**Mathematics Lesson Notes SS3 First Term**

**SCHEME OF WORK**

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**Week 1 – Theory of logarithm**

**Week 2 – Surds: Meaning of rational and irrational numbers leading to the definition of surds**

**Week 3 – Application of surds to trigonometrical ratios**

**Week 4 – Matrices and determinants **

**Week 5 – Linear and quadratic equation**

**Week 6 – Word problems leading to one linear – one quadratic equation surface areas and volume of sphere and hemispherical shape**

**Week 7 – Latitude and longitude identification of North and South poles**

Below are the 2022 complete SS3 Mathematics First Term Lesson Note

## Lesson Note on Mathematics SS3 First term

**Week 1 – Theory of Logarithm**

**Overview – **This week, we shall learn about the theory of logarithm. We shall be introduced to the laws of logarithms – quotient law, product law, power law, root law, fractional power and change of base. We shall also learn how to apply the laws of logarithm in solving problems involving calculations. To learn more, Click **here**…

**Week 2 – Surds: Meaning of Rational and Irrational Numbers Leading to the Definition of Surds**

**Overview – **There are rational and there are irrational numbers. Surds are irrational numbers that cannot be simplified into whole numbers. Rational numbers are numbers that can be expressed as part of a whole number. This week, we shall learn about surds and how to solve problems on surds. To learn more, Click **here**……

**Week 3 – Application of Surds to Trigonometrical Ratios**

**Overview – **Having been introduced to surds, this week, we shall learn how to apply surds to trigonometrical ratios. To learn more, Click **here**…

**Week 4 – Matrices and Determinants **

**Overview – **A matrix is an array of numbers. The determinant of a matrix is a special number that can be calculated from a square matrix. Matrices can be added, subtracted and multiplied by a constant and even by another matrix. This week, we shall learn about matrices and determinants. We shall learn how to calculate problems on matrices and how to calculate determinants. To learn more, Click **here**…

**Week 5 – Linear and Quadratic Equation**

**Overview – **A linear equation looks like any other equation. It is made up of two expressions set equal to each other. The graphs of linear equations are always lines. Quadratic equation refers to polynomial equation that have a general form of ax^{2 }+ bx + c = 0, where a, b and c are co-efficient. This week, we shall learn about linear and quadratic equations. To learn more, Click **here**…

**Week 6 – Word Problems Leading to One Linear – One Quadratic Equation Surface Areas and Volume of Sphere and Hemispherical Shape **

**Overview – **Having learnt about linear and quadratic equations, this week, we shall learn more about linear and quadratic equations. We shall learn about word problems leading to one linear – one quadratic equation surface areas and volume of sphere and hemispherical shape To learn more, Click **here**…

# Week 7 – Latitude and Longitude Identification of North and South Poles

**Overview – **Latitude is the angular distance of a point on the earth’s surface, measured in degree from centre of the earth. Longitude refers to the imaginary vertical lines drawn on the globe. Time zones are based on the fact that Earth moves through 15 degrees of longitude each hour. This week, we shall learn about latitude and longitude identification of North and South poles.** **To learn more, Click **here**…

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