No student devices needed. Know more
10 questions
4 x 4
16
15
12
11
6 x4
20
21
23
24
9 x 8
71
72
75
76
5 x 5
20
22
24
25
6 x 6
30
32
34
36
9 x 5
40
45
48
50
7 x 7
42
44
48
49
6 x 6
30
36
42
48
10 x 0
10
11
1
0
10 x 10
10
100
11
0
Explore all questions with a free account