Subtraction 1s (H)
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Shahrazad8Subtraction 1s (H)
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Shahrazad8Subtraction Drills (1s) Name:
Solve each problem.
8-1= 7 9-1= 8 9-1= 8 2-1= 1
4-1= 3 5-1= 4 5-1= 4 8-1= 7
9-1= 8 10 - 1 = 9 3-1= 2 7-1= 6
3-1= 2 4-1= 3 2-1= 1 10 - 1 = 9
6-1= 5 3-1= 2 7-1= 6 6-1= 5
7-1= 6 11 - 1 = 10 10 - 1 = 9 3-1= 2
5-1= 4 7-1= 6 4-1= 3 10 - 1 = 9
2-1= 1 10 - 1 = 9 6-1= 5 5-1= 4
10 - 1 = 9 6-1= 5 8-1= 7 11 - 1 = 10
11 - 1 = 10 4-1= 3 11 - 1 = 10 6-1= 5
5-1= 4 2-1= 1 10 - 1 = 9 8-1= 7
9-1= 8 8-1= 7 2-1= 1 9-1= 8
2-1= 1 3-1= 2 3-1= 2 2-1= 1
6-1= 5 9-1= 8 8-1= 7 4-1= 3
7-1= 6 5-1= 4 7-1= 6 7-1= 6
8-1= 7 10 - 1 = 9 9-1= 8 9-1= 8
3-1= 2 11 - 1 = 10 11 - 1 = 10 2-1= 1
11 - 1 = 10 6-1= 5 5-1= 4 7-1= 6
4-1= 3 8-1= 7 4-1= 3 5-1= 4
10 - 1 = 9 3-1= 2 6-1= 5 3-1= 2
7-1= 6 7-1= 6 9-1= 8 10 - 1 = 9
8-1= 7 4-1= 3 5-1= 4 6-1= 5
11 - 1 = 10 5-1= 4 3-1= 2 11 - 1 = 10
6-1= 5 2-1= 1 11 - 1 = 10 8-1= 7
2-1= 1 9-1= 8 4-1= 3 4-1= 3
Math www.CommonCoreSheets.com 1
Subtraction Drills (1s) Name: Answer Key
Solve each problem.
8-1= 7 9-1= 8 9-1= 8 2-1= 1
4-1= 3 5-1= 4 5-1= 4 8-1= 7
9-1= 8 10 - 1 = 9 3-1= 2 7-1= 6
3-1= 2 4-1= 3 2-1= 1 10 - 1 = 9
6-1= 5 3-1= 2 7-1= 6 6-1= 5
7-1= 6 11 - 1 = 10 10 - 1 = 9 3-1= 2
5-1= 4 7-1= 6 4-1= 3 10 - 1 = 9
2-1= 1 10 - 1 = 9 6-1= 5 5-1= 4
10 - 1 = 9 6-1= 5 8-1= 7 11 - 1 = 10
11 - 1 = 10 4-1= 3 11 - 1 = 10 6-1= 5
5-1= 4 2-1= 1 10 - 1 = 9 8-1= 7
9-1= 8 8-1= 7 2-1= 1 9-1= 8
2-1= 1 3-1= 2 3-1= 2 2-1= 1
6-1= 5 9-1= 8 8-1= 7 4-1= 3
7-1= 6 5-1= 4 7-1= 6 7-1= 6
8-1= 7 10 - 1 = 9 9-1= 8 9-1= 8
3-1= 2 11 - 1 = 10 11 - 1 = 10 2-1= 1
11 - 1 = 10 6-1= 5 5-1= 4 7-1= 6
4-1= 3 8-1= 7 4-1= 3 5-1= 4
10 - 1 = 9 3-1= 2 6-1= 5 3-1= 2
7-1= 6 7-1= 6 9-1= 8 10 - 1 = 9
8-1= 7 4-1= 3 5-1= 4 6-1= 5
11 - 1 = 10 5-1= 4 3-1= 2 11 - 1 = 10
6-1= 5 2-1= 1 11 - 1 = 10 8-1= 7
2-1= 1 9-1= 8 4-1= 3 4-1= 3
Math www.CommonCoreSheets.com 1
Subtraction Drills (1s) Name:
Solve each problem.
