Scavenger Hunt: What can you do with a TI-Nspire CX ...
Scavenger Hunt: What can you do with a TI-Nspire CX Handheld?
Getting to Know the Keypad ¨C Draw arrows from these descriptions to the picture of the TI-NSpire
CX shown at right.
1. The most important keys: Home/On c, d, and
¡¤
2. Math Symbols:
a. Multiplication / Division
b. Addition / Subtraction
c. Exponent l
d. Pi ?
e. Equals =
f. Negative numbers v (note: this is NOT the
subtraction key!)
3. Other useful symbols
a. Comma ,
b. Delete .
c. ¡°Flying calculator¡±
d. Space _
e. Shift g
4. Which key do you push to access the light blue or yellow
functions on the key pad? ____________
5. Why do you think the X , Y and Z keys are not the
same color as the rest of the letter keys?
____________________________________________
6. The CLICK button is located in the center of the TouchPad.
What do you think the icons on the CLICK button mean?
____________________________________________
?
Navigating the Handheld: Now turn on your TI-NSpire
Press c to turn the handheld on and/or go to the HOME
screen.
7. How many choices do you have from the home screen? (Include choices made by pressing letters,
numbers or the arrow keys). _______________
8. Use the letter and number keys, or the arrow keys around the TouchPad, to navigate around the
HOME screen and explore these choices:
a. What is the difference between the two ¡°Scratchpad¡± choices on the left side of the c
screen? ________________________________________________________
_
b. Which option might you select to graph a line? _________________
c. Which option might you select to construct a triangle? _______________
d. Which option might you select to collect some data? ________________
e. What are two different ways to get to a ¡°calculate¡± screen? __________
f. Choose SETTINGS ¨C STATUS to see how much charge there is on your battery. ___________ %
Traylormath 2015
Hints
?
?
You can usually press c or d to get out of a place you don¡¯t want to be.
If you make a mistake, you can press . or / Z to ¡°undo.¡± This works like the backspace key and
¡°undo¡± menu choice on a computer. Try it: key in a problem on the scratchpad calculator, then make a
change to your problem before pressing ¡¤ .
You will probably use the Scratchpad frequently for calculations and graphing functions, but you can
also create, use and save multi-page documents with calculations, graphs, geometric figures, lists and
spreadsheets, text (¡°Notes¡±) and data the you collect with scientific instruments.
If you are in Scratchpad, you can press d , or c and 4: CURRENT to get back to your ¡°current¡±
document.
?
?
Performing Calculations
Press c, then 1 to open a New Document, (¡°don¡¯t save,¡± if it asks you) then 1 to Add a
Calculator Page to the document. A blank page appears on the screen and a tab labeled 1.1 appears
in the top left. This means you are in Problem 1, Page 1.
t
Press
(It¡¯s next to the 9). It brings up a template for various math symbols that you can use.
What does the first symbol represent? _______________ What are some other symbols that you
might use? _______________________________ Press d to make the symbols go away.
10. Do the following problems on your ¡°Calculator¡± page.
Problem
Your solution
Hints
Did you use the v key?
a. ?12.1 ? 15.3
9.
b. 143.72 ????? 8.9
c. 554
d. 38 ? 45
e.
3
¡Ì64
g.
h.
i.
7
5
+ 12
1+5
7+5
1
Use the right arrow key to get out of the exponent
box.
Can you find two different ways to do this?
f. |?54.2| + 5 ? |14.7|
1
What does the multiplication symbol look like on
the screen?
How many different ways can you do this?
5
?
7 12
j. 4.56 ¡Á 104
k. (8 + 4) ¡Á (15 ? 9)
Traylormath 2015
Where are the absolute value bars?
Just use the division sign to get a fraction. Did you
want a fraction or a decimal for your answer?
Press /¡¤ to force a decimal.
What must you do to get the correct answer of ??
What do you need to include to get it to look like
this on your screen?
There are three ways to do this, using l , s , or
i. Try them all!
What happens if you don¡¯t use parentheses?
Graphing Functions
11. Press / ~ ¡°Add Graphs¡± to add a function graphing page to your document. At the top of the
screen you will see the function entry line, f1(x)=. (example: f1(x)=3x+4)
a. Key in a function of your choice and press ¡¤ to see your graph and function. Use the letter x
for your variable.
b. Press e to re-open the function line. It will now be on f2(x)= . Key in another function that will
intersect your first function with the intersection point visible on the screen.
(example: f2(x)= -2x+1)
c. Using the b key, see if you can find at least two ways to locate the point of intersection.
Using Notes pages
12. Press / ~ and ¡°Add Notes.¡± Type a few words. How do you get upper-case letters?
_________________ How do you do CAPS lock? _______________________
13. Type a vocabulary term and definition with an example. To get a ¡°math box,¡± press / M. That
allows you to type mathematically correct expressions or equations. You can also do calculations
within a math box.
14. How could you use Notes pages in math class? ________________________________________
Lists & Spreadsheets, Data & Statistics
15. Press / ~ and ¡°Add Lists & Spreadsheets.¡± Collect
some data from several people sitting near you and key it
in as shown. Put the Label in the top row (marked with a
label), skip the row with the = sign, and put your data into
the numbered rows. Be sure to press ¡¤ when you are
done.
16. Press / ~ and ¡°Add Data & Statistics.¡± Move the
cursor to ¡°Click to add variable¡± and experiment with the
graphs you can create. Use the b key for more options.
