Detailed teachers' notes for this activity are available on our NRICH website.
Stage: 3 Challenge Level: 
Below are some interesting measurements and records from events at the Olympic Games. Unfortunately they have been muddled up.
Can you regroup them correctly? You can print off and cut out this set of cards.
| Usain Bolt's 100 metres World Record |
40 | km |
| Mass of Women's Discus | 02:15:25 | mph |
| Women's Discus World Record | 1500 | km |
| Average speed of World Record Men's 50 km Walking race |
1 | metres |
| Men's Shot put World Record | 76.8 | hr:min:sec |
| Paula Radcliffe's Women's Marathon World Record |
6.16 | metres |
| Triathlon Swim (distance) | 8.77 | kg |
| Triathlon Bicycle ride (distance) | 10 | metres |
| Triathlon Run (distance) | 9.58 | seconds |
| Men's Pole Vault World Record | 23.12 | metres |
| Women's Long Jump World Record |
18 | cm |
| Men's High Jump World Record | 21.34 | hr:min:sec |
| Basketball hoop diameter | 10 | metres |
| Basketball hoop height | 01:49:55 | seconds |
| Diameter of Archery target | 7.52 | metres |
| Archers’ distance from the target | 01:46:25 | metres |
| Height of Diving platform | 2.45 | hr:min:sec |
| Men's 10km Swimming 2012 Olympics winner's time |
70 | inches |
| Men's 50m Freestyle Swimming 2012 Olympics winner's time |
122 | metres |
| Men's Triathlon 2012 Olympics winner's time |
10 | feet |
Further information
If you're finding hard to get started, try looking at this hint. Detailed teachers' notes for this activity are available on our NRICH website.