Step 4 Objective

Understand percentage as the number of parts in every 100 and find simple percentages of small whole-number quantities.


Probing questions

What percentages can you easily work out in your head? Talk me through a couple of examples.

When calculating percentages of quantities, what percentage do you usually start from?

How do you use this percentage to work out others?

To calculate 10% of a quantity, you divide it by 10. So to find 20%, you must divide by 20. What is wrong with this statement?

On a 1-100 grid, 50% of the numbers are even. How would you check?

Give me a question with the answer 20%.