Home Explore the BBC
 20 October 2014

Schools Home > Teachers > KS3 Bitesize Lesson Plans > Maths > Number: Negative Numbers

# Number: Negative Numbers

Negative Numbers lesson plan

## KS3 Bitesize

### Objectives

• Pupils order add and subtract negative numbers.

• AT2 level 5

### Teaching activities

#### Mental Starter

• Lots of quick fire questions such as:
"If I have £100 in the bank and I spend £150, how much do I owe?"

"If the temperature is – 3° and it warms up by 5°, what is the temperature?"

#### Activity

1. Have a vertical number line on the wall so that you can indicate where to start on the question and we are adding/coming up or subtracting/going down.
2. Talk the pupils through a few questions with you using your vertical number line.
3. The pupils do the worksheet.

#### Extension

• How to deal with adding negative numbers + –
• How to deal with subtracting negative numbers – –

#### Plenary

• Lots of quick fire questions

#### Homework

• A teacher-prepared sheet of negative-number problems to work out.