5-1= 4 8-1= 7 3-1= 2 6-1= 5
2-1= 1 4-1= 3 7-1= 6 11 - 1 = 10
3-1= 2 3-1= 2 5-1= 4 8-1= 7
8-1= 7 10 - 1 = 9 8-1= 7 7-1= 6
11 - 1 = 10 6-1= 5 11 - 1 = 10 2-1= 1
7-1= 6 6-1= 5 9-1= 8 8-1= 7
4-1= 3 10 - 1 = 9 2-1= 1 6-1= 5
9-1= 8 3-1= 2 6-1= 5 5-1= 4
10 - 1 = 9 2-1= 1 10 - 1 = 9 3-1= 2
6-1= 5 8-1= 7 4-1= 3 9-1= 8
7-1= 6 7-1= 6 11 - 1 = 10 7-1= 6
9-1= 8 9-1= 8 7-1= 6 11 - 1 = 10
5-1= 4 5-1= 4 5-1= 4 10 - 1 = 9
8-1= 7 11 - 1 = 10 2-1= 1 2-1= 1
3-1= 2 4-1= 3 3-1= 2 4-1= 3
10 - 1 = 9 2-1= 1 10 - 1 = 9 3-1= 2
2-1= 1 4-1= 3 4-1= 3 2-1= 1
4-1= 3 8-1= 7 6-1= 5 4-1= 3
6-1= 5 7-1= 6 9-1= 8 10 - 1 = 9
11 - 1 = 10 3-1= 2 8-1= 7 6-1= 5
11 - 1 = 10 6-1= 5 4-1= 3 11 - 1 = 10
9-1= 8 10 - 1 = 9 3-1= 2 9-1= 8
7-1= 6 5-1= 4 5-1= 4 8-1= 7
5-1= 4 9-1= 8 9-1= 8 5-1= 4
2-1= 1 11 - 1 = 10 10 - 1 = 9 7-1= 6
Math www.CommonCoreSheets.com 2
Subtraction Drills (1s) Name: Answer Key
Solve each problem.
5-1= 4 8-1= 7 3-1= 2 6-1= 5
2-1= 1 4-1= 3 7-1= 6 11 - 1 = 10
3-1= 2 3-1= 2 5-1= 4 8-1= 7
8-1= 7 10 - 1 = 9 8-1= 7 7-1= 6
11 - 1 = 10 6-1= 5 11 - 1 = 10 2-1= 1
7-1= 6 6-1= 5 9-1= 8 8-1= 7
4-1= 3 10 - 1 = 9 2-1= 1 6-1= 5
9-1= 8 3-1= 2 6-1= 5 5-1= 4
10 - 1 = 9 2-1= 1 10 - 1 = 9 3-1= 2
6-1= 5 8-1= 7 4-1= 3 9-1= 8
7-1= 6 7-1= 6 11 - 1 = 10 7-1= 6
9-1= 8 9-1= 8 7-1= 6 11 - 1 = 10
5-1= 4 5-1= 4 5-1= 4 10 - 1 = 9
8-1= 7 11 - 1 = 10 2-1= 1 2-1= 1
3-1= 2 4-1= 3 3-1= 2 4-1= 3
10 - 1 = 9 2-1= 1 10 - 1 = 9 3-1= 2
2-1= 1 4-1= 3 4-1= 3 2-1= 1
4-1= 3 8-1= 7 6-1= 5 4-1= 3
6-1= 5 7-1= 6 9-1= 8 10 - 1 = 9
11 - 1 = 10 3-1= 2 8-1= 7 6-1= 5
11 - 1 = 10 6-1= 5 4-1= 3 11 - 1 = 10
9-1= 8 10 - 1 = 9 3-1= 2 9-1= 8
7-1= 6 5-1= 4 5-1= 4 8-1= 7
5-1= 4 9-1= 8 9-1= 8 5-1= 4
2-1= 1 11 - 1 = 10 10 - 1 = 9 7-1= 6
Math www.CommonCoreSheets.com 2
Subtraction Drills (1s) Name:
Solve each problem.
2-1= 1 3-1= 2 8-1= 7 8-1= 7
11 - 1 = 10 9-1= 8 3-1= 2 4-1= 3
10 - 1 = 9 7-1= 6 10 - 1 = 9 9-1= 8
4-1= 3 4-1= 3 11 - 1 = 10 10 - 1 = 9
5-1= 4 5-1= 4 2-1= 1 3-1= 2
3-1= 2 11 - 1 = 10 5-1= 4 10 - 1 = 9
7-1= 6 5-1= 4 7-1= 6 2-1= 1
9-1= 8 4-1= 3 6-1= 5 5-1= 4
6-1= 5 7-1= 6 4-1= 3 11 - 1 = 10
8-1= 7 6-1= 5 9-1= 8 3-1= 2
3-1= 2 10 - 1 = 9 7-1= 6 9-1= 8
9-1= 8 3-1= 2 8-1= 7 4-1= 3
2-1= 1 9-1= 8 11 - 1 = 10 6-1= 5
10 - 1 = 9 2-1= 1 3-1= 2 7-1= 6
7-1= 6 8-1= 7 4-1= 3 8-1= 7
5-1= 4 9-1= 8 2-1= 1 9-1= 8
8-1= 7 5-1= 4 10 - 1 = 9 5-1= 4
11 - 1 = 10 8-1= 7 6-1= 5 4-1= 3
4-1= 3 7-1= 6 5-1= 4 10 - 1 = 9
6-1= 5 3-1= 2 9-1= 8 8-1= 7
2-1= 1 6-1= 5 2-1= 1 2-1= 1
11 - 1 = 10 10 - 1 = 9 11 - 1 = 10 7-1= 6
10 - 1 = 9 4-1= 3 6-1= 5 11 - 1 = 10
8-1= 7 2-1= 1 5-1= 4 6-1= 5
6-1= 5 11 - 1 = 10 7-1= 6 3-1= 2
Math www.CommonCoreSheets.com 3
Subtraction Drills (1s) Name: Answer Key
Solve each problem.
