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•  Building cuboids •         interlocking centimetre cubes,   •  Building towers  _   interlocking centimetre cubes,
                                                                                                                         RM A or 1 cm squared paper
                                                                    RMA or 1  em squared paper
                                                                                           This is a tower of centimetre cubes.
                                      This cuboid uses 16 centimetre cubes.                                               •  It hos 4 centimetre cubes
                                                                         REMEMBER
                                                                                                                           in each layer.
                                                                        Volume is the                                     •  It has 2 loyers.
                                                                        amount of space
                                                                        an object takes up.



                                                                                          j  OJ .. a,.Build tbis tower with centimetre.cubes.   .
                                                                                          :     Then add, mor~ layers and count the cljbic centimetres.
                                      •  Its height is 2 cm.  . Its length is 4 cm.  . Its width is 2 cm.   ~-- b Copy and complete 'thrs lable:
                                      •  Its volume is 16 cubic centimetres.
                                                                                            .  number of layers   1   2   3   4   5   6   7   8   10
                                      •  16 cubic centimetres can be written 16 cu cm.                                              9
                                                                                              volume of the
                                          a  Make as many different cuboids as you can                4-  8
                                                                                             tower in eu em
                                           with volumes of 16 cubic centimetres.
                                          b  Record the height, length and width of each one.
                                                                    r-----~------~-.       ~ a CS1C'O TO';"POP"'  . ,  d.~:  ...
                                          a  Draw this shape on squared paper.
                                           Use 24 centimetre cubes to build a cuboid                          . t'l' -' ~ _ ..
                                           which will fit on top of the shape.                              C   I  :
                                                                                            ~-             d t  L1~=L __ ._;·
                                          b  Now describe it in the way
                                           shown by the blue writing .
                                          a  On  squared paper, draw other shapes on which you  can
                                           build a cuboid with 24 centimetre cubes.           Baild a tower with 36'c'entimetre'cab'e's on  each shape . •. '- 1-'. -1"
                                          b  Check your ideas using centimetre cubes .      ,--
                                                                                              . R~cord your results in th":~.~= vv ay , a~_in ill.
                                          c  Describe each cuboid.                                                                             Challenge
                                        CHALLENGE                                            CHALLENGE                   "]                    Make towers shaped
                                                                                             Make towers shaped like the letters U and T,
                                        •  Make a cuboid with a volume of 50 cu cm .
                                        •  Describe it.  •  Try to draw it.               1  each with a volume of 26 cu cm .                  like letters U and T,
                                                                                                                        ./
                                                                                                                                               each with a volume of
                                                                                                                     ·f                        26cu cm.
                                                                                                                            number of     1  2  3  4  5  6  7  8   q  10
                                                                                                                            layers
          Open: making different cuboids with volume of     a  Height is 2 cm,              a  Practical: building a   b    volume of the
                                                                                                                                          4  8  12  16 20 24 28 32 36 40
          16 cubic centimetres and recording the height,      length is 6cm,                   tower with centimetre        tower in  eu em
          length and width of each one.                '      width is 2 cm.                   cubes.
                                                                                                                   number of layers   1  2  3  4  5  6   7181  q 1101111121
                                                            Challenge
                                                                                                                   volume of tower a
                                                                                                                                    6  12  18 24 30 36
                                                                                                                   in eu em
          a  Open: drawing on squared paper other           Make a cuboid with              Buiding towers
            shapes on which to build a cuboids with 24      volume 50 cu cm,                with 36 centimetre     volume of tower b   3  6   q   12 15  18  21 1241271301331361
                                                                                                                   in eu em
            centimetre cubes. (For example: 4 x 2 x 3 on    describe and try to             cubes.                 volume of tower e
            a 4 x 2 or 3 x 2 rectangle.)                    draw it.                                               in  eu em        12 24 36
          b  Check by using centimetre cubes.
                                                                                                                   volume of tower d   q
          c  Describe each cuboid as in  2a.                                                                       in  eu em           18 27 36
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