TI
Rational Number Rampage
A software
application
for the TI-73
Explorer
Getting Started
Starti ng and Qui t t ing the Applic ation
How To…
Play Rational Timer
Play Rational Match
Play Perc ent Square
More Information
Getting Help
Deleti ng th e Appl i cation
Error Recovery
Fractio ns Less than One
Percent Square Images
12/11/03 © 2002, 2003 Texas Instruments
Important Information
Texas Instruments makes no warranty, either express or implied,
including but not limited to any implied warranties of
merchantability and fitness for a particular purpose, regarding
any programs or book materials and makes such materials
available solely on an “as-is” basis.
In no event shall Texas Instruments be liable to anyone for
special, collateral, incidental, or consequential damages in
connection with or arising out of the purchase or use of these
materials, and the sole and exclusive liability of Texas
Instruments, regardless of the form of action, shall not exceed
the purchase price of this item or material. Moreover, Texas
Instruments shall not be liable for any claim of any kind
whatsoever against the use of these materials by any other
party.
Graphing product applications (Apps) are licensed. See the
terms of the lic ense agr eement
for this product.
Microsoft, Windows, Windows NT, Apple, and Macintosh are
trademarks their respective owners.
Rational Number Rampage App Page 2
What is the Rational Number Rampage App?
The Rational Number Rampage App helps strengthen math skills
dealing with fractions, decimals, and percents. This application
contains three different games:
• Rat ion al Ti mer challenges yo u to convert numbers to
fractions, decimals, or percents, and input your answer before
ti me runs out on the clock.
• Rational Match tests your memory as well as your math skills.
Sixteen cards are shown facedown. On the face of each is a
number in fraction, decimal, or percent form. For each of
these numb ers, ther e is an equival ent r epresen tation on a
different card. You turn over two cards at a time, trying to
match all of the cards using the fewest tries possible.
• Percent Square shows numbers visually on the screen using
a hundreds square (10 by 10 grid). For each problem, a
different number of squares in the grid are shaded. You must
determine what portion the grid is shaded and enter the
answer in fraction, decimal, or percent form.
For assistance in playing Rational Number Rampage, see the
tables of equivalent values for fractions less than one
challenging hundreds squares
Rational Number Rampage App Page 3
.
and
The Rational Number Rampage application is a concept
appli cati on that TI want s to share w ith our customer s, educators,
and students before the product definition and testing are
complete. It is an alpha software version, and as such, it may
contain imperfections, or the coding may be incomplete.
TI invites your feedback concerning the functionality and
educational value of the Rational Number Rampage application.
Please send your comments and questions to
concept@list.ti.com.
Rational Number Rampage App Page 4
What You Need
Hardware and Software Note
TI-73 Explorer with ver si on 1.60 or
latest version of t he Graph Ex plor er
software
Computer with Micr osoft ® Windows®
95/98/2000/XP, Windows NT®, or
Apple® MacIntosh® OS 7. 1 or hi gher
installed
TI Connectivity computer-to-device
cable
TI Connect™ soft ware, whi c h works
with most supported models of Flashbased TI graphing dev ices
You can download a free copy of the
latest Graph Explorer software from
education.ti.com/softwareupdates
Follow the link to Operati ng
Systems.
TI Connectivity cables are available
for purchase fr om ret ail stor es, online
retailers, and instructional dealers.
See a list at education.ti.com/buy
You may also purchase TI
Connectivit y cables from the TI
online store at education.ti.com/shop
You can download free copies of
TI Connect software from
education.ti.com/downloadticonnect
.
.
.
.
Rational Number Rampage App Page 5
Where to Find Installation Instructions
Det ailed instructions on insta l ling thi s and o t her appl icat ion s are
available at education.ti.com/guides
. Follow the link to Flash
Installa tion Inst ructio ns.
Getting Help
The instructions in this guidebook are only for this application. If
you need help using the TI-73 Explorer, refer to its
comprehensive guidebook at education.ti.com/guides
For this application, help for each game is available from the
main menu and fro m the
1. From the main menu, highlight the number of the game you
need hel p w ith a nd then sel ect
— or —
From the
SELECT A LEVEL scr een for th e game, select HELP
(press s).
