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Finding Rate of Change from a Graph Hole Punch Activity

I created this hole punch activity to give my Algebra 1 students practice finding rate of change from a graph. When I teach Algebra 1, I intentionally avoid using the word “slope” for as long as possible.

I printed off a bunch of practice questions for students to complete inside our dry erase pockets.

finding rate of change from a graph hole punch activity

During first period, students had trouble remembering which of the 8 problems they had already completed. So, I made a hole punch accountability card for the rest of my Algebra 1 classes.

finding rate of change from a graph hole punch activity

I simply typed up the name of the 8 scenarios we were finding the rate of change for in a small table.

finding rate of change from a graph hole punch activity

Groups earned a hole punch after getting each answer verified.

finding rate of change from a graph hole punch activity

My students treated this as a game even though it wasn’t meant as one.

finding rate of change from a graph hole punch activity

I designed the dry erase template to walk students through the different steps of finding the rate of change from a graph.

First, identify the independent and dependent variables. Then, identify two points from the graph to add to your table. Now, you can easily find the change in the dependent variable and the change in the independent variable to plug into the formula for rate of change.

finding rate of change from a graph hole punch activity

If I were to do this again, I would add one more step to the template – write a complete sentence describing the rate of change in context.

finding rate of change from a graph hole punch activity

Braden Carroll

Tuesday 20th of February 2018

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