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

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

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

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

37805cm2=......m2........dm2.........cm2=..........m2

57950cm2=..............m2.............dm2...................cm2=...........dm2

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

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

Bài 22: Viết số thích hợp vào chỗ chấm: 

 a) 1m2 = ....dm2      b) 125 dm2 = ....m2 ....dm2       

d) 5dm23cm2 = ... cm2                 e) 43 hm2 = ... m2 

g) 307dm2 = ... m2 .... dm2            h) 150m2 = .... dam2 ....m2 

a) 2/5 dam2=…m2, 3/4 hm2=…m2, 5/8 km2=…m2,

b) 2/5 m2=…dm2, 3/4m2=…cm2, 5/8m2=…mm2

7 cm2 =.........mm2

18 hm2 =...........m2

4300 dm2 =............m2

48 dm2 32 m2 = .............m2

3010m2 = ............dam2............ m2

160 cm2 = ................dm2 .............cm2

5,42035 km2 =.......m2

281,6 hm2 =..........m2

35,04 ha =.......dam2

183 m2 =.........ha

1362 cm2 =.......m2

89 dm2=......dam