Lesson 5

## Energy use calculations

### Introduction

Students build on previous lessons, analysing energy use patterns by calculating the amount of energy used and its cost.

### Learning objectives

- Calculate the amount of energy used in kWh given the time and power consumed by electric lighting
- Calculate the cost of energy used from previously recorded data

### You will need

Downloadable resources:

- Lesson slides
- Lesson plan
- Student handouts
- Spreadsheet 5a - energy use in kWh
- Spreadsheet 5b - energy cost

Other resources:

Student work from previous lesson, spreadsheet (optional)

#### Quick links

### Lesson plan

Introduction

Calculate energy use

Calculate energy cost

Analysing costs

Review

Differentiation

Opportunities for assessment