Calcul mental : A5

Calcul mental : astuce A5

Multiplier par 5, diviser par 5

Open Ended

12  $\times$  5 = ... ?

Open Ended

12 : 5 = ... ?

Open Ended

34 $\times$ 5 = ... ?

Open Ended

26 $\times$ 5 = ... ?

Open Ended

80 : 5 = ... ?