Calcul mental
Séquence 4.
Conversions d’unités; multiplication par 10
Question 1
45,63 x 10 =
Question 2
40,2 x 100 =
Question 3
0,602 x 10 =
Question 4
30 cm = m
Question 5
28,2 dag = g
Question 6
84,5 hL = dL
Question 7
37,5 mg = dg
Fin• Posez les stylos et retourner la feuille.
Correction
Question 1
45,63 x 10 =
Question 1
45,63 x 10 = 4 56,3
Question 2
40,2 x 100 =
Question 2
40,2 x 100 = 4 020
Question 3
0,602 x 10 =
Question 3
0,602 x 10 = 6,02
Question 4
30 cm = m
Question 4
30 cm = 0,30 m
Question 5
28,2 dag = g
Question 5
28,2 dag = 282 g
Question 6
84,5 hL = dL
Question 6
84,5 hL = 84 500 dL
Question 7
37,5 mg = dg
Question 7
37,5 mg = 0,375 dg
Fin