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Introduction to Absolute Value Functions Lesson Plan

Grade Levels
8th - 10th
Formats Included
  • PDF
10 pages
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Introduction to Absolute Value Functions –

This lesson plan incorporates targeted strategies to ensure success for teachers and students. This plan can be used as a standalone lesson or as part 1 of an Absolute Value unit. Part 2 can be found here: https://www.teacherspayteachers.com/Product/Transformation-of-the-Absolute-Value-Function-Lesson-Plan-3746281

Strategies Include –

A ‘Do Now’ to assess student fluency, activate prior knowledge and focus student minds on math.
A ‘Group Round’ in which collaboration elevates academic discourse, improves mathematical vocabulary and ensures collective success.
An ‘Observation Round’ or ‘Gallery Walk’ which further elevates academic discourse and enables efficient engagement in pattern recognition and learning summarization.
And an ‘Exit Ticket’ which summarizes and emphasizes main lesson points while providing the teacher with valuable data regarding student understanding and readiness to progress.

Lesson Plan –

Students will complete a ‘Do Now’ to assess their prior knowledge of evaluating absolute value expressions. They will then perform specific roles within small heterogeneous groups to graph a specific absolute value function, make observations and share a larger “poster” with the class. Individual students will then observe all group posters, answer written questions and identify trends before summarizing their learning. A final ‘Exit Ticket’ requires individual work to demonstrate understanding and ensure readiness for moving forward.

Included Materials –

Detailed lesson plan
Function cards for group work
Individual worksheets (include Do Now, Group Round, Observation Round and Exit Ticket)
Blank graph paper (for “posters” and practice)
Answer key

Check out the preview for more details.
Total Pages
10 pages
Answer Key
Teaching Duration
45 minutes
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to see state-specific standards (only available in the US).
Identify the effect on the graph of replacing 𝘧(𝘹) by 𝘧(𝘹) + 𝘬, 𝘬 𝘧(𝘹), 𝘧(𝘬𝘹), and 𝘧(𝘹 + 𝘬) for specific values of 𝘬 (both positive and negative); find the value of 𝘬 given the graphs. Experiment with cases and illustrate an explanation of the effects on the graph using technology.
Graph square root, cube root, and piecewise-defined functions, including step functions and absolute value functions.
Graph functions expressed symbolically and show key features of the graph, by hand in simple cases and using technology for more complicated cases.
For a function that models a relationship between two quantities, interpret key features of graphs and tables in terms of the quantities, and sketch graphs showing key features given a verbal description of the relationship.
Use function notation, evaluate functions for inputs in their domains, and interpret statements that use function notation in terms of a context.


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