Activities

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- Before the Activity Files
- Teacher Notes PDF
Alignment
- Standards Alignment
- Textbook Alignment
Subject Area
- Maths: Elementary Math: Algebraic Thinking
- Maths: Elementary Math: Number Operations
Author

Texas Instruments
Level

K-5
Activity Time

60 Minutes
Device
- TI-10
- TI-15 Explorer™
Other Materials
- Pencils
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Picturing Percents

Activity Overview

Students represent percents on a 10 X 10 grid. They use the grid and the calculator to generate patterns that lead to methods for calculating percentages.

Before the Activity

See the attached PDF file for detailed instructions for this activity

Print student activity sheets pages 68 - 69 from the attached PDF file for your class

During the Activity

Distribute the pages to the class.

Follow the activity procedures:

Discuss what the term percent means

Represent various percentages using a 10 X 10 grid

Model a solution to a percentage problem on the grid

Generate different problems, record the data, and look for patterns to develop a method for calculating percentages

Use the calculators to test methods for calculating percentages

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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Before the Activity Files

Alignment

Subject Area

Author

Level

Activity Time

Device

Other Materials