Learn a Fact: 3 x 7

1
2
x  8
2
2
x  3
3
2
x  2
4
6
x  2
5
3
x  6
6
2
x  7
7
9
x  2
8
2
x  9
9
2
x  5
10
8
x  2
11
4
x  2
12
5
x  3
13
3
x  4
14
6
x  3
15
6
x  0
16
1
x  9
17
3
x  3
18
2
x  6
19
7
x  3
20
2
x  4

Fact Navigator

You're learning

3

x7


21

7

x3


21

Move on to other facts:
3
X 6
18
3
X 8
24