addition quiz for grade 2

1:10

8:16

16:06

13:54

4:01

14:02

13:33

8:54

8:51

7:47

9:59

13:51

3:38

23:55

12:02

5:41

7:25

12:47

14:25

13:18

11:43

2:33

11:40

9:44

15:17

10:26

13:44

5:34

00:59

9:30

3:39

4:07

4:03

3:17

10:08

4:23

57:37

8:48

5:28

8:55

6:36

17:12

9:48

7:12

10:29

3:04

8:49

6:33

2:40

2:47

13:54

13:52

13:51

13:51

8:54

5:27

8:54

8:54

5:28

5:09