Lesson Planning and Related Activities

LESSON PLANNING AND
RELATED ACTIVITIES

TABLE OF CONTENTS
INTRODUCTION...........................................................................................................................1
CONCEPT 1- TRIGONOMETRY..................................................................................................1
Description of concept.................................................................................................................1
Concept map................................................................................................................................2
Rationale of why this concept is important.................................................................................2
CONCEPT 2 ALGEBRA................................................................................................................3
Description of content..................................................................................................................3
Concept map of algebra...............................................................................................................4
Target group.................................................................................................................................4
Rationale of why this concept is important.................................................................................5
CONCLUSION..............................................................................................................................15
REFERENCES..............................................................................................................................16

INTRODUCTION
Mathematics is a subject that helps in development of skills, knowledge, concepts and
understanding of different kinds of methods and concepts (Anderton, Hine & Joyce, 2017).
Curriculum of mathematics is divided in five main parts: Number; Ratio, Proportion and Rates of
Change; Algebra; Statistics & Probability; Geometry & Measures. As grade of students increases
concepts within these parts also changes. Mathematics is concept that help for students in
developing decision making and analysis ability with the help of its applications and
applicability of these applications in familiar or unfamiliar situations. Mathematics at senior
secondary also helps students in development of problem- solving skills, analytics skills, and
many other kinds of skills. Senior secondary curriculum of mathematics is divided into four main
categories: Essential Mathematics, General mathematics, mathematical methods, and specialist
mathematics. In this assignment two important concepts of senior secondary mathematics will be
described that are trigonometry and algebra. But lesson plans of only algebra will be developed.
CONCEPT 1- TRIGONOMETRY
Description of concept
Trigonometry is a branch of mathematics in which study of relationship between sides
and angles of triangles is done (Widada & et. al, 2019). It is a concept in which functions of
angles, measurement of angles and sides of triangle and its calculation is done. Trigonometry is
based upon three main and important functions of angle that are used for defining and measuring
angles and sies of triangles. These three main and important functions are: Sine, Cosine and
Tangent. All the three functions are used upon right angled triangle. There are various laws,
ratio, and values of trigonometry but all of them are based upon these three important functions.
All the three functions can be explained in terms of right- angled triangle that has ratio of sides.
Sine is mostly denoted as Sin (x), cosine is denoted as Cos (x) and tangent is denoted as Tan (x)
Sine (x)= Ratio of side opposite to x angle to hypotenuse of the triangle
1

Cos (x)= Ratio of side adjacent to angle x to hypotenuse of the triangle
Tan (x)= Ratio of side opposite the angle to the side adjacent to the angle
Concept map
Above concept map helps in explaining concept map of trigonometry concept. It clearly explains
lessons that this concept will cover like: defining and measurement of angles, laws of
trigonometry (law of Sine and law of Cosine), ration of trigonometry in which triangles, angles
in quadrants, related angles will be studied. Other than this, in this subject identification of
trigonometry will also be explained by solving different kinds of problems using various kinds of
formulas. This concept map can be further expanded and can be explained in terms of right
angled triangle
Rationale of why this concept is important
Trigonometry is an important concept to be learnt as it helps a student in learning to
calculate angles, sides of triangles (Wijaya, Ying & Purnama, 2020). It is especially important
2