,AN ,9TRODUC;N TO
     ,NEME? ,CODE ,SYMBOLS
    ,US$ 9 ,GRADES #B TO #E
    & ,/RATEGIES = ,SUPPORT+
       ,ELE;T>Y ,/UD5TS 9
      ,BUILD+ ,MA? ,SKILLS

          ,LESSON #B3
      ,MA!MATICAL ,COMMA1
     ,DECIMAL ,PO9T1 ,M"OY1
    & ,L9E> & ,^W ,PROBLEMS

    ,UNIV]S;Y ( ,S\? ,C>OL9A
      ,UP/ATE1 ,SUMM] #BJBJ

    ,SLIDE #B
    ,LESSON #B ,OBJECTIVES
_4 ,"PICIPANTS W 2 ABLE TO R1D &
    WRITE ! FOLL[ ,NEME? ,CODE
    SYMBOLS3
  _4 ,MA!MATICAL COMMA 9 L>GE
    NUMB]S _% (1,234) _:
  _4 ,DECIMAL PO9T _% (.) _:
  _4 ,C5T SIGN _% (@C) _:
  _4 ,DOLL> SIGN _% (@S) _:   #A
_4 ,"PICIPANTS W 2 ABLE TO R1D &
    WRITE L9E> MA? PROBLEMS US+
    ,NEME? ,CODE SYMBOLS4
_4 ,"PICIPANTS W 2 ABLE TO R1D &
    WRITE ^W PROBLEMS US+ ,NEME?
    ,CODE SYMBOLS4

    ,SLIDE #C
    ,MULTI-,DIGIT ,NUMB]S & !
    ,MA!MATICAL ,COMMA
_4 ,MULTI-DIGIT NUMB]S >E WRITT5
  SIMIL>LY TO ! NUMB]S #A-#AJ4
_4 ,! MA!MATICAL COMMA _% , _:
  "<DOT #F"> IS US$ 9 ,NEME?
  ,CODE :5 MULTI-DIGIT NUMB]S >E
  "PI;N$ BY A COMMA4

_% #537 #7,639 #312,457,089
#1,234,567,890 _:





                              #B
    ,SLIDE #D
    ,,R1LLY ,L;G ,MULTI-,DIGIT
    ,NUMB]S
_4 ,L;G NUMB]S >E N DIVID$ 2T
  BRL L9ES IF ! NUMB] W FIT ONTO
  A S+LE L9E4
_4 ,IF ! NUMB] IS TOO L;G TO FIT
  ONTO A S+LE BRL L9E1 !N DIVIDE
  X ACR TWO OR M L9ES4
_4 ,! DIVI.N IS MADE AF A COMMA1
  IF PRES5T1 ) A HYPH54
_4 ,PUT A NUM]IC 9DICATOR AT !
  2G9N+ ( ! NUMB] Z WELL Z AT !
  2G9N+ ( ANY ADDI;NAL L9ES4

_% #5,670,000,000,000,000,000,-
  #000,000,000 _:







                              #C
    ,SLIDE #E
    ,ACTIV;Y #B,A
    ,9T]L9E ! FOLL[+3
_%
#1_4 #478
#2_4 #953
#3_4 #8,358
#4_4 #945,213
#5_4 #389,257,000,000,000,000,-
  #000,000,000 _:

    ,SLIDE #F
    ,ACTIV;Y #B,A3 ,ANSW] ,KEY
#A4 F\R HUNDR$ SEV5TY-EI<T
#B4 N9E HUNDR$ FIFTY-?REE
#C4 EI<T ?\S&1 ?REE HUNDR$
  FIFTY-EI<T
#D4 N9E HUNDR$ =TY-FIVE ?\S&1
  TWO HUNDR$ ?IRTE5
#E4 ?REE HUNDR$ EI<TY-N9E
  SEPTILLION1 TWO HUNDR$
  FIFTY-SEV5 SEXTILLION
      @.<,9 PR9T1 ? NUMB] %[S #G
    SETS ( ?REE Z]OS SEP>AT$ )
    COMMAS4@.>                #D
    SLIDE #G
    ,NUMB]S ) A ,DECIMAL ,PO9T
  ,! DECIMAL PO9T _? . _: "<DOTS
#D-#F"> IS 3SID]$ A NUM]IC
SYMBOL1 & "!=E ! SAME RULES =
WRIT+ :OLE NUMB]S 9 ,NEME? ,CODE
>E US$ :5 WRIT+ DECIMALS4

_%
#5.7
#7.234
#8,349.25
#.675
#.01 _:

    ,SLIDE #H
    ,ACTIV;Y #B,B
    ,BRL ! FOLL[+3
#A4 ?REE PO9T SIX
#B4 TWO PO9T SEV5 EI<T SIX
#C4 F\R ?\S&1 TWO HUNDR$ PO9T
  N9E ?REE
#D4 PO9T "O TWO FIVE
#E4 PO9T Z]O TWO
                              #E
    ,SLIDE #I
    ,ACTIV;Y #B,B3 ,ANSW] ,KEY
_%
#1_4 #3.6
#2_4 #2.786
#3_4 #4,200.93
#4_4 #.125
#5_4 #.02 _:

   ,SLIDE #AJ
    ,SYMBOL = ,C5TS
_4 ,! C5T SIGN IS _% AC _: "<DOT
  #D1 DOTS #A-#D">
_4 ,USE A NUM]IC 9DICATOR1
  FOLL[$ BY ! NUMB]1 & !N ! C5T
  SIGN Z X IS 9 PR9T4
_4 ,"! IS NO SPACE 2T ! NUMB] &
  ! C5T SIGN4

_% #75@C #23@C #50@C #1@C _:




