1. Use the tool to put 5 toys in your trolley. 2. Write down how much they cost in your book. 3. Press 3. In your Maths book add up how much you have spent. PROVE that you are right. You can use class money or sums to do this. 4. Sign back into and find your 5. Take a clear, close-up of your work. 6. Tap when you have finished.