tuesday sept 3, 2013washburn.mpls.k12.mn.us/uploads/tues_geom_sept_3_slides_from_class.pdf · a...

Iwillbeafterschoolformake-uponMon,ThursQUIZFridayonCh12-LT12A,LT12B,andWordProbs

Takeoutyournotebookfortoday'swarm-up!TuesdaySept3,2013

HW#2p42isdueWed

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Warm-up

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Warm-up9/3/131.

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

1.

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

2.

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

3. Fromthepicture,nameamodelforcollinearpoints,alinesegment,aplane

Collinearpoints

linesegment

plane

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Homework

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Homework#2page42/prob7-20,30-35

ABCDE

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Lesson

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

A square is a rectangle with 4 congruent sides A rectangle is a quadrilateral with 4 right angles A quadrilateral is a polygon with 4 sides. A polygon is a closed figure in a plane, formed by connecting line segments endpoint to endpoint with each segment intersecting exactly two others.

What is a square ?

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Atyourtables,decideanswerthefollowing:

1.Whatexactlyisa"Widget"?Writeadefinition.

2.Whichfiguresare"widgets"inthethirdpicture?Explain.

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Whichoneinthegroupontheright,isamemberofthegroupontheleft??

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Awidgetisashapewithone"claw"andone"eye",thatiscoloredontheinside.

closedplanefigure

anddoesn'thaveshapesinside

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Awidgetisashapewithone"hand"andone"eye",

thatiscoloredontheinside.

closedplanefigure

anddoesn'thaveshapesinside

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

AdefinitionTellsyouwhatkindofthingitis

andhowitisdifferentfromotherthings.

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Animalsthatliveintheoceanarecalledfish.

counterexample

coldbloodedfinsgillsaquaticvertebrates

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Birdsareanimalsthatfly

counterexample

warm-bloodedegg-layingfeatheredvertebratesforelimbsmodifiedtoformwings

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

TrueorFalse:

Inorderforanumbertobeaprimenumberitmustbeanoddnumber.

counterexampleRichard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

TrueorFalse:

Anacuteangleisananglewhosemeasureislessthan900

counterexample

zero is less than900 but it is not acute

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

TrueorFalse:

Iftwolinesneverintersecteachotherthenthelinesareparallellines.

counterexampleRichard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Whatmakesagooddefinition ?

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Classify

Differentiate

Test

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21

Richard Sudo Tuesday, September 3, 2013 3:12:51 PM CT 00:19:e3:4a:d2:21