SELECT A LEVEL screen .
HELP (press s).
.
2. Select
NEXT (press s) to display subsequent screens of
help text.
3. Select
Rational Number Rampage App Page 6
QUIT HELP (p ress o) to return to the main menu.
Starting and Quitting the Application
Starting the Application
1. Press Πt o displ ay the list of applications on your TI-73.
2. Select
RRampage. The ap plication ’ s information sc reen is
displayed.
3. Press any key to continue. The programmer’s screen is
displayed.
4. Press any key to continue. The
RATIONAL NUMBER RA MPAGE
menu is displayed.
Quitting the Application
From the
RATIONAL NUMBER RAMPAGE menu, select QUIT or press
y 5.
Rational Number Rampage App Page 7
Navigating
o
p
q
r
s
For example,
Selecting Menu Items
You can select menu items in the following ways:
• Press } or † to highlight the menu item, and then press
Í to select it.
• Press the number key that corresponds to the menu item.
Using On-Screen Options
Each screen displays one or more options along the bottom of
the screen. To s elec t an option, pr ess the gra phing key direct l y
be low the option.
press s to
select %.
Note You must use the on-screen option key s for UNIT, n/d, and %. You
CANNOT use device keys.
Rational Number Rampage App Page 8
Rational Timer
The game displays a fraction, decimal or percent inside the
clock. The format that th e number should be c onverted to is
sh own b elow t he clock. Try to beat th e clo ck, entering your
answer as quickly as possible. The faster you correctly answer
problems, the more points you score.
1. Select
LEVEL screen is displayed.
RATIONAL TIMER from the main menu. The SELECT A
2. Press } or † to m ove the cu rsor to the level you want to
play, and then press Í to se le ct the level. The Rational
Timer game scre en is disp layed.
Level Description
Bronze The game contains fr ac tion, decimal, and percent
representations of halves, thirds (equivalent fractions only),
fourths, fifths, si x ths (equivalent fractions onl y ) , eighths, and
tenths. Number s range bet ween 0 and 1.
Silver The game contains fraction, decimal, and percent
representations of halves, thirds, fourt hs, fif ths, sixths,
eighths, tent hs, twelfths, and sixteenths. Number s range
between 0 and 1.
Gold Same as Silver but numbers range between 0 and 2.
Note From the SELECT A LEVEL screen, you can see the hi gh scores for
the game, by selecting
Rational Number Rampage App Page 9
HIGH.
3. P ress any key t o disp lay t he first problem.
For this problem,
convert 0.125 to a
Messages are
Enter your
displa yed here.
fraction.
answer here.
4. Input your answer, and then press Í to check your
answer. The message box displays
answer is correct, or
TIME OUT if you do not enter the correct
WELL DONE! when your
answer before time on the clock runs out.
Note If your answer is incorr ec t and you still have time left on the clock,
your answer is erased so that you can ent er a new answer.
To input this type
of number …
Repeating decimal Input the decimal v alue, place the cursor on the
Fraction Input the numerator, select n/d, and then input the
Do this:
number that repeat s, and then select BAR.
Example: 0.083 BAR "
denominat or. All frac tions must be in the simplest
form.
30.08
Rational Number Rampage App Page 10
To input this type
of number …
Do this:
Mixed fraction
Percent Input the number, and then sel ec t %.
Input the whole number, select UNIT, input the
numerator, selec t
denominat or. Impr oper frac tions are not accepted
as correct. Exam ple: 160% " 1
n/d, and then input the
3
8
not
5
.
5
5. Press any key to display the next problem. After 10 problems,
the game is over.
6. If your score is a new high score, enter your initials;
otherwise, select
game or select
PL AY AGAIN to play a new Rational Timer
MENU to return to the main menu.
Scoring
Your score is calculated based on the level of play and the
number of tick marks left on the clock when you enter a correct
answer.