2-1= 1 3-1= 2 8-1= 7 8-1= 7
11 - 1 = 10 9-1= 8 3-1= 2 4-1= 3
10 - 1 = 9 7-1= 6 10 - 1 = 9 9-1= 8
4-1= 3 4-1= 3 11 - 1 = 10 10 - 1 = 9
5-1= 4 5-1= 4 2-1= 1 3-1= 2
3-1= 2 11 - 1 = 10 5-1= 4 10 - 1 = 9
7-1= 6 5-1= 4 7-1= 6 2-1= 1
9-1= 8 4-1= 3 6-1= 5 5-1= 4
6-1= 5 7-1= 6 4-1= 3 11 - 1 = 10
8-1= 7 6-1= 5 9-1= 8 3-1= 2
3-1= 2 10 - 1 = 9 7-1= 6 9-1= 8
9-1= 8 3-1= 2 8-1= 7 4-1= 3
2-1= 1 9-1= 8 11 - 1 = 10 6-1= 5
10 - 1 = 9 2-1= 1 3-1= 2 7-1= 6
7-1= 6 8-1= 7 4-1= 3 8-1= 7
5-1= 4 9-1= 8 2-1= 1 9-1= 8
8-1= 7 5-1= 4 10 - 1 = 9 5-1= 4
11 - 1 = 10 8-1= 7 6-1= 5 4-1= 3
4-1= 3 7-1= 6 5-1= 4 10 - 1 = 9
6-1= 5 3-1= 2 9-1= 8 8-1= 7
2-1= 1 6-1= 5 2-1= 1 2-1= 1
11 - 1 = 10 10 - 1 = 9 11 - 1 = 10 7-1= 6
10 - 1 = 9 4-1= 3 6-1= 5 11 - 1 = 10
8-1= 7 2-1= 1 5-1= 4 6-1= 5
6-1= 5 11 - 1 = 10 7-1= 6 3-1= 2
Math www.CommonCoreSheets.com 3
Subtraction Drills (1s) Name:
Solve each problem.
8-1= 7 3-1= 2 6-1= 5 10 - 1 = 9
2-1= 1 4-1= 3 2-1= 1 2-1= 1
6-1= 5 2-1= 1 3-1= 2 8-1= 7
4-1= 3 10 - 1 = 9 9-1= 8 11 - 1 = 10
10 - 1 = 9 9-1= 8 4-1= 3 3-1= 2
9-1= 8 9-1= 8 10 - 1 = 9 7-1= 6
3-1= 2 7-1= 6 11 - 1 = 10 6-1= 5
7-1= 6 10 - 1 = 9 7-1= 6 2-1= 1
5-1= 4 3-1= 2 8-1= 7 4-1= 3
11 - 1 = 10 2-1= 1 5-1= 4 9-1= 8
3-1= 2 5-1= 4 7-1= 6 3-1= 2
6-1= 5 8-1= 7 6-1= 5 5-1= 4
2-1= 1 6-1= 5 4-1= 3 11 - 1 = 10
7-1= 6 11 - 1 = 10 2-1= 1 10 - 1 = 9
11 - 1 = 10 4-1= 3 9-1= 8 8-1= 7
4-1= 3 8-1= 7 10 - 1 = 9 6-1= 5
9-1= 8 11 - 1 = 10 8-1= 7 10 - 1 = 9
8-1= 7 3-1= 2 11 - 1 = 10 8-1= 7
10 - 1 = 9 10 - 1 = 9 3-1= 2 3-1= 2
5-1= 4 6-1= 5 5-1= 4 9-1= 8
8-1= 7 9-1= 8 6-1= 5 7-1= 6
5-1= 4 2-1= 1 7-1= 6 5-1= 4
11 - 1 = 10 5-1= 4 9-1= 8 4-1= 3
6-1= 5 7-1= 6 5-1= 4 11 - 1 = 10
7-1= 6 4-1= 3 4-1= 3 2-1= 1
Math www.CommonCoreSheets.com 4
Subtraction Drills (1s) Name: Answer Key
Solve each problem.