                              #F
    ,SLIDE #AA
    ,SYMBOL = ,DOLL>S
_4 ,! DOLL> SIGN IS _% @S _:
  "<DOT #D1 DOTS #B-#C-#D">4
_4 ,PLACE ! DOLL> SIGN 9 FRONT (
  ! NUMB] Z 9 PR9T4
_4 ,D N USE A NUM]IC 9DICATOR )
  A DOLL> SIGN4
_4 ,SIMIL> TO ! C5T SIGN1 "! IS
  NO SPACE 2T ! DOLL> SIGN & !
  NUMB]4

_% @S5.39 @S.33 @S68,000 _:

    ,SLIDE #AB
    ,ACTIV;Y #B,C
    ,BRL ! FOLL[+3
#A4 SEV5TY-SEV5 C5TS "<) A C5T
  SIGN">
#B4 SEV5TY-SEV5 C5TS "<) A DOLL>
  SIGN">
#C4 ?IRTY-F\R ?\S&1 FIVE HUNDR$
  SIXTY-N9E DOLL>S
#D4 TWO C5TS "<) A C5T SIGN">
#E4 Z]O DOLL>S & SIXTY-EI<T   #G
  C5TS
#F4 TWO HUNDR$ FIFTY-SEV5 ?\S&1
  ?REE HUNDR$ =TY-TWO DOLL>S &
  EI<TY-SEV5 C5TS

    ,SLIDE #AC
    ,ACTIV;Y #B,C3 ,ANSW] ,KEY
    _%
#1_4 #77@C
#2_4 @S.77
#3_4 @S34,569
#4_4 #2@C
#5_4 @S0.68
#6_4 @S257,342.87 _:

    ,SLIDE #AD
    ,M"OT>Y ,AM.TS 9 ,L9E>
    ,PROBLEMS
_4 ,M"OT>Y AM.TS >E "S"TS US$ 9
  L9E> PROBLEMS ) SIGNS ( OP]A;N
  & SIGNS ( COMP>ISON4



                              #H
_% #10@C+15@C .K ----
@S3.75-@S1.50 .K =
@S9.00@*5 .K =
#60@C./3 .K ----
@S23- ---- .K @S18 _:

    ,SLIDE #AE
    ,NEME? ,CODE ,SWIT*
    ,9DICATORS ) ,M"OT>Y ,AM.TS
    & ,DECIMALS
_4 ,M"OT>Y AM.TS & DECIMALS >E
  TRANSCRIB$ 9 ,NEME? ,CODE1 EV5
  9 ^W PROBLEMS4
_4 ,9 ! EXAMPLE 2L1 ! S+LE-^W
  SWIT* 9DICATOR IS US$4

#B4 ,TONYA ASK$1 8,IS _% #.75 _:
  ! SAME Z
  _% #75@C ,'& @S0.75 _:80
  ,EXPLA9 IF ,TONYA IS CORRECT
  OR N4



                              #H
    SLIDE #AF
    ,ACTIV;Y #B,D
    ,BRL ! TWO ^W PROBLEMS3
      @.<,ALL NUMB]S & MA?
    SYMBOLS H BE5 REPLAC$ ) ^WS
    S Z N TO GIVE AWAY ! CORRECT
    ANSW]4@.>
#A4 ,F\R APPLES CO/ "O DOLL> &
  Z]O C5TS4 ,H[ M* W ,TOMMY H TO
  PAY = FIVE APPLES8
#B4 ,ANITA HAS SEV5 CO9S 9 H]
  CO9 PURSE4 ,!Y ADD UP TO Z]O
  DOLL>S & =TY-EI<T C5TS4 ,:AT
  CO9S DOES %E H 9 H] CO9 PURSE8

    ,SLIDE #AG
    ,ACTIV;Y #B,D3 ,ANSW] ,KEY
#A4 #D APPLES CO/ _% @S1.00 _:4
  ,H[ M* W ,TOMMY H TO PAY = #E
  APPLES8
#B4 ,ANITA HAS #G CO9S 9 H] CO9
  PURSE4 ,!Y ADD UP TO
  _% @S0.48 _:4 ,:AT CO9S DOES
  %E H 9 H] CO9 PURSE8
                              #I
    ,SLIDE #AH
    ,ACTIV;Y #B,E
    ,BRL ! TWO ^W PROBLEMS4
      @.<,ALL NUMB]S & MA?
    SYMBOLS H BE5 REPLAC$ ) ^WS
    S Z N TO GIVE AWAY ! CORRECT
    ANSW]4@.>
#C4 ,JAVI] HAS TW5TY-F\R DOLL>S4
  ,HE WANTS TO BUY A SCOOT] T
  CO/S "O HUNR$ SIXTY-TWO
  DOLL>S4 ,H[ M* M M"OY DOES HE
  NE$8
#D4 ,KEIKO PUR*AS$ A M1L T CO/
  ?REE DOLL>S & EI<TY-?REE C5TS4
  ,%E GAVE ! WAIT] F\R DOLL>S4
  ,HE GAVE H] FIFTE5 C5TS "<C5T
  SIGN"> 9 *ANGE4 ,IS T CORRECT8







                             #AJ
    ,SLIDE #AI
    ,ACTIV;Y #B,E3 ,ANSW] ,KEY
#C4 ,JAVI] HAS _% @S24 _:4 ,HE
  WANTS TO BUY A SCOOT] T CO/S
  _% @S162 _:4 ,H[ M* M M"OY
  DOES HE NE$8
#D4 ,KEIKO PUR*AS$ A M1L T CO/
  _% @S3.83 _:4 ,%E GAVE ! WAIT]
  _% @S4 _:4 ,HE GAVE H]
  _% #15@C _: 9 *ANGE4 ,IS T
  CORRECT8













                             #AA