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?

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Explain how to use a number line to find change.

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

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

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

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

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

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