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Problem Solving. 58-61. What is a unit rate?. A Unit Rate is… Example: A car travels 110 miles in 2 hours. Find the unit rate. You try: Explain how to convert 200 miles in 4 hours to a unit rate. What would you do?. R ead to Understand A ctivate a Plan M athematically Solve
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Problem Solving 58-61
What is a unit rate? A Unit Rate is… Example: A car travels 110 miles in 2 hours. Find the unit rate. You try: Explain how to convert 200 miles in 4 hours to a unit rate.
What would you do? Read to Understand Activate a Plan Mathematically Solve Survey (check) your work. Your cell service charges a $30 flat fee which includes 300 free minutes. They do charge a fee for extra minutes. It is $3.75 for 15 extra minutes. What would your total bill be if you had 22 extra minutes?
Your friend’s cell service has a $35 flat fee with an $8.85 fee for 40 extra minutes. She used 35 extra minutes this month. What is her total bill? You try… Read to Understand Activate a Plan Mathematically Solve Survey (check) your work. Explain how unit rates are applicable in the above scenarios.
Group Work Examples • Partners • Work problems together and switch to check. • Come back together and discuss mistakes and reevaluate before moving on…
What is a rate of change? A rate of change is… Example: Find the rate of change
You Try… Find the rate of change
Multi-Step Problems Read to Understand Activate a Plan Mathematically Solve Survey (check) your work.
You Try… What did you find in part a? What unit was used to describe the solution? Why??