# Category: Mathematics

## SS 3 FIRST TERM LESSON NOTE MATHEMATICS

SCHEME OF WORK FOR SS3 MATHEMATICS FIRST TERM Revision: Indices and Logarithm Surds Surds in relation to Trigonometry Matrices and Determinants Linear and Quadratic Equations Surface Area and Volume of Sphere and Hemispherical shapes Mid-term Test Longitude and Latitude Longitude and Latitude Arithmetic of Finance Revision Examination Vacation   WEEK ONE TOPIC: BASIC CONCEPT &

## Simple Interest Compound Interest Annuities, Depreciation and Amortization

SUBJECT: MATHEMATICS   CLASS: SS 3   TERM: FIRST TERM     WEEK 9                                  Date: ……………………   Arithmetic of Finance: Simple Interest Compound Interest Annuities, Depreciation and Amortization   Simple Interest: Interest: This is the amount paid on money borrowed. It is calculated as a percentage of the amount borrowed, at a particular rate

## ANGULAR DIFFERENCE

SUBJECT: MATHEMATICS   CLASS: SS 3   TERM: FIRST TERM   WEEK 8                              Date: …………………… Topic ANGULAR DIFFERENCE The angle subtended at the centre of the great or small circle by the minor arc joining two places on the great or small circle respectively, is called the angular difference between the two places. We shall

## Spherical Geometry

SUBJECT: MATHEMATICS   CLASS: SS 3   TERM: FIRST TERM           WEEK 7                                             Date:…………….. Topic Spherical Geometry –The Earth Description – Concept of Longitude and Latitude – Concept of Great and Small Circles – Radii and length of Latitude Description of Earth: The earth is approximately spherical in shape. It has the North pole to the

## Surface Area and Volume of a Sphere, Hemisphere and Composite Shape

SUBJECT: MATHEMATICS   CLASS: SS 3   TERM: FIRST TERM           WEEK 6  Date:…………….. Topic  Surface Area and Volume of a Sphere, Hemisphere and Composite Shape Content A solid in geometry is a shape with length, width, and height. It is not a flat shape. Some of the common solids are

## SIMULTANEOUS EQUATION (One linear, One quadratic)

SUBJECT: MATHEMATICS   CLASS: SS 3   TERM: FIRST TERM     WEEK 5                                                                                 DATE:_____________________   TOPIC:  SIMULTANEOUS EQUATION (One linear, One quadratic)                   Examples Solve simultaneously for x and y (i.e. the points of their intersection)   3x + y = 10 2x2 +y2 = 19 Note: One linear, One quadratic is only possible

## Matrices and Determinant: Types, order, Notation, basic operations, transpose, determinants of 2 x 2 and 3 x 3 matrices, Inverse of 2 x 2 matrix and application to simultaneous equation

SUBJECT: MATHEMATICS   CLASS: SS 3   TERM: FIRST TERM           WEEK 4                                               DATE…………………………….   MATRICES *Definition of matrix and uses *Examples and types of matrix *Matrix addition and subtraction *Multiplication of matrices A matrix is an ordered set of numbers listed rectangular form. A matrix is, by definition, a rectangular array

## Application of surds to trigonometrical ratios. Draw the graphs of sine and cosine for angles 00< x < 3600

SUBJECT: MATHEMATICS   CLASS: SS 3   TERM: FIRST TERM             WEEK 3                         DATE……………………… Application of Surds to Trigonometrical Ratios Sine and Cosine graphs           Application of Surds to Trigonometrical Ratios: The following summary shows how to find the sine, cosine and tangent of angles in surd form. 1. To find

## Theory of Logarithms: Laws of Logarithms and application of Logarithmic equations and indices

SUBJECT: MATHEMATICS   CLASS: SS 3   TERM: FIRST TERM     WEEK 1                                                                                                                      DATE:_______________________   THEORY OF LOGARITHMS AND LAWS OF LOGARITHMS In general, the logarithm of a number is the power to which the base must be raised in order to give that number. i.e if y=nx, then x = logny. Thus, logarithms of