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Algebra and Beyond

Slope Activity - Errorgram

Slope Activity - Errorgram

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This specific Errorgram activity covers finding slope.

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Information About Errorgram Activities


This no-prep, activity has a design is similar to Instagram. Each sheet includes a picture of a worked out problem that has an error. Students are to find the error and correct the problem. Perfect review activity for after an assessment or early finishers.


• phone/tablet template
• 10 Errorgram sheets
• answer key
• print (PDF file)

© Algebra and Beyond
This product is intended for personal use by ONE teacher only. It is a digital download and no physical product will be sent.

Reviews from Educators

I like using activities that engage students in looking for and correcting errors. Students become better at finding their own, often careless mistakes, when working on assignments. – Laura L T.

Love error-analysis tasks and the higher-level thinking required. The visual presentation of this resource ups the engagement! – Diane M.

My students loved this activity! It doubles as an assignment and something I can put up in my classroom for decoration. Directions were easy to follow! – Tyler H.

This is culturally relevant and hooked the students! Thank you! – Try-Angle Math

I am always telling my students that error analysis is an important skill to hone. They enjoyed this - it was just the right level of difficulty for my students. – Adrienne W.

Errorgram Activities

Error analysis is a method used to identify common mistakes made in mathematics and the cause of the incorrect answer. According to Robert Marzano, error analysis is at the top of the higher level thinking skills and an aid in conceptual understanding. This ability to check for correctness is a big key to achieving math proficiency. It’s awesome to see the critical thinking that happens during these activities!

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