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