Level Points per Tick Mark
Bronze 1
Silver 2
Gold 3
Rational Number Rampage App Page 11
Rational Match
The game screen shows 16 cards facedown. On the face of
each card is a number in either fraction, decimal, or percent
form. Turn the cards over and determine whether the numbers
are equivalent. The object of the game is to match each card
with its equivalent card in as few moves as possible to get the
lowest score. Matched cards are removed from the game, but
unmatched cards are returned, facedown.
Tip The Silver and Gold levels can be challenging at first because
they can contain number s that y ou might not be used to seeing
(e.g., representations of twelfths and sixteenths). You might want
to record the number s in a 4x4 array as you play the gam e. Aft er
playing these levels a few times, they will become more familiar.
For assistance in pl ayi ng Rational Match, see the table of
equivalent values for f r ac tions less than one
1. Select RATIONAL MATCH from the main menu.
2. Press } or † to m ove the cu rsor to the level you want to
play, and then press Í to se le ct the level. The Rational
Match game screen is displayed.
.
Rational Number Rampage App Page 12
Level Description
Bronze The game contains fraction, dec ima l, and per cen t represen tations
of halves, thirds, fourths, fifths, sixths, and eighths. Numbers range
between 0 and 1. A ll fractions are in the simplest form.
Silver The game contains fraction, decimal, and percent
representations of halves, thirds, fourt hs, fif ths, sixths,
eighths, tent hs, twelfths, and sixteenths. Number s range
between 0 and 1.
Gold Same as Silver but numbers range between 0 and 2.
Note From the SELECT A LEVEL screen, you can see the l ow scores
for the game, by selecting
LOW.
3. Press }, †, |, or ~ to move the cursor to a card, and then
select
SHOW to see the face of the card.
4. Repeat step 3 to see the face of another card.
Rational Number Rampage App Page 13
5. Determine whether the numbers are equivalent, and then
select = if the nu m bers are equ al or ≠ if the numbers are n ot
equal. A message is displayed stating whether your answer is
correct or incorrect.
If the cards are equal, they are removed from the game. If
the cards are not equal, they are returned to the game and
placed facedown in the same positions where they were
previously.
6. Repeat steps 3–5 until all of the cards are gone.
7. If your score is a new low score, enter your initials;
otherwise, select
game or
MENU to ret urn to th e main menu.
PL AY AGAIN to play another Rational Match
Rational Number Rampage App Page 14
Scoring
The object of this game is to keep your score as low as possible.
There is no penalty on the first turn. After the first turn, points are
assessed as described in the following table.
Cards are equal and
your answer is
Level = ≠
Bronze 0 6 6 3
Silver 0 4 4 2
Gold 0 2 2 1
≠ = ≠
≠≠
Cards are not equal and
your answer is
≠
≠≠
Rational Number Rampage App Page 15
Percent Square
Either one or two hundreds squares are displayed on the screen
depending on the level and problem. Each hundreds square has
some of its squares shaded. A message is displayed telling you
to answer what fraction, decimal, or percent of the squares are
shaded.
Tip For assistance in pl ayi ng P er c ent Square, see the table of
equivalent values
1. Select PERCENT SQUARE from the main m enu. The SELECT A
LEVEL screen is displayed.
2. Press } or † to m ove the cu rsor to the level you want to
play, and then press Í to sele ct the level. The Pe rc ent
Square game screen is displayed.
Level Description
Silver The game contains fractions, decimals, and percent s from
0 through 1.
Gold The game contains fractions, decimals, and percent s from
0 through 2.
for challenging hundreds squares.
Note From the SELECT A LEVEL screen, you can also see
• an animated demonstration of the game by selecting
• the high scores for the gam e by selecti ng
Rational Number Rampage App Page 16
HIGH.
DEMO.
3. Press any key to start the game. Part of the hundreds square
Answer box
Hundreds
For this problem,
is shaded, and a message tells you in what form your answer
sh oul d appe ar.
square = 1 unit
give the answer
in fraction form
(simplest terms).
4. Input your answer, and then press Í to check it. If your
first answ er is incorrect, you can try again. If your final
answer is incorrect, the correct answer is displayed.