8-1= 7 3-1= 2 6-1= 5 10 - 1 = 9
2-1= 1 4-1= 3 2-1= 1 2-1= 1
6-1= 5 2-1= 1 3-1= 2 8-1= 7
4-1= 3 10 - 1 = 9 9-1= 8 11 - 1 = 10
10 - 1 = 9 9-1= 8 4-1= 3 3-1= 2
9-1= 8 9-1= 8 10 - 1 = 9 7-1= 6
3-1= 2 7-1= 6 11 - 1 = 10 6-1= 5
7-1= 6 10 - 1 = 9 7-1= 6 2-1= 1
5-1= 4 3-1= 2 8-1= 7 4-1= 3
11 - 1 = 10 2-1= 1 5-1= 4 9-1= 8
3-1= 2 5-1= 4 7-1= 6 3-1= 2
6-1= 5 8-1= 7 6-1= 5 5-1= 4
2-1= 1 6-1= 5 4-1= 3 11 - 1 = 10
7-1= 6 11 - 1 = 10 2-1= 1 10 - 1 = 9
11 - 1 = 10 4-1= 3 9-1= 8 8-1= 7
4-1= 3 8-1= 7 10 - 1 = 9 6-1= 5
9-1= 8 11 - 1 = 10 8-1= 7 10 - 1 = 9
8-1= 7 3-1= 2 11 - 1 = 10 8-1= 7
10 - 1 = 9 10 - 1 = 9 3-1= 2 3-1= 2
5-1= 4 6-1= 5 5-1= 4 9-1= 8
8-1= 7 9-1= 8 6-1= 5 7-1= 6
5-1= 4 2-1= 1 7-1= 6 5-1= 4
11 - 1 = 10 5-1= 4 9-1= 8 4-1= 3
6-1= 5 7-1= 6 5-1= 4 11 - 1 = 10
7-1= 6 4-1= 3 4-1= 3 2-1= 1
Math www.CommonCoreSheets.com 4
Subtraction Drills (1s) Name:
Solve each problem.
5-1= 4 4-1= 3 9-1= 8 7-1= 6
6-1= 5 10 - 1 = 9 3-1= 2 6-1= 5
7-1= 6 2-1= 1 8-1= 7 10 - 1 = 9
3-1= 2 7-1= 6 2-1= 1 4-1= 3
2-1= 1 11 - 1 = 10 10 - 1 = 9 3-1= 2
9-1= 8 9-1= 8 4-1= 3 9-1= 8
10 - 1 = 9 4-1= 3 7-1= 6 11 - 1 = 10
11 - 1 = 10 2-1= 1 6-1= 5 2-1= 1
8-1= 7 7-1= 6 5-1= 4 4-1= 3
4-1= 3 6-1= 5 11 - 1 = 10 7-1= 6
9-1= 8 5-1= 4 9-1= 8 8-1= 7
5-1= 4 10 - 1 = 9 5-1= 4 6-1= 5
8-1= 7 8-1= 7 10 - 1 = 9 5-1= 4
10 - 1 = 9 3-1= 2 8-1= 7 3-1= 2
2-1= 1 11 - 1 = 10 6-1= 5 10 - 1 = 9
4-1= 3 8-1= 7 7-1= 6 10 - 1 = 9
7-1= 6 9-1= 8 4-1= 3 4-1= 3
6-1= 5 7-1= 6 11 - 1 = 10 2-1= 1
3-1= 2 5-1= 4 2-1= 1 11 - 1 = 10
11 - 1 = 10 6-1= 5 3-1= 2 6-1= 5
3-1= 2 3-1= 2 8-1= 7 7-1= 6
9-1= 8 2-1= 1 11 - 1 = 10 5-1= 4
8-1= 7 11 - 1 = 10 9-1= 8 9-1= 8
6-1= 5 4-1= 3 5-1= 4 3-1= 2
5-1= 4 10 - 1 = 9 2-1= 1 8-1= 7
Math www.CommonCoreSheets.com 5
Subtraction Drills (1s) Name: Answer Key
Solve each problem.
