\(\dfrac{1}{10}hm^2=1000m^2\)
\(\dfrac{1}{10}km^2=10hm^2\)
\(\dfrac{3}{5}hm^2=6000m^2\)
\(\dfrac{1}{2}km^2=50hm^2\)
\(\dfrac{1}{10}hm^2=1000m^2\)
\(\dfrac{1}{10}km^2=10hm^2\)
\(\dfrac{3}{5}hm^2=6000m^2\)
\(\dfrac{1}{2}km^2=50hm^2\)
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
1 viết số thích hợp vào chỗ chấm
4750 m2 = ........dam2 = ............m2
137 hm2 = ..........km2 = .............hm2
247 dm2 = ............m2= .............dm2
324 cm2 = .............dm2
7m2 6 dm2 = ............. dm2
7 hm2 8m2 = .............m2
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
16dam 9m=………dam2 12000 hm2=………km2 12m 9dm2=……….dm2 1/10 km2=………….ha 3/4 km2=………..ha 1800 ha=………..km2 1/2 ha=……….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
Viết số thích hợp vào chỗ chấm :
800mm2 = ... cm2
3400dm2 = ... m2
12 000 hm2 = … km2
150cm2 = ... dm2... cm2
90 000m2 = ... hm2
2010m2 = ... dam2... m2
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