4589dm2=...m2...cm2,579689cm2=...m2...dm2...m2,12000000cm2=...dm2...m2,25879000M2=km2...m2

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

Bài 2: Điền số thích hợp vào chỗ trống:

1 km2 = ………………………..m2 5 000 000 m2 = …………km2

6 m2 4 dm2 =………………….dm2 21 500 cm2 = …………..dm2

3 km2 40 m2 =………………….m2 3402 cm2 =……dm2……cm2

12 m2 4 dm2 =…………………dm2 10235 dm2 = ……..m2…..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

Điền vào chỗ trống

      a. 6 km2 = …… m2

      b. 32 m2 25 dm2 = ……… dm2

      c. 408 m2 = ……… dm2 ………… cm2

      d. 4700 cm2 = ……… dm2.

720 dm2 = ...  cm2      73 000 cm2 = ... dm2    900 dm2 =  m2      14 dm2 13cm2 = ...cm2    85 000 000 m2 = ...km2   105 km2 = ... m2