1
00:00:00,000 --> 00:00:02,252
Look at the rectangle.

2
00:00:03,650 --> 00:00:06,022
1 2 3 4

3
00:00:06,416 --> 00:00:09,004
5 6 7 8

4
00:00:09,400 --> 00:00:12,108
9 10 11 12

5
00:00:12,500 --> 00:00:15,208
Twelve square centimeters.

6
00:00:17,800 --> 00:00:20,052
Look at the rectangle.

7
00:00:21,450 --> 00:00:23,822
1 2 3 4

8
00:00:24,216 --> 00:00:26,804
5 6 7 8

9
00:00:27,200 --> 00:00:29,908
9 10 11 12

10
00:00:30,300 --> 00:00:33,704
13 14 15 16

11
00:00:34,100 --> 00:00:37,144
Sixteen square centimeters.

12
00:00:39,733 --> 00:00:41,985
Look at the rectangle.

13
00:00:43,383 --> 00:00:46,091
1 2 3 4 5

14
00:00:46,733 --> 00:00:49,489
6 7 8 9 10

15
00:00:50,083 --> 00:00:52,671
Ten square centimeters.

16
00:00:55,266 --> 00:00:57,518
Look at the rectangle.

17
00:00:58,916 --> 00:01:02,008
1 2 3 4 5 6

18
00:01:02,866 --> 00:01:06,150
7 8 9 10 11 12

19
00:01:06,816 --> 00:01:11,204
13 14 15 16 17 18

20
00:01:11,600 --> 00:01:14,404
Eighteen square centimeters.