frequal.com Math Worksheet: Level 0
25
+
15
27
-
19
66
+
53
57
-
30
72
+
14
79
-
36
89
+
49
79
-
64
19
+
10
49
-
40
82
+
6
73
-
5
29
+
10
94
-
22
39
+
20
85
-
66
41
+
27
0
-
0