5-1= 4 4-1= 3 9-1= 8 7-1= 6
6-1= 5 10 - 1 = 9 3-1= 2 6-1= 5
7-1= 6 2-1= 1 8-1= 7 10 - 1 = 9
3-1= 2 7-1= 6 2-1= 1 4-1= 3
2-1= 1 11 - 1 = 10 10 - 1 = 9 3-1= 2
9-1= 8 9-1= 8 4-1= 3 9-1= 8
10 - 1 = 9 4-1= 3 7-1= 6 11 - 1 = 10
11 - 1 = 10 2-1= 1 6-1= 5 2-1= 1
8-1= 7 7-1= 6 5-1= 4 4-1= 3
4-1= 3 6-1= 5 11 - 1 = 10 7-1= 6
9-1= 8 5-1= 4 9-1= 8 8-1= 7
5-1= 4 10 - 1 = 9 5-1= 4 6-1= 5
8-1= 7 8-1= 7 10 - 1 = 9 5-1= 4
10 - 1 = 9 3-1= 2 8-1= 7 3-1= 2
2-1= 1 11 - 1 = 10 6-1= 5 10 - 1 = 9
4-1= 3 8-1= 7 7-1= 6 10 - 1 = 9
7-1= 6 9-1= 8 4-1= 3 4-1= 3
6-1= 5 7-1= 6 11 - 1 = 10 2-1= 1
3-1= 2 5-1= 4 2-1= 1 11 - 1 = 10
11 - 1 = 10 6-1= 5 3-1= 2 6-1= 5
3-1= 2 3-1= 2 8-1= 7 7-1= 6
9-1= 8 2-1= 1 11 - 1 = 10 5-1= 4
8-1= 7 11 - 1 = 10 9-1= 8 9-1= 8
6-1= 5 4-1= 3 5-1= 4 3-1= 2
5-1= 4 10 - 1 = 9 2-1= 1 8-1= 7
Math www.CommonCoreSheets.com 5
Subtraction Drills (1s) Name:
Solve each problem.
10 - 1 = 9 2-1= 1 3-1= 2 4-1= 3
6-1= 5 4-1= 3 9-1= 8 11 - 1 = 10
11 - 1 = 10 11 - 1 = 10 10 - 1 = 9 6-1= 5
7-1= 6 6-1= 5 2-1= 1 5-1= 4
2-1= 1 10 - 1 = 9 11 - 1 = 10 9-1= 8
9-1= 8 8-1= 7 7-1= 6 4-1= 3
3-1= 2 5-1= 4 5-1= 4 8-1= 7
5-1= 4 2-1= 1 8-1= 7 10 - 1 = 9
4-1= 3 7-1= 6 4-1= 3 7-1= 6
8-1= 7 9-1= 8 6-1= 5 11 - 1 = 10
5-1= 4 6-1= 5 2-1= 1 3-1= 2
2-1= 1 3-1= 2 9-1= 8 6-1= 5
6-1= 5 10 - 1 = 9 11 - 1 = 10 9-1= 8
10 - 1 = 9 4-1= 3 7-1= 6 5-1= 4
7-1= 6 11 - 1 = 10 4-1= 3 2-1= 1
3-1= 2 7-1= 6 3-1= 2 9-1= 8
9-1= 8 11 - 1 = 10 6-1= 5 5-1= 4
8-1= 7 3-1= 2 5-1= 4 3-1= 2
4-1= 3 2-1= 1 8-1= 7 6-1= 5
11 - 1 = 10 9-1= 8 10 - 1 = 9 7-1= 6
5-1= 4 6-1= 5 8-1= 7 4-1= 3
3-1= 2 5-1= 4 10 - 1 = 9 8-1= 7
8-1= 7 4-1= 3 3-1= 2 2-1= 1
9-1= 8 8-1= 7 7-1= 6 11 - 1 = 10
7-1= 6 10 - 1 = 9 2-1= 1 10 - 1 = 9
Math www.CommonCoreSheets.com 6
Subtraction Drills (1s) Name: Answer Key
Solve each problem.
10 - 1 = 9 2-1= 1 3-1= 2 4-1= 3
6-1= 5 4-1= 3 9-1= 8 11 - 1 = 10
11 - 1 = 10 11 - 1 = 10 10 - 1 = 9 6-1= 5
7-1= 6 6-1= 5 2-1= 1 5-1= 4
2-1= 1 10 - 1 = 9 11 - 1 = 10 9-1= 8
9-1= 8 8-1= 7 7-1= 6 4-1= 3
3-1= 2 5-1= 4 5-1= 4 8-1= 7
5-1= 4 2-1= 1 8-1= 7 10 - 1 = 9
4-1= 3 7-1= 6 4-1= 3 7-1= 6
8-1= 7 9-1= 8 6-1= 5 11 - 1 = 10
5-1= 4 6-1= 5 2-1= 1 3-1= 2
2-1= 1 3-1= 2 9-1= 8 6-1= 5
6-1= 5 10 - 1 = 9 11 - 1 = 10 9-1= 8
10 - 1 = 9 4-1= 3 7-1= 6 5-1= 4
7-1= 6 11 - 1 = 10 4-1= 3 2-1= 1
3-1= 2 7-1= 6 3-1= 2 9-1= 8
9-1= 8 11 - 1 = 10 6-1= 5 5-1= 4
8-1= 7 3-1= 2 5-1= 4 3-1= 2
4-1= 3 2-1= 1 8-1= 7 6-1= 5
11 - 1 = 10 9-1= 8 10 - 1 = 9 7-1= 6
5-1= 4 6-1= 5 8-1= 7 4-1= 3
3-1= 2 5-1= 4 10 - 1 = 9 8-1= 7
8-1= 7 4-1= 3 3-1= 2 2-1= 1
9-1= 8 8-1= 7 7-1= 6 11 - 1 = 10
7-1= 6 10 - 1 = 9 2-1= 1 10 - 1 = 9
Math www.CommonCoreSheets.com 6
Subtraction Drills (1s) Name:
Solve each problem.
