| 4kg=________g | 100dm2=________cm2 |
| 8km24m=________m | 90000cm2=________m2 |
| 290mm=________cm | 56000g=________kg |
| 350kg-300g=________g | 40m2+300dm2=________m2. |
| 4kg=________g | 100dm2=________cm2 |
| 8km24m=________m | 90000cm2=________m2 |
| 290mm=________cm | 56000g=________kg |
| 350kg-300g=________g | 40m2+300dm2=________m2. |