thursday sept 3, 2015 take out your notebook for today's...
TRANSCRIPT
Iwillbeafterschoolformake-uponMon,Thurs
HW#3p51/1-5,10-18,28-30isdueFRIDAY!
QUIZFridayonCh12-LT12A,LT12B,andWordProbs
Takeoutyournotebookfortoday'swarm-up!ThursdaySept3,2015
WewillhaveourfirstTESToftheyearNEXTWEEKonWEDNESDAY.Itwillconsistof3learningtargets:LT1.1A-Icandefine,sketch,draw,andcorrectlylabelbasicgeometricfiguresandtheirparts.LT1.1B-Icangiveexamplesofapoint,line,plane,segment,collinearpoints,coplanarpointsinareal-worldexample
LT1.2A-Icandefine,sketch,draw,measure,andcorrectlylabelanglesandtheirparts.LT1.2B-Icanuseaprotractortomeasureandtodrawanglesandexplainhowanglesaremeasured.LT1.2C-Icandefine,sketch,draw,andlabelverticalanglesandlinearpairs.LT1.2D-Icanwritegooddefinitionsforgeometricfiguresandgivecounterexamplestoprovestatementsfalse.
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Warm-up
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Warm-up9/9/11Trueorfalse.Copytheproblems,thenmakeasketchforeachtruestatementIffalse,giveacounterexample.1.Iftwolinesintersecteachotherthentheymakearightangle.2.Tworaysalwaysformanangle3.Everylinesegmenthasexactlyonemidpoint.4.Iflinesdonotintersecteachother
thentheymustbeparallel
9 / 3 / 15 Copy the statements and determine whether they are TRUE or FALSE. If false then sketch a counterexample.
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Warm-up9/9/11Trueorfalse.Copytheproblems,thenmakeasketchforeachtruestatementIffalse,giveacounterexample.1.Iftwolinesintersecteachotherthentheymakearightangle.2.Tworaysalwaysformanangle3.Everylinesegmenthasexactlyonemidpoint.4.Iflinesdonotintersecteachother
thentheymustbeparallel
Copy the statements and determine whether they are TRUE or FALSE. If false then sketch a counterexample.
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Warm-up9/9/11Trueorfalse.Copytheproblems,thenmakeasketchforeachtruestatementIffalse,giveacounterexample.1.Iftwolinesintersecteachotherthentheymakearightangle.2.Tworaysalwaysformanangle3.Everylinesegmenthasexactlyonemidpoint.4.Iflinesdonotintersecteachother
thentheymustbeparallel
9/5/12Copy the statements and determine whether they are TRUE or FALSE. If false then sketch a counterexample.
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Warm-up9/9/11Trueorfalse.Copytheproblems,thenmakeasketchforeachtruestatementIffalse,giveacounterexample.1.Iftwolinesintersecteachotherthentheymakearightangle.2.Tworaysalwaysformanangle3.Everylinesegmenthasexactlyonemidpoint.4.Iflinesdonotintersecteachother
thentheymustbeparallel
9/5/12Copy the statements and determine whether they are TRUE or FALSE. If false then sketch a counterexample.
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Warm-up9/9/11Trueorfalse.Copytheproblems,thenmakeasketchforeachtruestatementIffalse,giveacounterexample.1.Iftwolinesintersecteachotherthentheymakearightangle.2.Tworaysalwaysformanangle3.Everylinesegmenthasexactlyonemidpoint.4.Iflinesdonotintersecteachother
thentheymustbeparallel
9/5/12Copy the statements and determine whether they are TRUE or FALSE. If false then sketch a counterexample.
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Homework
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
#3p51/1-5,10-18,28-30
Name_____________
YouwillneedaseparatesheetforsomeoftheproblemsonHW#3
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
#3p51/1-5,10-18,28-30
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
14.Iftwodifferentcirclesintersect,thentheyintersectatoneandonlyonepoint.13.Iftwodifferentlinesintersect,thentheyintersectatoneandonlyonepoint.12.Foreveryanglethereisexactlyanglebisector.11.Foreverylinesegmentthereisexactlyonemidpoint
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
14.Iftwodifferentcirclesintersect,thentheyintersectatoneandonlyonepoint.13.Iftwodifferentlinesintersect,thentheyintersectatoneandonlyonepoint.12.Foreveryanglethereisexactlyanglebisector.
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
14.Iftwodifferentcirclesintersect,thentheyintersectatoneandonlyonepoint.13.Iftwodifferentlinesintersect,thentheyintersectatoneandonlyonepoint.
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
14.Iftwodifferentcirclesintersect,thentheyintersectatoneandonlyonepoint.
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
15.Throughagivenpointonalinethereisoneandonlyonelineperpendiculartothegivenline.
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
16.Ineverytrianglethereisexactlyonerightangle
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
17.Throughapointnotonaline,oneandonlyonelinecanbeconstructedparalleltothegivenline
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
18.IfCA=AT,thenAisthemidpointofCT
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Lesson
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
"Tools" come with pre-measured amounts or distances already printed on them
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
People had to develop ways of measuringusing simple geometric concepts
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
How did people learn to accurately measurethings before specialized "tools" were available?
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
SketchDrawConstruct
Freehand Makeaccurateusingmeasuringtools-rulerprotractor,etc.
Compass&straightedgeonly
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Sketch
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Drawing
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Construction
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Acompassmeasuresaconstant radius
Astraightedgeallowsyoutodrawastraightline
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Thinklikeatwirlingballerina
notlikesomeonetryingtoopenastuckjarlid
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21
Richard Sudo Thursday, September 3, 2015 9:59:45 AM CT 00:19:e3:4a:d2:21