Thursday, December 10, 2015

2015/2016 - GRADE 7 - STUDENT'S ACTIVITY - GEOMETRY

Teacher : Nuri Martini, S.Si, M.Pd

UNIT # 3 BASIC GEOMETRY

LEARNING OBJECTIVE
Students able to draw a picture on graph paper and plot the coordinates then generated to computer image using microsoft excel.

Geometry, which literally means 'Earth Measure", is the study of space and the shapes within it. Geometry is necessary for us to understand the objects in our world, and we study it by considering its dimensions, which are as follows:
  • 0 dimensions (0D) : A point or position. It has no size. For example, a point on a map indicates a position but doesn't have a size or shape. 
  • 1 dimensions (1D) : Linear/Line. It has length only, such as the top edge of this page or a number line. 
  • 2 dimensions (2D) : Plane region. It has both length and width (area), such as this page or the top of a DVD
  • 3 dimensions (3D) : Space region. It has length, width and heigh (volume) such as a book or a drink can. 
http://birmingham.k12.mi.us/modules/groups/homepagefiles/cms/1613447/Image/New%20Special%20Education%20Page%20uploads/dyk.jpg Euclid of Alexandria was a Greek mathematician recognised as the father of geometry. He lived around 300 BC and wrote 13 books called Elements that covred definitions, axioms, theorems, construction and the mathematical proofs of geometry. So advanced, precise and comprehensive was his work that Euclidean geometry has not changed since his time. Most of today's geometry is still the geometry of Euclid. Some non-Euclidean geometries were also developed, but much later, and did not come into prominence until the 19th century.

COORDINATES (CARTESIAN COORDINATES) 
These are pairs of numbers or symbols that represent a position in a plane. The first number in the pair indicates the distance of a point along the horizontal x - axis, and the second number indicates the distance of the point along the vertical y - axis.


https://upload.wikimedia.org/wikipedia/commons/thumb/5/59/2D_Cartesian_Coordinates.svg/376px-2D_Cartesian_Coordinates.svg.png
In the four quadrant format, both the x - and y - axes have positive and negative numbers. Remember that the first digit in each pair represents how far along the x-axis the point sits, and the second digit represents how far up or down the y - axis it sits.
Note the position of the points according to whether they are positive or negative numbers.

STUDENT'S ACTIVITY

Student draw a Picture on Graph Paper

Student plot the co-ordinates on graph paper

Student generate computer image using microsoft excel

Ribbon made by Soo Hyun
Here some result when students generate the image using microsoft excel
Ribbon made by Soo Hyun


Mickey Mouse's face by Collen - 7 Asia


Resources
Maths Handbook for Teachers and Parents, Explaining mathematical content and proficiencies, RIC Publications.




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