Author: Bruce

Calcul
mental

×2, ×5 et ×10

j

Attention : l’exercice 3 doit être réalisé en dernier ou bien masqué lors de la réalisation des exercices 1 et 2.
Activités
1. Complète le tableau suivant.
2. Écris directement le résultat des opérations qui te seront dictées.
3. Complète ces tables de multiplication.

2 × 2 =	7 × 2 =	8 × 5 =	9 × 2 =	10 × 9 =
5 × 3 =	9 × 5 =	4 × 5 =	2 × 4 =	5 × 2 =
10 × 2 =	2 × 8 =	5 × 2 =	5 × 7 =	5 × 6 =
3 × 2 =	4 × 10 =	10 × 8 =	7 × 10 =	6 × 2 =

1	2	3	4	5
6	7	8	9	10
11	12	13	14	15
16	17	18	19	20

× 2
2 × 0 =		= 0 × 2
2 × 1 =		= 1 × 2
2 × 2 =
2 × 3 =		= 3 × 2
2 × 4 =		= 4 × 2
2 × 5 =		= 5 × 2
2 × 6 =		= 6 × 2
2 × 7 =		= 7 × 2
2 × 8 =		= 8 × 2
2 × 9 =		= 9 × 2
2 × 10 =		= 10 × 2

× 5
5 × 0 =		= 0 × 5
5 × 1 =		= 1 × 5
5 × 2 =		= 2 × 5
5 × 3 =		= 3 × 5
5 × 4 =		= 4 × 5
5 × 5 =
5 × 6 =		= 6 × 5
5 × 7 =		= 7 × 5
5 × 8 =		= 8 × 5
5 × 9 =		= 9 × 5
5 × 10 =		= 10 × 5

× 10
10 × 0 =		= 0 × 10
10 × 1 =		= 1 × 10
10 × 2 =		= 2 × 10
10 × 3 =		= 3 × 10
10 × 4 =		= 4 × 10
10 × 5 =		= 5 × 10
10 × 6 =		= 6 × 10
10 × 7 =		= 7 × 10
10 × 8 =		= 8 × 10
10 × 9 =		= 9 × 10
10 × 10 =

Calcul
mental

×2, ×5 et ×10

j

Attention : l’exercice 3 doit être réalisé en dernier ou bien masqué lors de la réalisation des exercices 1 et 2.
Activités
1. Complète le tableau suivant.
2. Écris directement le résultat des opérations qui te seront dictées.
3. Complète ces tables de multiplication.

2 × 2 =	7 × 2 =	8 × 5 =	9 × 2 =	10 × 9 =
5 × 3 =	9 × 5 =	4 × 5 =	2 × 4 =	5 × 2 =
10 × 2 =	2 × 8 =	5 × 2 =	5 × 7 =	5 × 6 =
3 × 2 =	4 × 10 =	10 × 8 =	7 × 10 =	6 × 2 =

1	2	3	4	5
6	7	8	9	10
11	12	13	14	15
16	17	18	19	20

× 2
2 × 0 =		= 0 × 2
2 × 1 =		= 1 × 2
2 × 2 =
2 × 3 =		= 3 × 2
2 × 4 =		= 4 × 2
2 × 5 =		= 5 × 2
2 × 6 =		= 6 × 2
2 × 7 =		= 7 × 2
2 × 8 =		= 8 × 2
2 × 9 =		= 9 × 2
2 × 10 =		= 10 × 2

× 5
5 × 0 =		= 0 × 5
5 × 1 =		= 1 × 5
5 × 2 =		= 2 × 5
5 × 3 =		= 3 × 5
5 × 4 =		= 4 × 5
5 × 5 =
5 × 6 =		= 6 × 5
5 × 7 =		= 7 × 5
5 × 8 =		= 8 × 5
5 × 9 =		= 9 × 5
5 × 10 =		= 10 × 5

× 10
10 × 0 =		= 0 × 10
10 × 1 =		= 1 × 10
10 × 2 =		= 2 × 10
10 × 3 =		= 3 × 10
10 × 4 =		= 4 × 10
10 × 5 =		= 5 × 10
10 × 6 =		= 6 × 10
10 × 7 =		= 7 × 10
10 × 8 =		= 8 × 10
10 × 9 =		= 9 × 10
10 × 10 =

v01 – Bruce Demaugé-Bost – http://bdemauge.free.fr