Proportional Relationships and Rates

The video tutorial covers identifying proportional and non-proportional relationships using tables. It includes four examples: lawn mowing earnings, Isabella's savings, movie costs, and book reading. Each example demonstrates how to determine if a relationship is proportional by using division and tables. The video emphasizes understanding the concept of proportionality through practical examples.

What is the constant rate of earning for Irmel when mowing lawns?

• $15 per lawn

• $20 per lawn

• $10 per lawn

• $12 per lawn

How much money does Isabella have after two weeks of deposits?

• $160

• $130

• $115

• $145

Why is Isabella's account balance not proportional to the number of weeks?

• The bank charges a fee.

• She withdraws money every week.

• She starts with an initial deposit.

• She deposits a different amount each week.

What is the cost per person for a movie ticket?

• $10

• $9

• $8

• $7

If 4 people go to the movies, what is the total cost?

• $27

• $40

• $30

• $36

What is the reading rate for Ethan and Jenna if they read 180 pages in 6 days?

• 35 pages/day

• 30 pages/day

• 25 pages/day

• 20 pages/day

Which of the following is a proportional relationship?

• Reading 144 pages in 9 days

• Reading 128 pages in 8 days

• Reading 160 pages in 10 days

• All of the above

What strategy did Ethan and Jenna use to maintain a proportional reading rate?

• Reading different numbers of pages each day

• Reading the same number of pages each day

• Reading more pages on weekends

• Reading less on weekdays

What is the reading rate for 120 pages in 4 days?

• 25 pages/day

• 30 pages/day

• 35 pages/day

• 20 pages/day

What is a key takeaway from the lesson on proportional relationships?

• Non-proportional relationships are easier to identify.

• Tables are not useful for identifying relationships.

• Proportional relationships have a constant rate.

• Always use a calculator for division.