Number Crunching! Number Munching!

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Middle Grades Math: Number Sense

Math: Middle Grades Math: Basic Facts

Math: PreAlgebra: Number Sense and Operations

Math: PreAlgebra: Expressions

Level

9-12

Activity Time

60 Minutes

TI Calculator

TI-30X IIS

Other Materials

This is Activity 3 from the EXPLORATIONS Book:
Math Investigations with the TI-30X IIS: Activities for Secondary Mathematics

Resource Types

Lessons

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Number Crunching! Number Munching!

Activity Overview

Students comprehend the order of operations and apply this understanding to simplify and evaluate expressions. They also learn to represent problems that involve variable quantities with expressions and use the calculator as a tool to solve problems.

Before the Activity

See the attached PDF file for detailed instructions for this activity

Print pages 28 - 30 from the attached PDF file for your class

During the Activity

Distribute the pages to the class.

Follow the activity procedures:

Understand the keystrokes required to perform mathematical operations on the calculator

Enter expressions with and without parenthesis and find the results

Understand the order of arithmetic operations to be followed when simplifying an expression

Simplify and evaluate expressions using the appropriate order of operations

Use the calculator to store variables and evaluate expressions

Apply these concepts to solve problems on the Student Activity pages

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

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Before the Activity Files

Teacher Notes PDF

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Middle Grades Math: Number Sense

Math: Middle Grades Math: Basic Facts

Math: PreAlgebra: Number Sense and Operations

Math: PreAlgebra: Expressions

Level

9-12

Activity Time

60 Minutes

TI Calculator

TI-30X IIS

Other Materials

This is Activity 3 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 Crunching! Number Munching!

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