Page 61 - steps 3b.pdf
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61


       RESOURCE MASTER  107           RESOURCE MASTER  110           [§J                              RESOURCE MASTER  115           [g]
     [!]-[g]                         [!]        [g]                  When I divide an even           [!]             [g]                        approximate answer   actual
                                                                                                                                                            answer
                                                                     number by 2, the answer is a                                        64 -  2q  60 - 30 =:  30  35
      Open: choose shapes,            Actual     Actual   Length     whole number.                   a  110          a  80              133 -  78  1.30  - SD  ""  So  S5
      predict then check the          number     number  left over   When I divide an odd            b  qO           b  100             152 -  64  150 - fdJ  ::=:  Clo   ~%'
      conclusions.                       q          5      3cm                                       c  60           c  40              101  - 86  100 - Clo  -==  10   IS
                                                                                                                                             2q  Clo  - 30  ::::  tD
                                                                                                                                         86 -
                                         7          q      4cm       number by 2, the answer is      d  110          d  40              175 - 101  \ go - \00  -==  80   51
                                                                     not a whole number; it ends
                                                                                                                                                            IL+-
                                         8
                                                            1cm
     00                                 11         10      3cm       in ·5.                          e  160                              78 -  64  ~D- W  :;.  2D   I tt-
                                                    q
                                                                                                     f  150
                                                                                                                                        175 - 78  I <gO  - to ;:  100   q7
      Open: predictions will vary.       8          8      4cm                                                                           Iq7 - 101  2m - 100::::  \00  qb
      The correct answers are           13         10      8cm         RESOURCE MASTER  112          00
      listed below:                     't?G.. ~
                                        12                           [!]                             Open: mental subtraction of
      hexagon       6                    14                                                           numbers upto 200. (1/3 a,b)    00
      oblong        2                                                   +2        +5        +10                                      a  100     b  40     c  30
      semi-cricle    1                                                10  ..  5  10  ..  2   10" 1
      quarter-circle  1                RESOURCE MASTER  111           6  ..  3  15  ..  3   qO"  q    RESOURCE MASTER  116           d  20      e  50     f  70
      rhombus       2                                                20  " 10  35  ..  7   80" 8                                        Ito     '10
      pentagon      5                [!]-oo                           8  ..  4  30  ..  6   30" 3  [!]                                RESOURCE MASTER  117
      square        4                 40+ 5    @    =  10> 10    8     2  ..  1   5  ..  1   70" 7         rounded off to the
                                                                      14  ..  7  40  ..  8   20" 2                                   Open: solving problems
                                      72 + 6   <  10 =  10@     12    18  ..  q  25  ..  5   60" 6           nearest lOis            using 2-D shapes. (1/3 a,c)
       RESOURCE MASTER  108                                           12  ..  6  50  " 10
                                      qO +  1 0  @  =  1 0 >  1 0   q                      50" 5       2q                   •  30     IT]  Colour  the flogs.
      Practical: play the ()ame.                                      16  ..  8  45  ..  q   40" 4     64                   •  60       You  must colour  all  the  space  in  each  nag.
                                      56+ 8   0     =  10> 10    7     4  ..  2  20  ..  4  100 " 10   86                   •  qO                      a  Use  8 colours.
                                                                                                                                                       COIOU~in8 ,triongl.S'
      Challenge
                                      50 + 5   < 10 ~> 10       10                                    152                   •  150                    ~
                                                                                                                                                        7
                                                                                                                                                             2
      lOx 3, 6 x 5,  5 x 6                                           [g]                               78                   •  80                       6   5  4  3
                                      63 + q   @    =  10> 10    7                                    133                   •  130                    ~.s
                                                                                                                                                       c  Use  6 colours.
       RESOURCE MASTER  10Q           76 + 4   <  10= 10@       1 ~ ~   a  14   b  q remainder 2      175                   •  180     is]"'
                                                                                                                                          7
                                                                                                                                              2
                                                                                                      101
                                                                                                                            •  100
                                      70 + 7   <10~>10          10    c  q P   d  q cards each.       1q7                   •  200       6   5  4  3   III~
      Practical: play the game.                                                   3 cards left over.-                                   d  Use 5 colours.   e  Use 4  cok>urs.
                                      q6+ 8    <  10= 100       12                                                                     tiMi           ~.
                                      42 + 7   0    =  10> 10    6     RESOURCE MASTER  113
                                                                                                                                        fUse 3  colours.   g  Use  2 colours.
                                                                      Practical: plc;:Jy the game.                                     M~
                                      ~                                                                                                               JASii·
                                      Open: halving numbers            RESOURCE MASTER  114
                                      between 50 and 100.
                                                                      Practical: play the game.
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