Lesson 3

• Mathematics
• Lower Secondary (Key Stage 3)

Lesson 3

Drag the correct image to the associated part of the graph that shows the various stages of having a bath.

1. Filling fastest
2. Filling slowest
3. Not filling or emptying
4. Emptying

1. Filling fastest
2. Filling slowest
3. Not filling or emptying
4. Emptying

1. Filling fastest
2. Filling slowest
3. Not filling or emptying
4. Emptying

Review Of The Gradient Of A Graph

Key Points

• The gradient is to move one square along and one square up.

Review Of The Gradient Of A Graph

Key Points

• The gradient is to move one square along and one square up.
• (This is the vertical and horizontal distance to move from one point to another one on the line) 

Review Of The Gradient Of A Graph

Key Points

• The gradient is to move one square along and one square up.
• In the diagram we are using a triangle to help determine the gradient.
• The gradient = 4 ÷ 4 = 1

4

4

1. Filling 3 litres per minute
2. Filling 24 litres per minute
3. Filling 12 litres per minute
4. Filling 8 litres per minute

1. Filling 18 litres per minute
2. Filling 27 litres per minute
3. Filling 36 litres per minute
4. Filling 9 litres per minute