Week 5: Percentage Change Video

• change
• decrease
• increase
• divide
• x
• 100
• 10
• 1000

• 0.25
• 0.5
• 0.75
• 0.125

Is the 12.5% change an increase or a decrease?

• Decrease

• Increase

• Neither

Using the formula, calculate the percentage change of the plant.

The plant grew from 1.2m to 1.8m in one year.

• 1.1kg
• = 1.57
• 1.57
• 157%
• 1.2
• 50%
• 2.5kg
• 100%
• 156%
• 1.52

What does a 100% increase mean?

• A 100% increase means the original amount is tripled.
• A 100% increase means the original amount remains the same.
• A 100% increase means the original amount is halved.
• A 100% increase means the original amount is doubled.