,NEME? ,CODE ,SYMBOLS ,US$ 9 ! ,MIDDLE ,GRADES & ,/RATEGIES = ,SUPPORT+ ,MA? ,LE>N+ ,LESSON #A3 ,NEME? ,CODE ,SYMBOLS ,US$ 9 ! ,MIDDLE ,GRADES1 ,"P #A ,,PROJECT ,,9SPIRE ,UNIV]S;Y ( ,S\? ,C>OL9A ,UP/ATE ,SLIDE #B ,OBJECTIVES ,"PICIPANTS W 2 ABLE TO3 #A4 ,R1D & WRITE PROBLEMS 3TA9+ V>IABLES4 #B4 ,R1D & WRITE PROBLEMS 3TA9+ GR\P+ SYMBOLS1 9CLUD+ P>5!SES1 BRACKETS1 & BRACES4 #C4 ,R1D & WRITE PROBLEMS 3TA9+ NEGATIVE NUMB]S4 #A #D4 ,R1D & WRITE ORD]$ PAIRS4 #E4 ,R1D & WRITE MA? ^W PROBLEMS T REQUIRE USE ( ! OP5+ ,NEME? ,CODE 9DICATOR & ,NEME? ,CODE T]M9ATOR4 ,SLIDE #C ,V>IABLES _4 ,A V>IABLE IS A LR T REPRES5TS AN UN"KN NUMB]4 "4 _4 ,D N USE AN ,5GLI% LR 9DICATOR ) A V>IABLE T IS 9 A MA? EXPRES.N4 _4 ,:5 V>IABLES >E ITALICIZ$ 9 PR9T1 IGNORE ! ITALICS4 ,F\R PLUS ;X EQUALS TW5TY-SIX4 _% #4+X .K #26 _: ,TWO PO9T FIVE PLUS ;M EQUALS FIVE PO9T Z]O4 _% #2.5+M .K #5.0 _: ;T M9US N9E EQUALS ?IRTY4 _% T-9 .K #30 _: #B ,SLIDE #D ,GR\P+ ,SYMBOLS3 ,P>5!SES _% ( _: OP5+ " P>5!SIS _% ) _: CLOS+ "<"R"> P>5!SIS _4 ,D N USE A NUM]IC 9DICATOR :5 A S+LE NUMB] IS 5CLOS$ 9 A GR\P+ SYMBOL4 _4 ,D N USE ! ,5GLI% LR 9DICATOR :5 A S+LE LR IS 9 A GR\P+ SYMBOL4 _% (A) (,B) (2) (91) #3) _: #C ,SLIDE #E ,EXAMPLES ) ,P>5!SES ,TWO OP5 P>5!SIS ;Y M9US ?REE CLOSE P>5!SIS EQUALS SIXTE54 _% #2(Y-3) .K #16 _: ,EI5!SIS ;Z M9US ;R CLOSE P>5!SIS IS LESS ?AN TW5TY-"O4 _% #8+(Z-R) "K #21 _: ,SIX OP5 P>5!SIS ;X DIVID$ BY ?REE CLOSE P>5!SIS EQUALS TWELVE4 _% #6(X./3) .K #12 _: ,OP5 P>5!SIS FIVE M9US A CLOSE P>5!SIS PLUS TWO IS GRT] ?AN FIFTE54 _% (5-A)+2 .1 #15 _: #D ,SLIDE #F ,ACTIV;Y #A,A ,BRL ! FOLL[+ PROBLEMS4 " ,TWO OP5 P>5!SIS ;T DIVID$ BY SIX CLOSE P>5!SIS EQUALS SIX4 "<;B"> ;X M9US ;Z IS GRT] ?AN EI ,?REE OP5 P>5!SIS ;Y PLUS TWO CLOSE P>5!SIS EQUALS =TY-EI ,OP5 P>5!SIS T5 M9US A CLOSE P>5!SIS PLUS TWO EQUALS F\R4 "<;E"> ,TW5TY-?REE PLUS ;Y IS LESS ?AN FIFTE54 "<;F"> ,?REE M9US ;M EQUALS ;N PLUS TWO4 #E ,SLIDE #G ,ACTIV;Y #A,A3 ,ANSW] ,KEY _% (A) #2(T./6) .K #6 (B) X-Z .1 #88 (C) #3(Y+2) .K #48 (D) (10-A)+2 .K #4 (E) #23+Y "K #15 (F) #3-M .K N+2 _: #F ,SLIDE #H ,GR\P+ ,SYMBOLS3 ,BRACKETS & ,BRACES _% @( _: OP5+ " BRACKET _% @) _: CLOS+ "<"R"> BRACKET _% .( _: OP5+ " BRACE _% .) _: CLOS+ "<"R"> BRACE ,SIX "TS " OP5 BRACKET OP5 P>5!SIS ;N PLUS TWO CLOSE P>5!SIS M9US ?REE CLOSE BRACKET EQUALS TWELVE4 _% #6@*@((N+2)-3@) .K #12 _: ,FIVE PLUS OP5 BRACE OP5 BRACKET ?REE OP5 P>5!SIS EI5!SIS CLOSE BRACKET CLOSE BRACE PLUS N9E EQUALS "Q M>K4 _% #5+.