To input this type
of number …
Fraction Input the numerator, select n/d, and then input the
Do this:
denominat or. All frac tions must be in the simplest
form.
Mixed fraction
Percent Input the number, and then sel ec t %.
Rational Number Rampage App Page 17
Input the whole number, select
numerator, selec t
denominat or. Impr oper frac tions are not accepted
as correct. Exam ple: 160% " 1
n/d, and then input the
UNIT, input the
8
3
not
.
5
5
5. Press any key to display the next problem. After you answer
10 problems, the game is over.
6. If your score is a new high score, enter your initials;
otherwise, select
Square game or select
PL AY AGAIN to play another Percent
MENU to return to the main menu.
Scoring
Your score is calculated based on the level of play and whether
the answer was correct on the first try.
Correct Answer
Level First Try Second Try
Silver 10 pts 5 pts
Gold 20 pts 10 pts
Rational Number Rampage App Page 18
Entering Initials in the High / Low Score Table
When you reach a high or low score, you can enter your initials
in the score table. The initials displayed are AAA until you
cha n ge them.
1. Press } and † to cycle the display through the available
letters, in alphabetical order.
2. Press | and ~ to move the cursor between the positions for
each letter.
3. Press Í to confirm your input.
Your initials and your points are added to the score table.
Rational Number Rampage App Page 19
Deleting the Application
1. Quit the App.
2. Press y L to display the
3. Select
4. Select
5. Move the cursor to
Delete.
Apps.
RRampage.
MEMORY menu.
6. Press Í. A con f irmation message is d isplaye d.
7. Select
Yes to delete the application.
Rational Number Rampage App Page 20
Installation Error Messages
Low Battery
Do not attempt to download a Flash application if the low-battery
message appears on the home screen. Low battery indication is
shown on the initial screen. If you receive this error during an
installation, change the batteries before trying again.
Invalid Signature or Certificate
Either this device does not have a certificate to run the
application, or electrical interference caused the link to fail. Try to
install the application again.
Error in Xmit
This problem is usually associated with the device-to-device
cab le and its connection between t he d evic es. M ake sure the
cable is firmly inserted in the link port of each device.
Rational Number Rampage App Page 21
Communication Error
This error indicates that the TI Connect™ software (“Unable to
communicate with device”) is unable to communicate with the
device. The problem is usually associated with the TI
Connectivity cable and its connection to the device or to the
computer.
• Make sure the cable is firmly inserted into both the device link
port and the computer.
• Verify that the correct cable type is selected in the software
link settings.
• Verify that the correct communications port (Com Port) is
selected in the software link settings. (This does not apply if
using the USB port and TI Connect software.)
Memory Error
This error occurs when the TI-73 Explorer does not have
su ffic ient memory for the applic ation. In orde r to make room f or
another application, you must delete an application from the
device. Before you delete an application from the TI-73 Explorer,
you can save it to your computer using TI Connect. You can
reload it to the device later using TI Connect software.
Rational Number Rampage App Page 22
Other Errors
See the TI-73 Explorer guidebook. Guidebooks can be obtained
from education.ti.com/guides
.
Rational Number Rampage App Page 23
Checking Version Numbers and Free Space
Verify Operating System Version and ID Number
The Rational Numbe r Ra mpage applic a tion is comp at ib le with
TI-73 Graph Explorer software version 1.60 or higher.
To verify your operating system version number:
1. From the home screen, press y L.
2. Select
ABOUT.
The operating system version number is displayed below the
product name and has the format x.yy. The ID number appears
on the line below the product number.
Verify Flash Application Version
The version number appears on the information screen below
the app l ica t ion name. To displ ay the information screen , do on e
of the following:
• Press Œ, and then select
RRampage.
—or—
• Select
INFO fro m the RATIONAL NUMBER RAMPAGE menu.
Check Amount of Flash Application Free Space
1. From the home screen, press y L.
Rational Number Rampage App Page 24
2. Select Check Apps.
The Rational Number Rampage application requires one free
space to load the application. For more information about
memory and memory management, refer to the TI-73 Explorer
guidebook.
