KingMath
← All CM2 · age 10 exercises

Proportion

Work out the price of one item first.

🔍 Step 1 · Understand

First, look at a worked example

3 notebooks cost €27. How much do 8 notebooks cost, in €?

💡 The tip : First work out the price of one notebook.

🤔 Find the answer in your head, then open the solution.

👀 See the solution

Answer: 72

One notebook costs 27 ÷ 3 = €9, so 8 notebooks cost 8 × 9 = €72.

🎯 Step 2 · Your turn!

10 questions. Take your time, and ask for a hint if you get stuck.