Alg1 Lesson 1.7 Slope as a Rate of Change

Roles:
Facilitator:
Scribe
Resourcer
Includer

Facilitator

• Make sure that all peers are staying on task.

• Give advice or suggestions to resolve the problem.

• Be sure everyone is able to explain.

Scribe

• Make sure peers organize their results on their own
papers.

• Remind peers to use color, arrows, and other math tools
to communicate your mathematics, reasons, and
connections.

• Be ready to join the teacher for a huddle.

Resourcer

• Make sure peers are getting the materials needed.

• Make sure that all materials are put away neatly.

• Make sure that peers are logged in to the needed site.

• Help troubleshoot any technology difficulties that may
arise.

Includer

• Make sure that all peers are talking about their
work.

• Helps keep peers’ voice volume low.

• Communicates conflicts or questions to the
teacher.

Part 1: Connecting Arithmetic
Sequences and Direct Variation

In your Journal…

In your Journal…

How can we figure out how far away from the warehouse the trucker will be the next hour?

Use 65 mph, miles this hour and miles next hour in your formula.

(This rate of change is also a unit rate since the input is changing by 1)

Change in h is the

same as Δh

Part 2: Extending the Slope Formula

In Your Journal…

In your Journal…

How can we calculate what mile marker Sam would expect to see in terms of how many hours he has been on the road trip?

Random Question of the Day Time

https://wheelofnames.com/4ke-epz We’ll spin the wheel as a class and spend a minute or so discussing our answers.

Part 3: Summary & Practice

Work with a Partner on the 1.7.C Handout

Write out your thinking for each question.

● Go to your calendar paper.

● Select a skill to work on independently or with a partner. (A foldable)

● Work on Unit 1 Deltamath.

Self-Acquisition Time