Grade 10 Core Mathematics | Strand 1: Numbers and Algebra | Real Numbers

Grade 10 Core Mathematics | Strand 1: Numbers and Algebra | Real Numbers

In this lesson, we introduce Grade 10 Core Mathematics, beginning with Strand 1: Numbers and Algebra under the CBC curriculum.
The focus of this video is the first sub-strand: Real Numbers.

The lesson builds foundational understanding by exploring classification of numbers and reciprocals of real numbers, with clear explanations and practical examples.

What is covered in this lesson:

Classification of whole numbers as:
Odd numbers
Even numbers
Prime numbers
Composite numbers

Classification of real numbers as:
Rational numbers
Irrational numbers

Determining reciprocals:
By division
Using calculators
Using mathematical tables

Application of reciprocals in mathematical computations
This lesson is suitable for:
Grade 10 learners following the CBC syllabus
Learners revising number concepts
Learners studying online or independently
This video forms the foundation for subsequent topics in Grade 10 Core Mathematics.

⏱️ Timestamps / Chapters
0:00 Introduction
1:29 Meaning Whole Numbers
2:26 Odd and Even Numbers
5:42 Prime and Composite Numbers
10:38 Real Numbers
11:14 Rational Number
12:20 Irrational Numbers
14:24 Introduction to Reciprocals
15:27 Finding Reciprocals by Division
17:39 Using Calculators to Find Reciprocals
18:48 Using Mathematical Tables
30:07 Application of Reciprocals in Computations