Review decimal arithmetic for Year 9 Mathematics students in this comprehensive video lecture. Learn to conceptualize decimals as points on a number line, using repeated subdivisions into tenths. Explore the analogy between decimals and money to understand scale-ability by 10. Practice basic arithmetic operations with decimals, including addition, subtraction, multiplication, and division. Convert decimals to fractions and master the rules for multiplying and dividing by powers of 10. Gain essential skills for working with decimal numbers through explanations and exercises designed to reinforce your understanding.
Overview
Syllabus
Introduction to decimal arithemtic
Addition and subtraction
Thinking about decimals as money
General decimals
Converting a decimal to a fraction
Multiplying and dividing by powers of 10
Rules when multiplying and dividing by 10
Taught by
Insights into Mathematics
