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 = dL

Question 7 37,5 mg = dg

Question 7 37,5 mg = 0,375 dg

Fin