9 dam2 = ........m2

18m2=......dm2

17km2 = ......dam2

5m2 7dm2=.......cm2

4km2 107dam2=.....dam2

2/5km2=....m2

480000cm2=.........m2

1800000mm2=.......dm2

9000000m2=.......km2

46000cm2=......m2........dm2

907000dam2=....km2......dam2

3 4/5km2=......km2......hm2

1/10ha=..............m2

1/4ha=.................m2

1/100km2=.............ha

2/5km2=.................ha

B)7m24cm2=...cm2
12dm2=...m2
5km2=...m2
2m2 59dm2=...m2
48m3 7dm3=...m3
6ha700m2=...m2
350cm3=...dm3
3m3 24cm3=...m3

6km2 23456m2=........km2...........hm2.........dam2..........m2=..........km2

5km2 246m2=........km2...........hm2.........dam2=.........m2..........km2

57932 m2= ............m2............dm2..........cm2=...........m2

5,405m2=...............dm2............cm2..........=.............cm2...........dm2

Viết dưới dạng số thập phân

3m2 65 dm2 = m2

16m2 7dm2=m2

49dm2=m2

5km2 6km2 = km2

6km2 23456m2=…km2…hm2…dam2…m2=…km2

5km2 246dam2=…km2…hm2…dam2=…km2

57932cm2=…m2…dm2…cm2=…m2

5,405m2=…m2…dm2…cm2=…cm2…=…dm2

6km2 23456m2=…km2…hm2…dam2…m2=…km2

5km2 246dam2=…km2…hm2…dam2=…km2

57932cm2=…m2…dm2…cm2=…m2

5,405m2=…m2…dm2…cm2=…cm2…=…dm2

Viết thành số đo có đơn vị "m2"

5km2 950m2 = ......... m2

7hm2 5m2 = ............m2

3dam2 4m2 = ..............m2

7543 mm2 = ...............m2

45dm2 = ....................m2

1250cm2 = ....................................m2

0,57km2 = ..............................m2