9-1= 8 11 - 1 = 10 10 - 1 = 9 11 - 1 = 10
2-1= 1 2-1= 1 4-1= 3 7-1= 6
10 - 1 = 9 10 - 1 = 9 3-1= 2 8-1= 7
5-1= 4 4-1= 3 8-1= 7 6-1= 5
4-1= 3 8-1= 7 7-1= 6 2-1= 1
6-1= 5 5-1= 4 9-1= 8 5-1= 4
11 - 1 = 10 11 - 1 = 10 6-1= 5 7-1= 6
8-1= 7 7-1= 6 11 - 1 = 10 4-1= 3
7-1= 6 9-1= 8 5-1= 4 9-1= 8
3-1= 2 6-1= 5 2-1= 1 10 - 1 = 9
2-1= 1 8-1= 7 9-1= 8 8-1= 7
10 - 1 = 9 3-1= 2 4-1= 3 3-1= 2
9-1= 8 10 - 1 = 9 5-1= 4 6-1= 5
6-1= 5 2-1= 1 6-1= 5 2-1= 1
7-1= 6 4-1= 3 3-1= 2 11 - 1 = 10
4-1= 3 10 - 1 = 9 8-1= 7 2-1= 1
5-1= 4 8-1= 7 2-1= 1 9-1= 8
11 - 1 = 10 2-1= 1 7-1= 6 8-1= 7
8-1= 7 4-1= 3 11 - 1 = 10 3-1= 2
3-1= 2 6-1= 5 10 - 1 = 9 11 - 1 = 10
9-1= 8 5-1= 4 4-1= 3 4-1= 3
7-1= 6 9-1= 8 10 - 1 = 9 10 - 1 = 9
3-1= 2 11 - 1 = 10 5-1= 4 6-1= 5
5-1= 4 3-1= 2 3-1= 2 5-1= 4
6-1= 5 7-1= 6 9-1= 8 7-1= 6
Math www.CommonCoreSheets.com 7
Subtraction Drills (1s) Name: Answer Key
Solve each problem.
9-1= 8 11 - 1 = 10 10 - 1 = 9 11 - 1 = 10
2-1= 1 2-1= 1 4-1= 3 7-1= 6
10 - 1 = 9 10 - 1 = 9 3-1= 2 8-1= 7
5-1= 4 4-1= 3 8-1= 7 6-1= 5
4-1= 3 8-1= 7 7-1= 6 2-1= 1
6-1= 5 5-1= 4 9-1= 8 5-1= 4
11 - 1 = 10 11 - 1 = 10 6-1= 5 7-1= 6
8-1= 7 7-1= 6 11 - 1 = 10 4-1= 3
7-1= 6 9-1= 8 5-1= 4 9-1= 8
3-1= 2 6-1= 5 2-1= 1 10 - 1 = 9
2-1= 1 8-1= 7 9-1= 8 8-1= 7
10 - 1 = 9 3-1= 2 4-1= 3 3-1= 2
9-1= 8 10 - 1 = 9 5-1= 4 6-1= 5
6-1= 5 2-1= 1 6-1= 5 2-1= 1
7-1= 6 4-1= 3 3-1= 2 11 - 1 = 10
4-1= 3 10 - 1 = 9 8-1= 7 2-1= 1
5-1= 4 8-1= 7 2-1= 1 9-1= 8
11 - 1 = 10 2-1= 1 7-1= 6 8-1= 7
8-1= 7 4-1= 3 11 - 1 = 10 3-1= 2
3-1= 2 6-1= 5 10 - 1 = 9 11 - 1 = 10
9-1= 8 5-1= 4 4-1= 3 4-1= 3
7-1= 6 9-1= 8 10 - 1 = 9 10 - 1 = 9
3-1= 2 11 - 1 = 10 5-1= 4 6-1= 5
5-1= 4 3-1= 2 3-1= 2 5-1= 4
6-1= 5 7-1= 6 9-1= 8 7-1= 6
Math www.CommonCoreSheets.com 7
Subtraction Drills (1s) Name:
Solve each problem.
