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

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

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