# Error Analysis - Slope from Graphs Cards & Answers

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Mathematical Practice 3 emphasize that students should be able to critique the reasoning of others.

How often do we wish to stop the common mistakes from occurring? How often do we wish to emphasize to our students not to make a particular error? How often do we wish that we could show our students all the "possible" common errors and have them analyze it?

This product contains "ERROR ANALYSIS" cards which deal with common mistakes in the area of finding the slope of a line from a given graph. It will give students the opportunity to analyze errors. I have comprised a list of possible mistakes that students make when they're asked to find the slope from a given graph and included these mistakes in cards.

Common mistakes such as switching rise and run, not starting with the same ordered pair provided on the graph when calculating the slope, not finding the correct slope of the parallel and perpendicular line, and many more common mistakes are illustrated in these cards. A "POSSIBLE" answer key is provided in two different formats: A chart and on the Error Analysis Cards as well. Please use your own way of rewriting/rewording the answer key to bond with your students.

Students will be engaged in these 13 Error Analysis cards. In each of the cards, a scenario is given with the wrong calculation of the slope. The student will be asked to:

1. Identify the error and explain it
2. Solve the problem correctly
3. Provide a helpful strategy to avoid making this mistake in the future.

You could provide the student with the Error Analysis card to answer on it, or, use the attached answer form.

When could you use Error Analysis Cards?

Here are some suggestions:

- Cooperative Learning
- Pair Share
- Centers
- Warm-Ups (to do now/Bell work)
- Enrichment
- Assessment
- Entrance/Exit Ticket
- When some time is left at the end of the class regardless of the topic being taught
- Homework assignment
- Review before a quiz (major test) on this concept
- with Communicators
- .... etc. (Be creative :-) )

Please check out the FREEBIE regarding ERROR ANALYSIS at

- FREEBIE * Error Analysis - MATH.

This FREEBIE is to include a sample of every ERROR ANALSYS card that I design. I am hoping that it will help our students to be better in their critiquing skills and avoid making the common mistakes.

This product is part of the:

- BUNDLE * ERROR ANALYSIS Finding the slope from graphs, points,and equations.

More products to come in the area of ERROR ANALYSIS in other topics of Algebra I and Algebra II.

Enjoy!!!

P.S.: I have included the file as a whole in PDF format. I have also broken the file into separate pages just incase you have issues with printing.

This product is part of the SLOPE ACTIVITIES BUNDLE found at:

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(Exit Tickets, Error Analysis, Mazes, Emoji, Task Cards, GOAL, BINGO, Smart Response, & MORE)

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