Page 60 - steps 3b.pdf
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60


                           RESOURCE MASTER qa                             RESOURCE MASTER  102           00                               RESOURCE MASTER  106
         rn                                                              Open: using additional facts         input   +8  output         rn

                                                                         to solve problems.
                                                                                                                1           q
          Shape                It is a      It has 5    It has right-    (1/3 a,c)                                                            rounded off to the
                               prism.        faces.        angled                                              6            14                   nearest lOis
                                                          corners         OJ  Complete  this  addition  square   4          12
                                                                            B  I't- If!  IS  1.3  17  Ib'      a                         3q                     •  40
          cube                  V"             )(            V"                lq  II,  Itt- 19. 17                         16           26                     •  30
                                                                           c~<~  15  12. ~O 1tt-13              2           10
          cuboid                V"             )(            V"             7  13  17 .  1l.  Ib  15                                     47                     •  50
                                                                            10 lb  10  17 11S  1"1  Ig          5           13           ao                     •  ao
          triangular prism      V"             V"            V"             6  12  II,  13 1 11  IS  l't        q           17
                                                                            +  61 10  7 1 5   q   B                                      qa                     • 100
          tetrahedron            )(            )(            )(           00  Look a t  these  totals.         3            11           54                     •  50
                                                                           Now find  the  numbers which  mode  them  on  the addition  square.
          pyramid                )(            V"            V"             10+7   b  9+9 ~8   10+~9            7           15           63                     •  60
                                                                             17  14   9+5   14                                           72                     •  70
          cylinder              V'"            )(            )(           IO+IO~ 9+7   16     ~O+5
                                                                               7+7
                                                                                                                       17                15                     •  20
          cone                   )(            )(            )(           d   f16} 9+7   e
                                                                          5+IO~ ~+IO
          sphere                 )(            )(            )(                                                                          00
          hemisphere             )(            )(            )(
                                                                                                          16                       13             approximate answer  1 actual
                                                                         ~                                                                3q + 54  4o+50=-Qo   I  q 3
                                                                                                                                                             an sw~
         00                                                              Open: using addition facts        4                       3      26 + 3q  ~+4-0= 70
                                                                         (totals to 20) to solve                                          47 + SI  50  -t- ~o .=  130
         4 are prisms.             7 do not have 5 faces                                                                                  SI  + qS  00 +  100-=- I 'DO
                                                                         problems (1/3 a,c)                                               54 + 63  50  +  bO  ::  110   1117
         5 are not prisms.         4 have right-angled corners.                                                                           72 +  15  70  + 2D  ;:  '10
                                                                                                                       2
                                                                                                                                          63 + 3q  tD  + 4-0  =  100
         2 have 5 faces.           5 do not have right-angled corners.    RESOURCE MASTER  103                                            SI  + 26   ~+30;: 110
                                                                         rn                                                               QS  + 47  100  +50  =  150
                           RESOURCE MASTER qq                                                             RESOURCE MASTER  105
                                                                         a  6  b  10  c  6  d  q  e  a   rn
         Open: describing 3-D shapes using mathamatical terms.                                                                           00
         (1/3 b)                                                         f  7  9  5  h  q  i  11  j  a
                                                                                                         a  130    b  150     c  120     a  qO     b  120     c  100
                                                                         00  ~!
                          RESOURCE MASTER  101                                                           d  60     e  qO      f  ao      d  200    e  ao      f  120
         Open: play the game.                                                                            00             00
                                                                                12
                                                                                1: ~~12                  a  140          Many
                                                                                   ,  ~-                                 possibilities.
                                                                                II
                                                                                                         c  10
                                                                                                                         (1/3 a,b,c)
                                                                                                         b  50
                                                                                                         d  qO
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