CHRONO

10 s.

Connaître la table d'addition (addition de 3 nombres).

CHRONO

0 s.
10 + 50 + 70 =
130 = 40 + 40 +
50 + 30 + 20 =
50 + 10 + 10 =
120 = 10 + 70 +
10 + 80 + 50 =
30 + 20 + 70 =
20 + 10 + 60 =
30 + 50 + 80 =
150 = 60 + 20 +
90 = 50 + 20 +
140 = 10 + 80 +
100 = 60 + 20 +
180 = 50 + 40 +
170 = 40 + 60 +
140 = 20 + 30 +
150 = 30 + 80 +
10 + 30 + 40 =
250 = 90 + 80 +
120 = 30 + 70 +