The unit rate describes the number of miles Lucy can bike in 1 minute. In order to calculate the unit rate, what do you need to do?
Divide miles by minutes:
What expression can you use to find the number of miles Lucy has biked after 5 minutes?
What expression can you use to find how long it takes Lucy to bike 1.4 miles?
What is the constant of proportionality? How do you know?
It is 0.2 miles/minute. It is the same as the unit rate.
What does (0, 0) represent in terms of the context?
That no time has passed and Lucy has not started biking.
ASSESS READINESS | MISCONCEPTIONS | WARM UP | FOCUS | EXTEND | FINISH |