Laws of Exponents Lesson Plan

Transcription

1 Laws of Epoets Lesso Pla Uit Topic/Title (all lessos should be part of a overall Uit) Laws of Epoets Lesso Pla Title (to differetiate each lesso withi the Uit) Laws of Epoets Game Studet Academic Stadards 8..4 Uderstad ad evaluate egative iteger epoets Use the laws of epoets for iteger epoets. Lesso Objectives Studets will successfull use ad idetif the laws of epoets. Lesso Ratioale (philosophical reaso for teachig the lesso (defese for teachig the Cotet-gets at relevace) Applig the laws of epoets is a fudametal skill eeded. Studets will build upo this skill i Algebra ad use them to perform operatios with polomials ad comple epressios. Developig this skill is critical to succeedig i more advaced math classes throughout high school ad i college. Itroductio ( hook to gai studet attetio) Aticipator Set Tell studets that toda the will lear some shortcuts for simplifig epoets. Let them kow that certai rules appl to epoets, ad we will be usig these rules ad buildig upo them i future lessos. Behavior Maagemet Issues As studets eter the classroom, the are to set their homework o the edge of their desk from the ight before, the begi workig o the bell work. All papers/materials will be distributed from the side, rather tha the frot of the room. Studets will be told to remai quiet uless called upo. The will be told to be prepared to aswer the questios, sice the will be called upo radoml. Oe member from each group will come up ad get the game materials, which will be budled i advace. All game materials will eed to be retured at the ed of the activit. Motivatio (cosider was to motivate studets:). Make the lesso iterestig or appealig.. Covice our studets of the lesso s importace.. Use etrisic motivators. 4. Have cocrete evidece, whe possible. Accommodatio/Modificatio: A group of two or three studets will be located i the back of the room at the wheelchair accessible table to accommodate oe studet i a wheelchair. The two studets with ADHD will be allowed to move freel durig the game. Cotet The cotet icludes idetifig the differet laws of epoets ad usig them to simplif algebraic epressios.

2 Procedures/Activities (directios or istructios of how to preset ifo) (Also, idetif the teachig method) (Activities i proper sequece to scaffold studet kowledge/skill) Write the da s ageda o the board: Bell Work Grade Homework Questios? New lesso: Laws of Epoets Laws of Epoets Game Worksheet for homework. Bell Work: Chage each epaded form ito epoetial form. (Eample: ) a. b. c d. e. m m m p p p p p p. Studets should alread have homework from the previous ight sittig o their desk as part of the classroom procedures. As the complete the bell work, walk aroud ad check for completio of homework ad take attedace. Displa the aswers to the homework o the doc cam for studets to self-grade. Ask the class to raise their had if the have a questio or do t uderstad somethig from the homework. (sped approimatel 0 miutes o gradig ad questios) Have studets pass homework i b passig it to the perso to their right.. Displa ad discuss the aswers to the bell work. Ask studets to thik about how the last questio could be simplified. After appropriate wait time, call o a studet to share his/her thoughts. 4. Tell studets that we are goig to look at the differet rules that appl to epoets. 5. Put the Laws of Epoets Watch-Help-Tr sheet o the doc cam. Cover up the aswers i the secod ad third colums. Go through the Watch This sectio ad eplai each law to studets. For the secod sectio, beam questios to differet studets, askig for help i simplifig each epressio. For the third sectio, let studets tr it o their ow. Reveal the aswers, oce everoe has completed it. Ask studets to raise their had if the did t uderstad a problem. 6. Tell studets the will practice the laws of epoets with a game. Studets will take turs util everoe i the group has gotte at least 5 turs. Eplai how to pla the game: a. Studets will take turs. Durig each tur, the studet will spi the spier to get the first ad epoet. The the will flip the coi to determie the fuctio of divisio or multiplicatio. The the will spi the spier agai to get the secod ad epoet. b. Studets will write dow their problems ad aswers. c. Show studets how to use their pecil ad paper clip as a spier. 7. Have each member of the group get out a piece of paper ad pecil. Have studets write their ame ad period at the top of the piece of paper. Tell studets that this will be tured i. Divide studets ito groups of or. Have oe member from each group get the spier, a paper clip, ad a pe. 8. Walk aroud the room ad observe as studets complete the game. After the groups have completed the game, have them tur i their papers, spiers, paper clips, ad pe. 9. Had out the worksheet titled More Laws of Epoets. If time permits, have studets work o this for the remaider of class. It is homework due the et da. Materials Laws of Epoets watch-help-tr doc cam worksheet, Spiers, Paper Clips, Peies, Paper, Pecil, More Laws of Epoets Worksheet. (see materials at the ed of this documet)

3 Checks for uderstadig (embedded assessmets) Bell Work Aswers, Watch-Help-Tr eercise, walkig aroud ad observig durig the game, each studet s 0 problems tured i from the game, ad the More Laws of Epoets game. Coclusio (summarize, wrap up to the lesso as a whole) Closure The class will coclude with istructios to complete the worksheet for homework if it had t bee completed i class. The will be told that aswers will be reviewed the et da. Studets will be asked to share a questios the had about the laws of epoets. If time permits, questios will be addressed. Otherwise, the will be addressed i the begiig of class the et da. Idepedet Practice Watch-Help-Tr eercise, Laws of Epoets game, ad More Laws of Epoets worksheet. Fial Assessmets Ed of chapter test.

4 Laws of Epoets Watch This! Rule Propert Eample Zero Epoet Negative Epoet - / 4 - /4 Product of Powers m m+ + 5 Quotiet of Powers m m 6 / 6-4 How do I use it? Epressio Which Rule? Simplified 7 Product of Powers Quotiet of Powers 4 p 0 Zero Epoet 5 Negative Epoet 5 You Tr! Epressio Which Rule? Simplified z 8 z 9 Product of Powers z 7 0 Quotiet of Powers 7 Negative Epoet 7 0 Zero Epoet 0 w w Product of Powers w 6 49

5 Directios:. Spi the spier to get our first variable with a epoet.. Toss a coi to determie the fuctio.. Spi the spier to get our secod variable with a epoet. 4. Write the problem ad aswer, usig the laws of epoets. Coi Toss: Heads Multipl Tails Divide

6 Name: Period Rule Laws of Epoets Eample Power of a Product () () Power of a Quotiet Power of a Power ( m ) m ( ) 6 Directios: Lookig at the laws of epoets listed i the table above, simplif each epressio below ad ame the rule that applies. Epressio Rule Simplified Epressio Rule Simplified p ( 8 ) 8 ( 5 ) (4 ) () 4 (z) 6 (ab) 8 t 0 (m) Calculate each problem ad determie which aswer i each row is the largest ad circle it. 5 Row : ( ) Row : 4 ( 4) (4)