Addition Drills (1s) - Addition Worksheet With Answers

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Name:
Addition Drills (1s)
Solve each problem.
5
7
10
6
4
8
3
9
2
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
6
8
11
7
5
9
4
10
3
2
1
1
1
1
1
1
1
1
1
1
+
3
+
2
+
7
+
9
+
4
+
1
+
5
+
8
+
6
+
10
4
3
8
10
5
2
6
9
7
11
10
2
4
3
1
7
6
5
8
9
+
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
11
3
5
4
2
8
7
6
9
10
1
1
1
1
1
1
1
1
1
1
+
10
+
2
+
7
+
6
+
1
+
3
+
5
+
4
+
8
+
9
11
3
8
7
2
4
6
5
9
10
1
2
8
4
10
5
7
6
9
3
+
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
2
3
9
5
11
6
8
7
10
4
1
1
1
1
1
1
1
1
1
1
+
4
+
1
+
5
+
8
+
6
+
10
+
2
+
3
+
7
+
9
5
2
6
9
7
11
3
4
8
10
6
8
2
10
3
4
9
1
5
7
+
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
7
9
3
11
4
5
10
2
6
8
1
1
1
1
1
1
1
1
1
1
+
5
+
8
+
3
+
6
+
1
+
7
+
9
+
4
+
10
+
2
6
9
4
7
2
8
10
5
11
3
2
8
9
6
5
7
10
1
4
3
+
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
+
1
3
9
10
7
6
8
11
2
5
4
1
1
1
1
1
1
1
1
1
1
+
1
+
10
+
4
+
6
+
9
+
5
+
2
+
8
+
7
+
3
2
11
5
7
10
6
3
9
8
4
Math
9

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