Let Us Count the Ways!

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Statistics: Probability and Random Variables

Level

9-12

Activity Time

60 Minutes

TI Calculator

TI-30X IIS

Other Materials

This is Activity 14 from the EXPLORATIONS Book:
Math Investigations with the TI-30X IIS: Activities for Secondary Mathematics

Resource Types

Lessons

Report an Issue

Let Us Count the Ways!

Activity Overview

Students evaluate expressions using permutations and combinations of data elements on the calculator. They solve problems using these counting principles.

Before the Activity

Understand the concept of permutations and combinations

See the attached PDF file for detailed instructions for this activity

Print pages 141 - 142 from the attached PDF file for your class

During the Activity

Distribute the pages to the class.

Follow the activity procedures:

Find the number of all possible arrangements in a situation using the multiplication counting principle

Use the calculator to solve factorial problems

Use the multiplication counting principle to understand permutation and use the calculator to solve permutation problems

Determine the various possible arrangements of letters in a given word

Apply the formula for determining the number of combinations and solve problems

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: Statistics: Probability and Random Variables

Level

9-12

Activity Time

60 Minutes

TI Calculator

TI-30X IIS

Other Materials

This is Activity 14 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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Let Us Count the Ways!

Let Us Count the Ways!

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