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24 | P a g e
ALGEBRAIC SENTENCES
● Definition of expression, algebraic sentence, open sentences, equations
and inequations
SOLUTION OF LINEAR EQUATION
● Solution of linear equations in one variable
SQUARE AND SQUARE ROOTS
● Finding squares of integers
● Finding square roots of perfect square numbers by prime factorisation method or
by division method
PERCENTAGES
● Expressing a given quantity as a percentage of the other
● Percentage increase or decrease in a given quantity
● Word problem about percentage increase or percentage decrease
POLYGONS
● Introduction of plane, flat and curved surfaces
● Definition of a polygon, vertex, side and diagonal of a polygon
● Types of polygons (triangle, quadrilateral, pentagon, hexagon, heptagon,
octagon) Introduction of regular and irregular polygons
● Definition of reflex angle
● Definitions of concave and convex polygons
● Drawing of convex polygons (pentagon, hexagon and octagon)
● Number of diagonals in 4-sided to 8-sided polygons
● Identification of exterior and interior angles of a polygon
● Find the measure of interior angles of a regular polygon and the sum of measures
of all interior angles of a regular 3-sided to 8-sided polygon
AREA AND PERIMETER
● Finding perimeter of a semi-circular and quarter-circular region
● Finding area and perimeter of a triangular region
● Finding area and perimeter of shapes consisting of a combination of circular, semi-
circular, triangular and square regions
LINES AND ANGLES
● Definition of parallel lines, rays and segments
● Identification of adjacent, alternate, corresponding, interior, vertically
opposite, complementary and supplementary angles
● Finding measure of unknown angles at a point and on a straight line. Finding
measure of unknown angles of a triangle
GEOMETRICAL CONSTRUCTION
● Construction of angles of measure 75o,105o,120o,135o and 150o with a pair of
compasses
● Construction of triangle (all types)
INFORMATION HANDLING
● Introduction of different types of graphs (pie chart, bar graph, etc.)
● Interpretation of bar graph and pie chart
● Interpretation of pie chart and construction of bar graph