Convert between millimetres, centimetres and metres to compare lengths and distances
| 1. | Birds of a feather: Multipy cm, convert to metres | |
| 2. | Low Light - fractions of a metre in cm | |
| 3. | Octopus Arms - fractions of a metre in cm | |
| 4. | Metric Measures Match Up! - conversion between units; mm, cm, m, km | |
| 5. | On The Nose - equivalent to 1cm | |
| 6. | Stretching Things A Bit 2 - equivalent to 255mm | |
| 7. | Are We There Yet? 2 - 35000m in km | |
| 8. | On Target 2 - equivalent to three-quarters of a m | |
| 9. | The Purple Metre Eater 2 - equivalent to 1km | |
| 10. | The Ants' Pants 2 - number of 10mm units in 8cm | |
| 11. | Length Match 1 - equivalent to one-half of a metre | |
| 12. | On Target 1 - equivalent to one-half of a metre | |
| 13. | Rule The World 5 - mm to km | |
| 14. | Rule The World 3 - km to mm | |
| 15. | Rule The World 2 - m to mm | |
| 16. | Rule The World 1 - mm to cm; decimal | |
| 17. | Rule The World 14 - cm to km | |
| 18. | Rule The World 9 - km to cm | |
| 19. | Rule The World 8 - m to mm | |
| 20. | What An Eye-Full! 1 - calculate length and convert from m to mm |