11 - 1 = 10 10 - 1 = 9 11 - 1 = 10 11 - 1 = 10
2-1= 1 11 - 1 = 10 3-1= 2 2-1= 1
7-1= 6 3-1= 2 2-1= 1 9-1= 8
9-1= 8 7-1= 6 6-1= 5 5-1= 4
3-1= 2 5-1= 4 7-1= 6 3-1= 2
5-1= 4 6-1= 5 4-1= 3 7-1= 6
10 - 1 = 9 4-1= 3 10 - 1 = 9 3-1= 2
6-1= 5 3-1= 2 5-1= 4 8-1= 7
4-1= 3 9-1= 8 9-1= 8 4-1= 3
8-1= 7 11 - 1 = 10 8-1= 7 11 - 1 = 10
11 - 1 = 10 2-1= 1 4-1= 3 5-1= 4
9-1= 8 5-1= 4 6-1= 5 6-1= 5
7-1= 6 8-1= 7 7-1= 6 9-1= 8
10 - 1 = 9 10 - 1 = 9 8-1= 7 2-1= 1
8-1= 7 7-1= 6 5-1= 4 10 - 1 = 9
5-1= 4 9-1= 8 2-1= 1 5-1= 4
6-1= 5 11 - 1 = 10 11 - 1 = 10 4-1= 3
3-1= 2 7-1= 6 10 - 1 = 9 9-1= 8
2-1= 1 6-1= 5 9-1= 8 6-1= 5
4-1= 3 10 - 1 = 9 3-1= 2 11 - 1 = 10
9-1= 8 5-1= 4 7-1= 6 3-1= 2
2-1= 1 2-1= 1 8-1= 7 2-1= 1
6-1= 5 3-1= 2 6-1= 5 10 - 1 = 9
4-1= 3 4-1= 3 4-1= 3 8-1= 7
8-1= 7 8-1= 7 10 - 1 = 9 7-1= 6
Math www.CommonCoreSheets.com 8
Subtraction Drills (1s) Name: Answer Key
Solve each problem.
11 - 1 = 10 10 - 1 = 9 11 - 1 = 10 11 - 1 = 10
2-1= 1 11 - 1 = 10 3-1= 2 2-1= 1
7-1= 6 3-1= 2 2-1= 1 9-1= 8
9-1= 8 7-1= 6 6-1= 5 5-1= 4
3-1= 2 5-1= 4 7-1= 6 3-1= 2
5-1= 4 6-1= 5 4-1= 3 7-1= 6
10 - 1 = 9 4-1= 3 10 - 1 = 9 3-1= 2
6-1= 5 3-1= 2 5-1= 4 8-1= 7
4-1= 3 9-1= 8 9-1= 8 4-1= 3
8-1= 7 11 - 1 = 10 8-1= 7 11 - 1 = 10
11 - 1 = 10 2-1= 1 4-1= 3 5-1= 4
9-1= 8 5-1= 4 6-1= 5 6-1= 5
7-1= 6 8-1= 7 7-1= 6 9-1= 8
10 - 1 = 9 10 - 1 = 9 8-1= 7 2-1= 1
8-1= 7 7-1= 6 5-1= 4 10 - 1 = 9
5-1= 4 9-1= 8 2-1= 1 5-1= 4
6-1= 5 11 - 1 = 10 11 - 1 = 10 4-1= 3
3-1= 2 7-1= 6 10 - 1 = 9 9-1= 8
2-1= 1 6-1= 5 9-1= 8 6-1= 5
4-1= 3 10 - 1 = 9 3-1= 2 11 - 1 = 10
9-1= 8 5-1= 4 7-1= 6 3-1= 2
2-1= 1 2-1= 1 8-1= 7 2-1= 1
6-1= 5 3-1= 2 6-1= 5 10 - 1 = 9
4-1= 3 4-1= 3 4-1= 3 8-1= 7
8-1= 7 8-1= 7 10 - 1 = 9 7-1= 6
Math www.CommonCoreSheets.com 8
Subtraction Drills (1s) Name:
Solve each problem.
