4th grade place value lesson

17:43

18:00

کوتاه

25:59

19:25

23:15

16:22

22:17

31:09

کوتاه

کوتاه

کوتاه

3:47

9:28

5:52

9:47

20:59

6:28

6:37

23:59

2:05

2:14

2:14

7:50

3:41

2:52

2:39

2:31

2:11

2:46

3:18

1:59

2:37

7:35

11:42

3:37

10:00

29:12

28:54

10:42