Activity Detail

If you are using a TI-73, TI-83, TI-84 or TI-89, there may be particular math or science applications you will need to download to use certain activities. If you are using TI-Nspire technology, please update your TI-Nspire handheld operating system or computer software to view the latest activities. The latest TI-Nspire operating system was released in June 2009.

Browse by Subject

Submit Activity

Saved Activities

Advanced Search

add to saved activities

print this activity

	An Average Lunch?

Activity Overview

Students explore the meaning of the average (mean) value for a set of data.

Before the Activity

See the attached PDF file for detailed instructions for this activity

Print student activity sheet page 131 from the attached PDF for your class

Activity Downloads:

(file types)

UncoverMath_Act27.pdf

During the Activity

Distribute the page to the class.

Follow the activity procedures:

Work in small groups to brainstorm different possible combinations of lunch prices that could give an average lunch price of $1.85 each day

Record the combinations

Encourage students to use efficient mathematical notation

Look for patterns in the sets of data recorded

Understand what a mean value represents and what it tells about the value of the individual pieces of data

Describe characteristics that might be expected in a data set that has a given mean value

After the Activity

Review student results

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

Re-teach concepts as necessary

Other Downloads

view standards alignment
view textbook alignment

Subject Area:
Math : Statistics : Probability and Simulation

Author:
Texas Instruments

Level:
5-8, K-4

Activity Time:
60 Minutes

Device:
TI-10, TI-15 Explorer™

Apps:

Software:

Accessories:

Other:
This is Activity 27 from the EXPLORATIONS Book:
Uncovering Math with Manipulatives, the TI-10, and the TI-15 Explorer

The following material is required for this activity:

Pencils

Report an issue with this activity