Best Uses for the TI-84 Graphing Device in the Classroom.

Best Uses for the TI-84 Graphing Device in the Classroom

What Operating System do you have?

See if you have the most current Operating System• Press to access MEM • Select 1:About

• The most current OS is 2.55. If you don’t have it, then email • Missy Renshaw [email protected] or • Katie McCain [email protected] if you don’t know how to update

it

Graphing BasicsPress

How do I find my graph?

Resetting the Calculator

*Note: After resetting the memory you will need to Press MODE and select a+bi for complex form and turn Stat Diagnostics ON

TI Website for Teachers

http://education.ti.com/calculators/downloads/US/Activities/

TI for Middle Grades

Activity from 8th Grade Textbook

Multiple Representations!

Great Internet Resource

http://mathbits.com/MathBits/TISection/Openpage.htm

Fractions• Press to see to see the fraction

menu.

• n/d: Template for proper or improper fraction• U n/d: Template for mixed number• -> n/d <-> U n/d: Convert between proper or improper fraction

and mixed number • -> F <-> D: Convert between fraction and decimal

Sample Question – Grade 6

Sample Question – Grade 6

Storing Values and Equations• Store a value by entering a value, pressing

, then and whatever letter you’d like to use.

• Access Y1 with– To substitute into a stored equation (in Y= menu),

use function notation: Y1(15) will substitute 15 into the equation in Y1. Y1(A) will substitute the stored value for “A” into Y1.

– store an equation from a regression

Sample Question – Grade 7

Data Collection• Lists:– Create lists by pressing – To clear a list, highlight the name & press – Enter data; make sure dimensions match.

• Regression (On OS 2.53 or earlier):– Press and choose appropriate

regression– Store in Y1:– Press ENTER when screen looks like:

Data Collection• Lists:– Create lists by pressing – To clear a list, highlight the name & press – Enter data; make sure dimensions match.

• Regression (On the most current OS 2.55):– Press and choose appropriate

regression– Press ENTER after you cursor down to calculate:

Select Y1 bypressing Alpha F4

Sample

Question

Grade 6

Sample

Question

Grade 7

Sample

Question

Algebra I -

Data

Sample Question – Grade 8

Sample Question – Grade 8

Type just as you see it in the problem OR use the EE command

Sample Question Algebra I - Algebra

Inequalities

Press APPS to access built in applications

Inequalities (continued)

Troubleshooting

• The TI-84 Plus detects errors while performing these tasks.– Evaluating an expression – Executing an instruction – Plotting a graph – Storing a value

Common Error Messages

Common Error Messages

Common Error Messages

Common Error Messages

Link for the entire document

http://facstaff.bloomu.edu/skokoska/TI84PlusGuidebook.pdf