Lesson Notes By Weeks and Term v4 - JHS 1

Lesson Video

This page supports the lesson note with a companion video and a short classroom-ready summary.

For class groups and homework, share this lesson page so learners also get the summary, objectives, and full lesson context.

Performance objectives

• Define what a fraction is.
• Calculate a fraction of a given quantity, like money or items.
• Apply fractions to solve real-life problems.

Lesson summary

This lesson focuses on a very practical and important skill: finding a fraction of a quantity. In our daily lives in Ghana, we are constantly dealing with parts of a whole. For instance, when we share a meal like waakye or kenkey, we are dealing with fractions. When a shop at Makola or Kejetia market offers a discount like "half price," they are talking about a fraction. Understanding how to calculate a fraction of a number helps us to manage money, share items fairly, and make sense of information we see around us. This skill is a foundation for more advanced topics in mathematics and is essential for everyday problem-solving.

Lesson notes

A. The Meaning of "Of" in Fractions

The most important concept to understand today is what the word "of" means when we use it with fractions in mathematics. In mathematics, when you see the phrase "fraction of a quantity," the word "of" is a signal to MULTIPLY.

For example: "1/2 of 10" means "1/2 × 10" "3/4 of GHS 20" means "3/4 × 20" B. The Calculation Method

There is a simple, step-by-step method to find a fraction of any quantity.

Evaluation guide

• E.g.
• The graph shows the ages of
• learner s in a Primary 5 class.
• (i) Approximately, what fraction of