Final Contest

8/12/2019 Final Contest

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Lesson Plan Elements

Name: Heather Wright Date: 3.18.08

Subject: 6thGrade Math Time: 60 minutes

Purpose of Lesson:

To teach students the proper use of protractors

EALR:

Objective:

Students wi !e a!e to identif" and measure anges using a protractor

Materials/Tecnolo!"/Me#ia:

#rotractor $for each student%

&ournas for note ta'ing

Ange Wor'sheets ()*

(ocument +amera,#ro-ector

T$M

E

$NTROD%&T$ON 'ncude a statement of the o!-ecti/e and chec' that students can

state the o!-ecti/e. Might aso incude hoo' rationae !ac'ground 'nowedge re/iewand assessment of pre)s'is%

As we continue to prepare for the WAS this month toda" we are going to re/iew


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As we continue to prepare for the WAS this month toda" we are going to re/iew

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T$ME $NSTR%&T$ON

#ass out 9oca!uar": Wor'sheet and Measuring an Ange: Wor'sheet for students to

ta'e notes on throughout the esson. $Wor'sheets ; < =%

;/er"one shoud ha/e a protractor in front of "ou. #ease gra! one and we wi name

and a!e the parts.

#ace Wor'sheet (: underneath the #ocument cameraas "ou point to the parts of theprotractor. =i out the 9oca!uar": wor'sheet usin! te camera as the students foow

aong.

#arts of the #rotractor

>uter Scae)The num!ers on the outer edge of the protractor

nner Scae)The num!ers on the inner edge of the protractor

+enter Mar')Awa"s at the midde of the ?ero);dge

?ero);dge)Awa"s at the same e/e as the 0@ mar'

$ DO:

Measuring an Ange 'MODEL ($T) AN A&T%AL PRO&TRA&TOR* %S$N+ T)EDO&%MENT &AMERA* AS ,O% +O T)RO%+) EA&) STEP- and guide students

as the" fi in their measuring an ange: wor'sheet.

ST;# 12 (etermine if the ange is acute of o!tuse !efore using the protractor

ST;# 2 #ace the center mar' of the protractor on the /erte5 of the ange

ST;# 32 *otate the Bero edge of the protractor to ine up with one ra" of the ange

and for the other ra" of the ange to cross the protractors scae

ST;# C2 *ead the measure of the ange of the ra" that crosses the protractors scae

+ommon Mista'es2 $#ace Wor'sheet & under #ocument camera%


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(E DO: #ass out Wor'sheet >:

Students can wor' with partners and ta'e turns in measuring the anges on the

wor'sheets.

Wa' around the cassroom as students wor'

After enough time has !een pro/ided to compete the wor'sheet pace Wor'sheet

>: under the #ocument camera. As' for /ounteers to come up and demonstratehow to use the protractor to measure random pro!ems on the wor'sheet.

As students demonstrate at the front the cass wi ha/e a chance to critiFue their

techniFue as the" watch through the #ocument camera.#ictures2

#ace photos $Wor'sheets #)*% under the #ocument cameraand ha/e students

/ounteer to find an ange on the photo outine it with a highighter name it and

measure it.

This pro/ides another opportunit" for more students to come and demonstrate their

ange measuring a!iities aong with gi/ing the cass more opportunities to watch

and critiFue their techniFue.

,O% DO:#ass out the fina wor'sheet for students to wor' on indi/idua" aowing them to show

what the" 'now,understand from the esson that was gi/en. >nce students are finished the"

can turn their wor'sheet in to !e corrected.


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Inner Outer Scale

Zero-Edge Center Mark


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Step One Step Two

Step Step Four


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Step 1) Determine i the angle i! acute or o"tu!e "eoreu!ing the protractor#


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Step $) %lace the center mark o the protractor onthe

&erte' o the angleStep () otate the *ero-edge o the protractor to line

up with


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one ra+ o the angle and or the other ra+ o theangle to

cro!! the protractor,! !cale#


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Step ) ead the mea!ure o the angle o the ra+ that

cro!!e! the protractor,! !cale#

Common Mistakes

1) .!ing the incorrect !cale#

$) The center mark i! not on the &erte'#

Thi! u!uall+ happen! ater rotating theprotractor#Make !ure ater rotating the protractor thatthe center mark i! !till on the &erte'#


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() Counting the mark! in the wrong direction#%a+ attention to whether the num"er! areincrea!ing or decrea!ing#


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Use you protractor to extend the lines and measure each angle.

1 3

C 6


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10 11 1


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QuickTime andaTIFF(Uncompressed)decompressor

are neededtosee thispicture.


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QuickTime andaTIFF(Uncompressed)decompressor

are neededto see thispicture.


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QuickTime and aTIFF (Uncompressed) decompressor

are needed to see this picture.


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Final Contest