No student devices needed. Know more
12 questions
5×1
5
4
6
3
5×2
5
10
11
15
5×3
15
16
18
12
5×4
18
15
20
21
5×5
25
24
26
28
5×6
30
35
36
31
5×7
35
34
33
31
5×8
40
45
40
48
5×9
45
44
50
49
5×10
50
55
51
56
5×11
50
49
55
44
5×12
60
66
65
64
Explore all questions with a free account