Addition Drills (3s) - Math Worksheet With Answer Key Page 12
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20Answer Key
Name:
Addition Drills (3s)
Solve each problem.
4
9
10
2
1
7
3
8
6
5
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
7
12
13
5
4
10
6
11
9
8
3
3
3
3
3
3
3
3
3
3
+
8
+
10
+
2
+
4
+
7
+
5
+
6
+
9
+
1
+
3
11
13
5
7
10
8
9
12
4
6
4
5
9
8
10
3
7
6
1
2
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
7
8
12
11
13
6
10
9
4
5
3
3
3
3
3
3
3
3
3
3
+
6
+
5
+
9
+
10
+
7
+
2
+
4
+
8
+
1
+
3
9
8
12
13
10
5
7
11
4
6
1
2
4
10
7
9
3
6
8
5
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
4
5
7
13
10
12
6
9
11
8
3
3
3
3
3
3
3
3
3
3
+
7
+
9
+
4
+
3
+
8
+
1
+
6
+
5
+
10
+
2
10
12
7
6
11
4
9
8
13
5
6
9
8
1
7
5
10
2
4
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
9
12
11
4
10
8
13
5
7
6
3
3
3
3
3
3
3
3
3
3
+
10
+
5
+
1
+
4
+
6
+
3
+
9
+
2
+
8
+
7
13
8
4
7
9
6
12
5
11
10
4
3
2
1
8
10
6
7
9
5
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
+
3
7
6
5
4
11
13
9
10
12
8
3
3
3
3
3
3
3
3
3
3
+
2
+
7
+
9
+
4
+
6
+
1
+
10
+
5
+
3
+
8
5
10
12
7
9
4
13
8
6
11
Math
6
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education