Geometry
17. Press / ~ and ¡°Add Geometry.¡± Use the b key to find the Geometry tools. Experiment with
drawing shapes and lines. With the 2: View menu, you can graph in 3D!
How can I learn more?
?
?
?
?
Go to and choose ¡°Activities¡± to find math and science activities searchable by
content, standards or textbook.
Go to and choose ¡°Professional Development.¡± Choose ¡°Online Learning,¡±
then ¡°Tutorials¡± to find links to online video tutorials from Atomic Learning for basic NSpire skills.
Teachers: attend the webinars where expert teachers demonstrate how to use NSpire in your
classroom.
For very specific topic, do a Google search. For example, ¡°How do I graph a circle on a TI-NSpire?¡± gives
thousands of results, including YouTube videos and the Atomic Learning tutorials.
Join the TI-NSpire Google group. The members are happy to answer even very basic questions!
Traylormath 2015
Scavenger Hunt: What can you do with a TI-Nspire CX Handheld?
Getting to Know the Keypad ¨C Draw arrows from these descriptions to the picture of the TI-NSpire
CX shown at right.
1. The most important keys: Home/On c, d, and ¡¤
7. Math Symbols:
a. Multiplication / Division
b. Addition / Subtraction
c. Exponent l
d. Pi ?
e. Equals =
f. Negative numbers v (note: this is NOT the subtraction
key!)
8. Other useful symbols
f. Comma ,
g. Delete .
h. ¡°Flying calculator¡±
i. Space _
j. Shift g
9. Which key do you push to access the light blue or yellow
functions on the key pad? ____/________
10. Why do you think the X , Y and Z keys are not the same
color as the rest of the letter keys?
___Because they are often used as variables________
11. The CLICK button is located in the center of the TouchPad. What
do you think the icons on the CLICK button mean? The arrow
means ¡°Click¡± and the hand is ¡°Grab.¡±_______
?
Navigating the Handheld: Now turn on your TI-NSpire
Press c to turn the handheld on &/or go to the HOME screen.
21. How many choices do you have from the home screen? (Include choices made by pressing letters,
numbers or the arrow keys). ___14______
22. Use the letter and number keys, or the arrow keys around the TouchPad, to navigate around the
HOME screen and explore these choices:
a. What is the difference between the two ¡°Scratchpad¡± choices on the left side of the c
screen? ___Calculate screen and Graphing Functions screen_______
b. Which option might you select to graph a line? _
or B: Graph________________
c. Which option might you select to construct a triangle? ___
d. Which option might you select to collect some data? ___
_
____________
_or
____________
or A: Calculate_________
e. What are two different ways to get to a ¡°calculate¡± screen? _
f. Choose SETTINGS ¨C STATUS to see how much charge there is on your battery. ___________ %
Traylormath 2015
Hints
?
?
You can usually press c or d to get out of a place you don¡¯t want to be.
If you make a mistake, you can press . or / Z to ¡°undo.¡± This works like the backspace key and
¡°undo¡± menu choice on a computer. Try it: key in a problem on the scratchpad calculator, then make a
change to your problem before pressing ¡¤ .
You will probably use the Scratchpad frequently for calculations and graphing functions, but you can
also create, use and save multi-page documents with calculations, graphs, geometric figures, lists and
spreadsheets, text (¡°Notes¡±) and data the you collect with scientific instruments.
If you are in Scratchpad, you can press d , or c and 4: CURRENT to get back to your ¡°current¡±
document.
?
?
Performing Calculations
Press c, then 1 to open a New Document, (¡°don¡¯t save,¡± if it asks you) then 1 to Add a
Calculator Page to the document. A blank page appears on the screen and a tab labeled 1.1 appears
in the top left. This means you are in Problem 1, Page 1.
t
23. Press
(It¡¯s next to the 9). It brings up a template for various math symbols that you can use.
What does the first symbol represent? _a fraction__ What are some other symbols that you might
use? __square root, absolute value, exponent__ Press d to make the symbols go away.
24. Do the following problems on your ¡°Calculator¡± page.
Problem
Your solution
Hints
Did you use the v key?
a. ?12.1 ? 15.3
-27.4
b. 143.72 ????? 8.9
1279.11
c. 554
9150625
d. 38 ? 45
5537
e.
3
¡Ì64
4
f. |?54.2| + 5 ? |14.7|
g.
h.
i.
1
7
5
+ 12
1+5
7+5
1 5
?
7 12
j. 4.56 ¡Á 104
k. (8 + 4) ¡Á (15 ? 9)
Traylormath 2015
t
Where are the absolute value bars? t
127.7
47
84
What does the multiplication symbol look like on
the screen? A small dot
How many different ways can you do this?
Exponent key l, t , 55 ¡Á 55 ¡Á 55 ¡Á 55
Use the right arrow key to get out of the exponent
box.
Can you find two different ways to do this? ? or
or 0.559524
1
2
5
84
You can use t or the division sign to get a
fraction. Did you want a fraction or a decimal for
your answer? Press /¡¤ to force a decimal.
What must you do to get the correct answer of ??
Use parentheses.
What do you need to include to get it to look like
this on your screen? Parentheses
There are three ways to do this, using l , s , or
i. Try them all!
What happens if you don¡¯t use parentheses?
................
................
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