Page 9 - ICSE Math 8
P. 9

Mensuration
                               Key Concepts                  Learning Outcomes           Suggested Transactional Processes
                     •  Area of a trapezium, a polygon and   Students will be able to:  •  Revising previous concepts learnt by
                      semicircle.                     •  find area of trapezium and polygons   children.
                     •  Surface area of a cube, cuboid,   by using square grid and also by using  •  Building on children’s previous
                      cylinder.                         formulae;                        learning.
                     •  Idea of Total surface area and curved   •  find surface area of cuboid, cube and   •  Encouraging children to discuss in
                      surface areas of various 3D figures  cylinder through their nets and later   groups about converting trapezium
                     •  Concept of volume, measurement of   on by using formulae;        and parallelograms into rectangles
                      volume using a basic unit, volume of   •  form formula to find volume of a   of equal area. This will help them in
                      a cube, cuboid and cylinder       cuboid and cylinder by observing   formation of formulae to find these
                     •  Volume and capacity (measurement   and generalizing patterns of counting   areas.
                      of capacity)                      units cubes that completely fill the   •  Involving children in finding the
                                                        cuboids.                         surface area of a cube and cuboid and
                                                      •  find volume and capacity        in opening such boxes and realizing
                                                        (measurement of capacity) of     that all these surfaces are made up
                                                        cuboidal and cylindrical vessels  of rectangles and squares only. The
                                                                                         rest of the activity will be focused on
                                                                                         finding the total surface area (TSA)
                                                                                         which will only be to add these areas.
                                                                                        •  Based on children’s previous learning
                                                                                         and understanding and
                                                                                         the vocabulary they have related to
                                                                                         measurement of volume and capacity
                                                                                         through their daily life experiences,
                                                                                         involve them in activities to get a feel of
                                                                                         filling a given space and to measure it
                                                                                         by just counting the unit items that fill it
                                                                                         completely. This will also help them in
                                                                                         deciding why a cube is taken as a unit of
                                                                                         measuring volume.
                                                               Data Handling
                                                                                            Suggested Transactional
                              Key Concepts                   Learning Outcomes
                                                                                                   Processes
                     •  Arranging ungrouped data, it   Students will be able to:        •  Conducting activities with children
                      into groups, representation of   •   arrange ungrouped data into groups   related to throwing a large number
                      grouped data through bar-graphs,   and represent grouped data through   of identical dice/coins together and
                      constructing and interpreting     bar-graphs;                      aggregating the  result of the throws
                      bar-graphs.                     •   construct and interpret bar-graphs;  to get a large number of individual
                     •  Simple Pie charts with reasonable   •   interpret simple pie charts with   events.
                      data numbers                      reasonable data numbers;        •  Involving children in making their
                     •  Consolidating and generalizing   •  consolidate and generalise the notion   assumption for the future events on
                      the notion of chance in events like   of chance in events like tossing coins,   the basis of the above data. Observing
                      tossing coins, dice etc. Relating it to   dice, etc., and relating it to chance in   the aggregating numbers over a
                      chance in life events.            life events;                     large number of repeated events will
                                                      •  throw a large number of identical   also help them in forecasting the
                                                        dice/coins together and aggregating   chances of future events. Comparing
                                                        the result of the throws to get large   with the data for a coin. Observing
                                                        number of individual events.     strings of throws will help children in
                                                      •   observe the aggregating numbers over   developing notion of randomness.
                                                        a large number of repeated events;
                                                      •  make a hypothesis on chances of
                                                        coming events on the basis of its
                                                        earlier occurrences like after repeated
                                                        throws of dice and coins;
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