with both terms equal

How can you create an equivalent rate?

• By adding the same number to both terms

• By subtracting the same number from both terms

• By multiplying or dividing both terms by the same number

• By reversing the terms

If you read one book in 6 hours, how many books can you read in 18 hours?

• Two books

• Four books

• Five books

• Three books

What is the unit rate if you eat 4 pizzas in 2 hours?

• 2 pizzas per hour

• 4 pizzas per hour

• 3 pizzas per hour

• 1 pizza per hour

Emma read a 261-page book in 9 days. How many pages did she read per day?

• 30 pages

• 28 pages

• 29 pages

• 27 pages

What is the rule for determining the numerator and denominator in a rate?

• The word before 'per' is the denominator

• The word after 'per' is the numerator

• The word before 'per' is the numerator

• The word after 'per' is the denominator

Tala earned $50 from walking 4 dogs. How much will she earn for walking 7 dogs?

• $100.00

• $125.00

• $87.50

• $75.00

What is the unit rate for Tala's earnings per dog?

• $10.00

• $12.50

• $15.00

• $20.00

In a soccer league, each team has 18 players and 3 coaches. How many players per coach?

• 4 players

• 5 players

• 6 players

• 7 players

If 192 players signed up, how many coaches are needed?

• 34 coaches

• 28 coaches

• 30 coaches

• 32 coaches