Rational Number Rampage App Page 25
Table of Equivalent Values
Type Fraction Decimal Percent Type Fraction Decimal Percent
Halves 1/2 0.5 50% Twelfths 1/12
Thirds 1/3
2/3
Fourths 1/4 0.25 25% 4/12 = 1/3
2/4 = 1/2 0.5 50% 5/12
3/4 0.75 75% 6/12 = 1/2 0.5 50%
Fifths 1/5 0.2 20% 7/12
2/5 0.4 40% 8/12 = 2/3
3/5 0.6 60% 9/12 = 3/4 0.75 75%
4/5 0.8 80% 10/12 = 5/6
Sixths 1/6
2/6 = 1/3
3/6 = 1/2 0.5 50% 2/16 = 1/8 0.125 12.5%
4/6 = 2/3
5/6
Eighths 1/8 0.125 12.5% 5/16 0.3125 31.25%
2/8 = 1/4 0.25 25% 6/16 = 3/8 0.375 37.5%
3/8 0.375 37.5% 7/16 0.4375 43.75%
4/8 = 1/2 0.5 50% 8/16 = 1/2 0.5 50%
5/8 0.625 62.5% 9/16 0.5625 56.25%
6/8 = 3/4 0.75 75% 10/16 = 5/8 0.625 62.5%
7/8 0.875 87.5% 11/16 0.6875 68.75%
Tenths 1/10 0.1 10% 12/16 = 3/4 0.75 75%
2/10 = 1/5 0.2 20% 13/16 0.8125 81.25%
3/10 0.3 30% 14/16 = 7/8 0.875 87.5%
4/10 = 2/5 0.4 40% 15/16 0.9375 93.75%
5/10 = 1/2 0.5 50%
6/10 = 3/5 0.6 60%
7/10 0.7 70%
8/10 = 4/5 0.8 80%
9/10 0.9 90%
30. %333.
60. %666.
60.1 %616.
30. %333.
60. %666.
30.8 %383.
Sixteenths 1/16 0.0625 6.25%
2/12 = 1/6
3/12 = 1/4 0.25 25%
11/12
3/16 0.1875 18.75%
4/16 = 1/4 0.25 25%
30.08 %38.
60.1 %616.
30. %333.
60.41 %641.
30.58 %358.
60. %666.
30.8 %383.
60.91 %691.
Rational Number Rampage App Page 26
Equivalent Values for Challenging Percent Square Problems
Value Shaded
Square
20/100
1/5
20%
0.2
23/100
23/100
23%
0.23
Value Shaded Square
39/100
39/100
39%
0.39
40/100
2/5
40%
0.4
Rational Number Rampage App Page 27
Value Shaded
Square
Value Shaded Square
24/100
6/25
24%
0.24
44/100
11/25
44%
0.44
Rational Number Rampage App Page 28
Value Shaded
Square
Value Shaded Square
25/100
1/4
25%
0.25
30/100
3/10
30%
0.3
33/100
33/100
33%
0.33
50/100
1/2
50%
0.5
60/100
3/5
60%
0.60
Rational Number Rampage App Page 29
Concept Application Evaluation License Agreement
(Including Preview, Prototype, and Demo Apps)
BY D OWNLO ADI NG T H E S OF TWARE A N D/OR D OCUMENT ATION YOU AGREE TO A B IDE BY
THE FOLLOWING PROVISION S.
1. LICENSE: Texas Inst ru m ent s Incorporated (“TI ”) gr ants you a license to use and c op y th e
softwar e pr ogram(s) (“Licens ed M at er i als ”) c ont ain ed on t his dis k et t e/ CD / w eb sit e. You, and any
subsequ ent user, m ay only use the Lic ensed Materi als on Texas Instrum en t s c alcu l at or
products.
2. RESTRICTIONS: You may not rev erse-ass em bl e or rev erse-com pi le the Licens ed M at er i als .
You may not sell, rent, or lease copies that you make.
3. COPYRIGHT: The Licens ed M at er i als are c op yr ig ht ed b y TI or the thi r d party licensor. Lic ens ee
agrees th at h e/s h e wil l not delet e the c op yright notice, tradem arks or pr otec t i ve n otices from the
Licensed Materials or copies made during installation.
