Show:
x3
x4
x6
x7
x8
100

2 x 3

What is 21

100
4 x 2
What is 8
100
6 x 3
What is 18
100

2 x 7

What is 14

100
8 x 9
What is 72
200

3 x 4

What is 12

200

4 x 4

What is 16

200
6 x 8
What is 48
200
7 x 8
What is 56
200
8 x 7
What is 56
300

3 x 7

What is 21

300

4 x 8

What is 32

300
6 x 4
What is 24
300
7 x 7
What is 49
300
8 x 8
What is 64
400
6 x 3
What is 18
400
4 x 9
What is 36
400
6 x 6
What is 36
400
7 x 6
What is 42
400
8 x 4
What is 32
500
8 x 3
What is 24
500
4 x 7
What is 28
500
6 x 9
What is 54
500

7 x 12

What is 84

500

8 x 12

What is 96