Addition Drills (1s) - Math Worksheet With Answer Key

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

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