Video Recorder Space and Borrowing

This Grade 7 math lesson focuses on multiplication and division of rational numbers. It includes two problems: one about Benjamin borrowing money and another about Monica's video recorder memory usage. The lesson demonstrates how to represent and solve these problems using rational numbers and percentages.

What is the main focus of this lesson?

• Graphing rational numbers

• Solving equations with rational numbers

• Multiplication and division of rational numbers

• Addition and subtraction of rational numbers

How much money does Benjamin borrow from Clyde each day?

• 1.25 dollars

• 75 cents

• 50 cents

• 1 dollar

For how many days does Benjamin borrow money from Clyde?

• 3 days

• 4 days

• 5 days

• 6 days

What is the total amount Benjamin owes Clyde after 5 days?

• $2.75

• $3.00

• $3.75

• $4.00

What percentage of Monica's video recorder is used by each episode?

• 2.5%

• 3.0%

• 3.5%

• 4.0%

How many episodes does Monica plan to record this week?

• 3 episodes

• 4 episodes

• 5 episodes

• 6 episodes

What is the total percentage of space used by the five episodes?

• 17.5%

• 16.5%

• 18.5%

• 15.5%

What is the initial free space percentage on Monica's video recorder?

• 62%

• 61%

• 63%

• 60%

What is the remaining space on Monica's video recorder after recording?

• 42.5%

• 43.5%

• 44.5%

• 45.5%

Why is the multiplication of percentages considered negative in Monica's problem?

• Because the episodes are deleted

• Because she loses space

• Because she gains space

• Because the recorder is full