1. Quart Mètode de rapidesa de càlcul mental
Operacions ben fetes la darrera vegada:
Sumes
Operacions ben fetes en 2 minuts: 13
9 + 3 = 6 + 4 = 3 + 3 = 5 + 2 =
9 + 6 = 6 + 9 = 3 + 6 = 5 + 5 =
9 + 9 = 6 + 7 = 3 + 9 = 5 + 8 =
9 + 5 = 6 + 3 = 3 + 2= 5 + 3 =
9 + 3 = 6 + 6 = 3 + 8 = 5 + 8 =
9 + 5 = 6 + 8 = 3 + 7 = 5 + 7 =
9 + 4 = 6 + 7 = 3 + 3 = 5 + 9 =
9 + 9 = 6 + 5 = 3 + 5 = 5 + 6 =
9 + 6 = 6 + 6 = 3 + 4 = 5 + 5 =
9 + 7 = 6 + 3 = 3 + 8 = 5 + 7 =
9 + 5 = 6 + 9 = 3 + 3 = 5 + 4 =
9 + 9 = 6 + 3 = 3 + 6 = 5 + 9 =
9 + 4 = 6 + 4 = 3 + 7 = 5 + 2 =
9 + 7 = 6 + 8 = 3 + 2 = 5 + 6 =
9 + 3 = 6 + 7 = 3 + 9 = 5 + 7 =
2. Quart Mètode de rapidesa de càlcul mental
Operacions ben fetes la darrera vegada:
Restes
Operacions ben fetes en 2 minuts: 14
7 - 4 =
7 - 5 =
13 - 7 =
17 - 6 =
9 - 7 =
10 - 7 =
7 - 5 =
12 - 7 =
11 - 7 =
8 - 4 =
13 - 5 =
6 - 4 =
14 - 8 =
17 - 2 =
7 - 3 =
7 - 6 =
13 - 5 =
8 - 5 =
15 - 8 =
10 - 6 =
7 - 4 =
17 - 6 =
13 - 8 =
5 - 2 =
14 - 3 =
8 - 7 =
11 - 5 =
17 - 6 =
7 - 2 =
17 - 4 =
12 - 7 =
14 - 7 =
6 - 2 =
13 - 4 =
7 - 7 =
15 - 3 =
14 - 5 =
9 - 8 =
17 - 4 =
7 - 5 =
13 - 6 =
4 - 3 =
17 - 5 =
11 - 6 =
6 - 2 =
8 - 3 =
16 - 7 =
18 - 6 =
8 - 6 =
17 - 8 =
17 - 7 =
18 - 5 =
17 - 3 =
10 - 3 =
12 - 4 =
7 - 3 =
14 - 7 =
6 - 3 =
13 - 6 =
8 - 2 =
3. Quart Mètode de rapidesa de càlcul mental
Operacions ben fetes la darrera vegada:
Multiplicacions
Operacions ben fetes en 2 minuts: 15
2 x 8 =
5 x 7 =
4 x 5 =
7 x 8 =
3 x 9 =
8 x 4 =
9 x 5 =
6 x 3 =
4 x 9 =
3 x 8 =
4 x 3 =
8 x 6 =
6 x 5 =
8 x 5 =
9 x 4 =
7 x 4 =
3 x 7 =
9 x 2 =
4 x 8 =
6 x 6 =
7 x 2 =
8 x 3 =
7 x 6 =
9 x 3 =
5 x 6 =
9 x 7 =
2 x 9 =
3 x 6 =
2 x 6 =
8 x 8 =
9 x 6 =
4 x 7 =
8 x 9 =
3 x 5 =
7 x 7 =
5 x 5 =
9 x 8 =
6 x 2 =
7 x 5 =
4 x 2 =
7 x 9 =
5 x 8 =
8 x 2 =
2 x 5 =
6 x 9 =
2 x 4 =
4 x 4 =
7 x 8 =
5 x 4 =
2 x 3 =
8 x 7 =
6 x 7 =
3 x 7 =
5 x 3 =
7 x 3 =
5 x 2 =
3 x 4 =
9 x 7 =
3 x 3 =
6 x 8 =
4. Quart Mètode de rapidesa de càlcul mental
Operacions ben fetes la darrera vegada:
Divisions
Operacions ben fetes en 2 minuts: 16
28 : 7 =
12 : 4 =
72 : 8 =
27 : 9 =
27 : 3 =
36 : 6 =
27 : 9 =
24 : 6 =
14 : 7 =
30 : 6 =
18 : 9 =
16 : 4 =
40 : 8 =
48 : 6 =
50 : 5 =
24 : 8 =
36 : 9 =
40 : 8 =
28 : 7 =
63 : 9 =
24 : 3 =
18 : 6 =
42 : 7 =
48 : 6 =
81 : 9 =
32 : 8 =
28 : 7 =
72 : 8 =
12 : 3 =
36 : 6 =
12 : 4 =
21 : 7 =
30 : 5 =
24 : 8 =
27 : 3 =
28 : 4 =
21 : 3 =
18 : 3 =
15 : 5 =
72 : 9 =
48 : 6 =
24 : 4 =
21 : 7 =
40 : 8 =
24 : 4 =
18 : 3 =
18 : 2 =
80 : 8 =
35 : 5 =
16 : 4 =
72 : 8 =
40 : 5 =
24 : 6 =
16 : 2 =
20 : 5 =
56 : 7 =
14 : 2 =
15 : 5 =
63 : 7 =
35 : 7 =