(@(3(8-4)@).)+9 .K = _: #G ,SLIDE #I ,NEGATIVE ,NUMB]S _% - _: NEGATIVE SIGN ,! NEGATIVE SIGN IS PLAC$ 2F ! NUM]IC 9DICATOR :5 WRIT+ A NEGATIVE NUMB]4 ,NEGATIVE EIE WRITT5 9SIDE P>5!SES1 & >E SEP>AT$ BY A MA!MATICAL COMMA & SPACE4 ,OP5 P>5!SIS TWO COMMA N9E CLOSE P>5!SIS ,OP5 P>5!SIS NEGATIVE ?REE COMMA F\R CLOSE P>5!SIS ,OP5 P>5!SIS NEGATIVE TWO COMMA NEGATIVE SIX CLOSE P>5!SIS ,OP5 P>5!SIS "O COMMA NEGATIVE FIVE CLOSE P>5!SIS ,OP5 P>5!SIS Z]O COMMA Z]O CLOSE P>5!SIS #I _% (2, 9) (-3, 4) (-2, -6) (1, -5) (0, 0) _: ,SLIDE #AA ,ACTIV;Y #A,B ,9T]L9E ! FOLL[+4 _% (,A) (-5, -8) (,B) #6+(8-2)@*3 .K = (,C) (-2, 7) (,D) #3+.(@(2(6+8)@).)-32 .K ---- _: #AJ ,SLIDE #AB ,ACTIV;Y #A,B3 ,ANSW] ,KEY ,OP5 P>5!SIS ,A CLOSE P>5!SIS OP5 P>5!SIS NEGATIVE FIVE COMMA NEGATIVE EI5!SIS ,OP5 P>5!SIS ;,B CLOSE P>5!SIS4 ,SIX PLUS OP5 P>5!SIS EI5!SIS "TS " ?REE EQUALS "Q M>K4 ,OP5 P>5!SIS ;,C CLOSE P>5!SIS OP5 P>5!SIS NEGATIVE TWO COMMA SEV5 CLOSE P>5!SIS ,OP5 P>5!SIS ;,D CLOSE P>5!SIS ?REE PLUS OP5 BRACE OP5 BRACKET TWO OP5 P>5!SIS SIX PLUS #H CLOSE P>5!SIS CLOSE BRACKET CLOSE BRACE M9US ?IRTY-TWO EQUALS L;G DA%4 #AA ,SLIDE #AC ,^W ,PROBLEMS ,SWIT* ,9DICATORS _% ,OP5+ ,NEME? ,CODE 9DICATOR _: ,NEME? ,CODE T]M9ATOR _4 ,USE ,NEME? ,CODE SWIT* 9DICATORS 9 ^W PROBLEMS 3TA9+ ORD]$ PAIRS & NEGATIVE NUMB]S4 _4 ,KEEP ALL MA!MATICAL 3T5T ON ! SAME L9E :5"E POSSIBLE4 ,! COORD9ATES = ! ORIG9 >E _% (0, 0) _:4 ,: NUMB] IS GRT]3 _% -#6, -#2, -#8 _:8 #AB ,SLIDE #AD ,ACTIV;Y #A,C ,BRL ! FOLL[+ PROBLEMS4 #A"> ,TWO "TS " OP5 BRACKET OP5 P>5!SIS ;Y M9US FIVE CLOSE P>5!SIS PLUS ?REE CLOSE BRACKET EQUALS =TY4 #B"> ,SEV5 M9US OP5 BRACE OP5 BRACKET TWO OP5 P>5!SIS SIX M9US F\R CLOSE P>5!SIS CLOSE BRACKET CLOSE BRACE M9US ?REE EQUALS BLANK "4 #C"> ,NEGATIVE ?IRTE5 PLUS SEV5 EQUALS NEGATIVE SIX4 #D"> ,NEGATIVE ?REE ;C PLUS TWO EQUALS NEGATIVE TW5TY-EI OP5 P>5!SIS NEGATIVE "O COMMA NEGATIVE F\R CLOSE P>5!SIS #F"> ,PLOT ! FOLL[+ PO9T3 OP5 P>5!SIS NEGATIVE N9E COMMA SIX CLOSE P>5!SIS4 #AC ,SLIDE #AE ,ACTIV;Y #A,C3 ,ANSW] ,KEY _% #1) #2@*@((Y-5)+3@) .K #40 #2) #7-.(@(2(6-4)@).)-3 .K ---- #3) -#13+7 .K -#6 #4) -#3C+2 .K -#28 #5) (-1, -4) #6) _: ,PLOT ! FOLL[+ PO9T3 _% (-9, 6) _:4 #AD