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Grade 8 Enr

January

Simple Interest 
·         Definitions of terms related to simple interest.

·         To find rate when sum, time and S.I are given.

·         To  find time when sum, rate and S.I are given.

Compound Interest
·        Definitions of terms related to compound interest.


·         To find compound interest when interest is compounded annually , half yearly, quarterly.

 

February

Factorisation

·         Grouping of terms

·         Difference of squares

·         Using algebraic identities

·         Splitting of middle term

Simultaneous equations

·         Substitution method

·         Elimination Method

·         Application of simultaneous equations

Quadratic equations

·         Finding the solution by factorization




March


Coordinate Geometry

·         Interpret and obtain the equation of a straight line.

·         Calculate the gradient of a straight line from the co-ordinates of two points on it.

·         Calculate the length and the co-ordinates of the midpoint of a straight line segment from the co-ordinates of its end points.

·         Calculate the distance between two points on the line.

·         Determine the equation of a straight line parallel to a given line.

·         Determine the equation of a straight line parallel to a given line.




April

Properties of circle

• Angle properties of circles
• Angles in opposite segments of circles
• Tangents
• Tangent from an external point

Trigonometry

• Trigonometrical ratios
• Values of trigonometrical ratios
• Use of calculator
• Solving right angled triangles using trigonometrical ratios
• Finding the value of an angle with trigonometrical ratios
• Practical appplication of trigonometry