frequal.com Math Worksheet: Level 0
50
+
45
67
-
51
81
+
37
41
-
4
70
+
69
95
-
35
46
+
40
85
-
28
71
+
19
50
-
32
89
+
0
13
-
12
25
+
18
54
-
29
88
+
59
81
-
79
20
+
3
60
-
9