Making Change with Friendly Numbers

This video tutorial teaches how to solve money word problems using a number line. It introduces the concept of friendly numbers, which are numbers ending in zero, making them easier to work with. The tutorial walks through two examples: Matt's change from a $20 bill after buying a $7 game, and Hannah's change from $1 after buying $0.65 ice cream. The video emphasizes counting spaces between lines on a number line and using friendly numbers to simplify calculations.

What is a friendly number, and why is it easy to work with?

Explain how to use a number line to find change.

How much change did Matt get back after buying a board game for $7 with a $20 bill?

What common misunderstanding might occur when counting on a number line?

Describe the process of hopping to friendly numbers on a number line.

How do you determine the amount of change using friendly numbers?

What steps did Hannah take to find out how much change she would get after buying ice cream for $0.65 with $1?