1. Proportion: Direct proportion (x and y)
Silent
Teacher
Intelligent Practice
Narration
Your Turn
When y=20, x=5
Find y when x=3
When y=20, x=5
Find y when x=2
Example
For more videos visit mrbartonmaths.com/videos

2. When y=20, x=2 Find y when x=5 When y=20, x=2 Find y when x=3
Worked Example
Your Turn
When y=20, x=2
Find y when x=5
When y=20, x=2
Find y when x=3

3. When y=20, x=5
Find y when x=3
When y=12, x=4
Find y when x=6
When y=20, x=5
Find y when x=2
When y=24, x=4
Find y when x=6
When y=20, x=4
Find y when x=2
When y=24, x=8
Find y when x=6
When y=20, x=4
Find y when x=6
When y=24, x=6
Find y when x=8

4. When y=24, x=12
Find y when x=8
When y=8, x=24
Find y when x=12
When y=24, x=24
Find y when x=8
When y=8, x=12
Find y when x=24
When y=12, x=24
Find y when x=8
When y=12, x=8
Find y when x=24
When y=12, x=24
Find y when x=12
When y=120, x=8
Find y when x=24

5. When y=20, x=5
Find y when x=3
When y=12, x=4
Find y when x=6
y=12
y=18
When y=20, x=5
Find y when x=2
When y=24, x=4
Find y when x=6
y=8
y=36
When y=20, x=4
Find y when x=2
When y=24, x=8
Find y when x=6
y=10
y=18
When y=20, x=4
Find y when x=6
When y=24, x=6
Find y when x=8
y=30
y=32

6. When y=24, x=12
Find y when x=8
When y=8, x=24
Find y when x=12
y=16
y=4
When y=24, x=24
Find y when x=8
When y=8, x=12
Find y when x=24
y=8
y=16
When y=12, x=24
Find y when x=8
When y=12, x=8
Find y when x=24
y=4
y=36
When y=12, x=24
Find y when x=12
When y=120, x=8
Find y when x=24
y=6
y=360