Multiplication

Front 1

2x2

Back 1

4

Front 2

2x3

Back 2

6

Front 3

2x4

Back 3

8

Front 4

2x5

Back 4

10

Front 5

2x6

Back 5

12

Front 6

2x7

Back 6

14

Front 7

2x8

Back 7

16

Front 8

2x9

Back 8

19

Front 9

2x10

Back 9

20

Front 10

2x11

Back 10

22

Front 11

2x12

Back 11

24

Front 12

6x3

Back 12

18

Front 13

6x4

Back 13

24

Front 14

6x5

Back 14

30

Front 15

6x6

Back 15

36

Front 16

6x7

Back 16

42

Front 17

6x8

Back 17

48

Front 18

6x9

Back 18

54

Front 19

6x10

Back 19

60

Front 20

7x3

Back 20

21

Front 21

7x4

Back 21

28

Front 22

7x5

Back 22

35

Front 23

7x7

Back 23

49

Front 24

7x8

Back 24

56

Front 25

7x9

Back 25

63

Front 26

7x10

Back 26

70

Front 27

8x3

Back 27

24

Front 28

8X4

Back 28

32

Front 29

8X5

Back 29

40

Front 30

8X8

Back 30

64