Scientific Notation - Year 9 Mathematics

Explore scientific notation, a compact method for writing very large or small numbers, in this 48-minute mathematics video. Learn how to use powers of ten to manipulate decimal points, connecting these concepts to real-world examples like city populations. Discover the relationship between scientific notation and index laws, and practice multiplying and dividing numbers by various powers of ten. Gain a deeper understanding of percentages, particularly 10% and 1%, as you work through practical examples and exercises.

Introduction
Multiplying a number by 10
Multiplying and dividing by 100
Dividing a number by 100
Multiplying and dividing by powers of 10
Dividing by 10⁴