Number Power!

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Algebra I: Exponential Functions

Math: Algebra I: Logarithmic Functions

Level

9-12

Activity Time

60 Minutes

TI Calculator

TI-30 X IIS™ / TI-30Xa

Other Materials

This is Activity 5 from the EXPLORATIONS Book:
Math Investigations with the TI-30X IIS: Activities for Secondary Mathematics

Resource Types

Lessons

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Number Power!

Activity Overview

Students explore patterns and rules in dealing with exponents and logarithms. They evaluate expressions with exponents and logarithms and display them in various notations. They will use their calculators to discover the power of exponents and their usefulness in the world.

Before the Activity

See the attached PDF file for detailed instructions for this activity

Print pages 50 - 52 from the attached PDF file for your class

During the Activity

Distribute the pages to the class.

Follow the activity procedures:

Evaluate exponential expressions and display the result as decimals rounded to the nearest thousandth

Examine patterns that result from algebraic manipulation, and make and verify conjectures about general algebraic properties

Realize that negative numbers raised to odd powers produce negative results, and even powers produce positive results

Use the calculator to determine if expressions are equivalent

Express numbers in scientific notation

Learn how to calculate common and natural logarithms using the calculator

Determine the number of bytes in a kilobyte and a megabyte

After the Activity

Students complete the Student Activity pages.

Review student results

As a class, discuss questions that appeared to be more challenging

Re-teach concepts as necessary

Download Files

Download All Files (ZIP)

Before the Activity Files

Teacher Notes PDF

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Algebra I: Exponential Functions

Math: Algebra I: Logarithmic Functions

Level

9-12

Activity Time

60 Minutes

TI Calculator

TI-30 X IIS™ / TI-30Xa

Other Materials

This is Activity 5 from the EXPLORATIONS Book:
Math Investigations with the TI-30X IIS: Activities for Secondary Mathematics

Resource Types

Lessons

Report an Issue

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Number Power!

Number Power!

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