Addition Drills (4s) - Math Workshweet With Answer Key
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20Name:
Addition Drills (4s)
Solve each problem.
7
2
1
4
6
5
10
9
8
3
+
4
+
4
+
4
+
4
+
4
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4
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4
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4
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4
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4
11
6
5
8
10
9
14
13
12
7
4
4
4
4
4
4
4
4
4
4
+
4
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3
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8
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9
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10
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6
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5
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1
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7
+
2
8
7
12
13
14
10
9
5
11
6
4
10
1
2
5
9
3
8
6
7
+
4
+
4
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4
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4
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4
+
4
+
4
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4
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4
+
4
8
14
5
6
9
13
7
12
10
11
4
4
4
4
4
4
4
4
4
4
+
8
+
5
+
10
+
1
+
4
+
2
+
9
+
6
+
3
+
7
12
9
14
5
8
6
13
10
7
11
3
1
9
5
7
10
8
2
6
4
+
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4
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+
4
7
5
13
9
11
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12
6
10
8
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4
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4
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4
+
1
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8
+
4
+
9
+
6
+
10
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7
+
5
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3
+
2
5
12
8
13
10
14
11
9
7
6
3
8
9
5
7
1
6
10
2
4
+
4
+
4
+
4
+
4
+
4
+
4
+
4
+
4
+
4
+
4
7
12
13
9
11
5
10
14
6
8
4
4
4
4
4
4
4
4
4
4
+
8
+
10
+
2
+
4
+
5
+
1
+
3
+
6
+
9
+
7
12
14
6
8
9
5
7
10
13
11
3
6
9
5
4
2
8
10
7
1
+
4
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4
+
4
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4
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4
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4
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4
+
4
+
4
7
10
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9
8
6
12
14
11
5
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4
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1
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10
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2
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6
5
14
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9
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