MATEMÁTICAS

21 km son

2.100 dam

0’5 dm son

5 cm

75 dg son

750 cg

21 x 100 = 2.100

0’5 x 10 = 5

75 x 10 =750

14’82 cm son

148’2 mm

2 km son

200 dam

2000 mg son

2 g

14’82 x 10 = 148’2

2 x 100 = 200

2000 : 1000 =2

2’1 dam son

2100 cm

10 mm son

1 cm

50 hg son

5 kg

2’1 x 1000 = 2100

10 : 10 = 1

50 : 10 =5

125 m son

1250 dm

3 dam son

30 m

81 cg son

810mg

125 x 10 =1250

3 x 10 =30

81 x 10 =810

0’71 hm son

71000mm

4’5 hm son

0’45km

6 hl son

600 l

0’71 x 100.000 =71000

4’5 : 10 =0’45

6 x 100 =600

3 hm son

3000 dm

25 dg son

2’5 g

3’8 dal son

0’038kl

3 x 1000 =3000

25 : 10 =2’5

3’8 : 100=0’038

15’7 cm son

0’157 m

15 kg son

1500 dag

3 kl son

300 dal

15’7  : 100 =0’157

15 x 100 =1500

3 x 100 =300

380 dl son

0’38 hl

0’48 hl son

480 dl

120 cl son

1’2 l

380 : 1000 =0’38

0’48x1000=480

120 : 100 =1’2