4. SUPPORT: The Lic ensed Mater i als are provided b y TI wit h t h e und erstandin g that only limi t ed
support f or this c onc ept app lication m ay b e av ail ab le from TI.
5. TESTING: Licensee acknowledges that he/she understands that TI has not in all cases
subjected concept applications to rigorous testing and that the concept application may cause
problems with his/her c alc ul at or , inc l ud in g it s use in any kind of sh are d environm ent. Furth er, it
is possibl e for a concept app lication to cause c alcu l at or cr ash es or loc k ups wh ic h m ay b e
diffic ult t o rec o ver from. You ar e advised th at us e of the c oncept appl ication is AT YOU R OWN
RISK.
6. WARRANTY: TI does n ot war r ant th at t h e Licensed Materials wi ll b e f r ee from errors or will
meet your specific requirements.
THE LICENSED MATERIALS ARE MADE AVAILABLE "AS IS" TO LICENSEE.
Rational Number Rampage App Page 30
7. LIMITATIONS: TI MAKES NO WARRANTY OR CONDITION, EITHER EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE
LICENSED MATERIALS.
IN NO EVENT SHALL TI, ANY THIRD PARTY LICENSOR, OR TI'S SUPPLIERS BE LIABLE
FOR ANY INDIRECT , INC I DE NT AL OR CON SE Q UENT I AL D AM AG ES, LOS S OF PROFITS,
LOSS OF USE OR DATA, OR INTERRUPTION OF BUSINESS, WHETHER THE ALLEGED
DAMAGES ARE LABELED IN TORT, CONTRACT OR INDEMNITY.
SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR
CONSEQUENTIAL D AMAG E S, SO THE AB OVE L IMITATI ON MAY NOT A P P L Y.
8. RESTRICTED RIGHTS: The Licensed Mat eri als ar e pr ovi d ed wi th R est r ic t ed R ig hts . Use,
duplication or disclosure by the United States Government is subject to restrictions as set forth in
subparagraph [c](1)(ii) of the Rights in Technical Data and Computer Software clause at DFARS
252.227-7013 or in subparagraph [c](1) and (2) of the Commercial Computer Software Restricted Rights at 48 C FR 52.227- 19 , as ap pl icable.
Rational Number Rampage App Page 31
Page Reference
This PDF document contains electronic bookmarks desi gned for easy
on-screen navigation. If you decide to print thi s document, please use the page
numbers below to find specific topics.
Importan t Informa tion.........................................................................................2
What is the Rational Number Rampage App?.....................................................3
What You Need..................................................................................................5
Where to Find Installation Instructions................................................................6
Getting Help.......................................................................................................6
Starting and Quitting the Application...................................................................7
Starting the Application..................................................................................7
Quitting the Application..................................................................................7
Navigating..........................................................................................................8
Selecting Menu Items....................................................................................8
Using On-Screen Options..............................................................................8
Rational Timer...................................................................................................9
Scoring........................................................................................................ 11
Rational Match.................................................................................................12
Scoring........................................................................................................ 15
Percent Square................................................................................................16
Scoring........................................................................................................ 18
Entering Initials in the High / Low Score Table.................................................. 19
Deleting the Application....................................................................................20
Installation Error Messages.............................................................................. 21
Low Battery .................................................................................................21
Rational Number Rampage App Page 32
Invalid Signature or Certificate.....................................................................21
Error in Xm i t ......... ........................................................ ................................21
Communication Error ................................................................................... 22
Memory Error...............................................................................................22
Other Errors.................................................................................................23
Checking Version Numbers and Free Space.................................................... 24
Verify Operating System Version and ID Number.........................................24
Verify Flash Application Version...................................................................24
Check Amount of Flash Application Free Space ........................................... 24
Table of Equivalent Values...............................................................................26
Equivalent Values for Challenging Percent Square Problems...........................27
Concept Application Evaluation License Agreement.........................................30
Rational Number Rampage App Page 33
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