4987 m2 = 49 dam2 87m2 ; 125600 m2 =12hm2 56dam2 320060 dam2 =32km2 6000m2 ; 9 028 007 m2 = 9km2 28007m2
4987 m2 = 49 dam2 87m2 ; 125600 m2 =12hm2 56dam2 320060 dam2 =32km2 6000m2 ; 9 028 007 m2 = 9km2 28007m2
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 số thích hợp vào chỗ chấm :
k m 2 | h m 2 | d a m 2 | m 2 | d m 2 | c m 2 | m m 2 |
1 k m 2 =.... h m 2 | 1 h m 2 =... d a m 2 =... k m 2 | 1 d a m 2 =... m 2 =.. h m 2 | 1 m 2 =100 m 2 =0,01 d a m 2 | 1 d m 2 =... c m 2 =... m 2 | 1 c m 2 =... m m 2 =... d m 2 | 1 m m 2 =.. c m 2 |
Chú ý : Khi đo diện tích ruộng đất người ta còn dùng đơn vị héc-ta (ha)
1ha = … m 2
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
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
4 987m2=....dam2.....m2
320 060dam2=....km2....m2
125 600m2...hm2...dam2
9 028 007m2=...km2...m2
8002007m2 =...km2...m2
512600m2=...hm2...dam2
230060dam2=...km2...dam2
9465m2=...dam2...m2
450000dam2=...km2
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
7,6 hm2 = ..... dam2
0,17 dam2 = ...... m2
8,9 hm2 = ..... dam2
0,21 hm2 = ...... dam2
15,2 m2 = ..... dm2
1,107 dm2 = ..... mm2
0,321 dm2 = ..... cm2
1,9 m2 = ..... dm2
0,821 km2 = ...... dam2