Education Technology

Rational Expression Multiplication

Subject Area
Math: Algebra I: Simplifying Rational Expressions
Level
9-12
College
Activity Time
30 Minutes
Software
TI Connect™
TI Calculator
TI-84 series
Other Materials
Suggestion: Use as a lead-in to 7.3 - either to students right before (or at the beginning of) class, or as your presentation.
Resource Types
Lessons

Rational Expression Multiplication

Activity Overview

This StudyCards™ set uses guided discovery concepts to develop ideas for functions operations, building from rational expression multiplication and division algorithms. Use with Foundations for College Mathematics, ch. 7.3.

Before the Activity

Students should have access to either the TI-83 Plus or TI-84 Plus family of calculators. Download the attached StudyCard file to students' calculators.

During the Activity

Rational expression multiplication and division algorithms are based in arithmetic, but then progress to function operations. Use this StudyCards set to learn go through guided discovery concepts to develop ideas for the operations. Confirm products or quotients by comparing numeric representations of the problem and your answers. A discussion of domain is included.

After the Activity

Review student results:

  • As a class, discuss questions that appeared to be more challenging
  • Re-teach concepts as necessary
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    Subject Area
    Math: Algebra I: Simplifying Rational Expressions
    Level
    9-12
    College
    Activity Time
    30 Minutes
    Software
    TI Connect™
    TI Calculator
    TI-84 series
    Other Materials
    Suggestion: Use as a lead-in to 7.3 - either to students right before (or at the beginning of) class, or as your presentation.
    Resource Types
    Lessons
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