introduction to percentages

Introduction to Percentages

Define percentage as ‘number of parts per hundred’ and learn what percentages represent and how to write a percentage as a fraction or decimal.

Target Age:

Lesson Overview

By the end of this unit, students will:

  1. define percentage as ‘number of parts per hundred’;
  2. learn what percentages represent and how to write a percentage as a fraction or decimal;
  3. understand that 50% is the same as 50/100 or 0.5.

Curriculum Alignment: Key Stage 3: Number

  • define percentage as ‘number of parts per hundred’, interpret percentages and percentage changes as a fraction or a decimal, interpret these multiplicatively, express 1 quantity as a percentage of another, compare 2 quantities using percentages, and work with percentages greater than 100%.
Last updated on: February 21, 2026

More Resources You’ll Love

probability of single events
Probability of a Single Event
Histograms​
stem and leaf diagrams​
Stem and Leaf Diagrams​
representations of fraction
Representations of Fractions