1. SCALE (Practise online)Practise online

2. Have a look at your model car Is it larger or smaller than the real thing? LARGERSMALLER

3. Sorry Try again BACK

4. Well done! Now look at your measurements. The scale is 1:18. If the real car is bigger, should you multiply or divide your measurements by 18? MULTIPLYDIVIDE

5. Sorry Try again BACK

6. That’s right! Your measurements are in centimetres (cm), but you must change them to millimetres (mm). How many millimetres are there in a centimetre? 10010

7. Sorry Try again BACK

8. Almost there! Since 1 cm is 10 mm, multiply your measurements by 10 to change them to mm. NEXT

9. Now it’s time to compare your measurements to the real thing. Pick your team PORSCHEMERCEDESTOYOTA