Hat Trick

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Elementary Math: Algebraic Thinking

Math: Elementary Math: Probability, Statistics and Data Analysis

Level

K-5

Activity Time

60 Minutes

TI Calculator

TI-15 Explorer™/TI-10

Other Materials

Poster paper for visual display
Chart-sized grid paper (optional or visual display)
Markers
Overhead projector or chalkboard
Paper, pencils

Resource Types

Lessons

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Hat Trick

Activity Overview

Students learn to solve a real-world problem in economics. Students get to understand how surveys often use a sample of people rather than all of the people involved. They also learn how to make decisions based on the results of a sample survey.

Before the Activity

See the attached PDF file for detailed instructions for this activity

Print pages 43 - 49 from the attached PDF file for your class

Review the four steps of problem solving with the students

During the Activity

Distribute the pages to the class.

Follow the activity procedures:

Understand the problem and study the facts given

Make a plan on how to determine the number of hats the company should make in each size, color, and logo

Conduct a survey in class to determine the favorite colors, hat sizes, and favorite sports team

Discuss how surveys are made with a sample rather than all the people

Use the survey results to find out which hats will sell

Make a presentation of the survey results

Identify what information and how this information should be displayed in the presentation

Using pi

Use the calculator and the value of pi to find the circumference and diameter of a circle

After the Activity

Students evaluate each presentation.

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: Elementary Math: Algebraic Thinking

Math: Elementary Math: Probability, Statistics and Data Analysis

Level

K-5

Activity Time

60 Minutes

TI Calculator

TI-15 Explorer™/TI-10

Other Materials

Poster paper for visual display
Chart-sized grid paper (optional or visual display)
Markers
Overhead projector or chalkboard
Paper, pencils

Resource Types

Lessons

Report an Issue

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Hat Trick

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