3-1= 2 10 - 1 = 9 3-1= 2 4-1= 3
7-1= 6 6-1= 5 4-1= 3 9-1= 8
8-1= 7 11 - 1 = 10 6-1= 5 8-1= 7
10 - 1 = 9 2-1= 1 11 - 1 = 10 6-1= 5
4-1= 3 9-1= 8 7-1= 6 2-1= 1
11 - 1 = 10 3-1= 2 8-1= 7 11 - 1 = 10
2-1= 1 11 - 1 = 10 9-1= 8 4-1= 3
9-1= 8 7-1= 6 5-1= 4 10 - 1 = 9
5-1= 4 10 - 1 = 9 2-1= 1 2-1= 1
6-1= 5 9-1= 8 10 - 1 = 9 5-1= 4
7-1= 6 4-1= 3 5-1= 4 8-1= 7
2-1= 1 2-1= 1 6-1= 5 6-1= 5
9-1= 8 8-1= 7 10 - 1 = 9 3-1= 2
5-1= 4 5-1= 4 3-1= 2 7-1= 6
8-1= 7 6-1= 5 11 - 1 = 10 9-1= 8
10 - 1 = 9 9-1= 8 7-1= 6 3-1= 2
11 - 1 = 10 10 - 1 = 9 9-1= 8 11 - 1 = 10
3-1= 2 4-1= 3 2-1= 1 9-1= 8
4-1= 3 3-1= 2 4-1= 3 10 - 1 = 9
6-1= 5 8-1= 7 8-1= 7 2-1= 1
3-1= 2 2-1= 1 10 - 1 = 9 8-1= 7
7-1= 6 6-1= 5 5-1= 4 5-1= 4
4-1= 3 5-1= 4 7-1= 6 7-1= 6
8-1= 7 11 - 1 = 10 11 - 1 = 10 6-1= 5
5-1= 4 7-1= 6 3-1= 2 4-1= 3
Math www.CommonCoreSheets.com 9
Subtraction Drills (1s) Name: Answer Key
Solve each problem.
3-1= 2 10 - 1 = 9 3-1= 2 4-1= 3
7-1= 6 6-1= 5 4-1= 3 9-1= 8
8-1= 7 11 - 1 = 10 6-1= 5 8-1= 7
10 - 1 = 9 2-1= 1 11 - 1 = 10 6-1= 5
4-1= 3 9-1= 8 7-1= 6 2-1= 1
11 - 1 = 10 3-1= 2 8-1= 7 11 - 1 = 10
2-1= 1 11 - 1 = 10 9-1= 8 4-1= 3
9-1= 8 7-1= 6 5-1= 4 10 - 1 = 9
5-1= 4 10 - 1 = 9 2-1= 1 2-1= 1
6-1= 5 9-1= 8 10 - 1 = 9 5-1= 4
7-1= 6 4-1= 3 5-1= 4 8-1= 7
2-1= 1 2-1= 1 6-1= 5 6-1= 5
9-1= 8 8-1= 7 10 - 1 = 9 3-1= 2
5-1= 4 5-1= 4 3-1= 2 7-1= 6
8-1= 7 6-1= 5 11 - 1 = 10 9-1= 8
10 - 1 = 9 9-1= 8 7-1= 6 3-1= 2
11 - 1 = 10 10 - 1 = 9 9-1= 8 11 - 1 = 10
3-1= 2 4-1= 3 2-1= 1 9-1= 8
4-1= 3 3-1= 2 4-1= 3 10 - 1 = 9
6-1= 5 8-1= 7 8-1= 7 2-1= 1
3-1= 2 2-1= 1 10 - 1 = 9 8-1= 7
7-1= 6 6-1= 5 5-1= 4 5-1= 4
4-1= 3 5-1= 4 7-1= 6 7-1= 6
8-1= 7 11 - 1 = 10 11 - 1 = 10 6-1= 5
5-1= 4 7-1= 6 3-1= 2 4-1= 3
Math www.CommonCoreSheets.com 9
Subtraction Drills (1s) Name:
Solve each problem.
7-1= 6 9-1= 8 2-1= 1 10 - 1 = 9
11 - 1 = 10 11 - 1 = 10 6-1= 5 5-1= 4
2-1= 1 4-1= 3 9-1= 8 9-1= 8
6-1= 5 8-1= 7 10 - 1 = 9 3-1= 2
4-1= 3 3-1= 2 11 - 1 = 10 4-1= 3
8-1= 7 9-1= 8 3-1= 2 7-1= 6
9-1= 8 8-1= 7 4-1= 3 3-1= 2
3-1= 2 7-1= 6 5-1= 4 5-1= 4
5-1= 4 2-1= 1 8-1= 7 2-1= 1
10 - 1 = 9 5-1= 4 7-1= 6 6-1= 5
10 - 1 = 9 4-1= 3 4-1= 3 10 - 1 = 9
8-1= 7 11 - 1 = 10 6-1= 5 8-1= 7
9-1= 8 10 - 1 = 9 3-1= 2 11 - 1 = 10
7-1= 6 6-1= 5 5-1= 4 4-1= 3
2-1= 1 3-1= 2 11 - 1 = 10 9-1= 8
11 - 1 = 10 4-1= 3 2-1= 1 8-1= 7
5-1= 4 7-1= 6 8-1= 7 9-1= 8
4-1= 3 3-1= 2 10 - 1 = 9 11 - 1 = 10
3-1= 2 6-1= 5 7-1= 6 7-1= 6
6-1= 5 2-1= 1 9-1= 8 6-1= 5
5-1= 4 11 - 1 = 10 8-1= 7 10 - 1 = 9
10 - 1 = 9 8-1= 7 11 - 1 = 10 3-1= 2
6-1= 5 5-1= 4 2-1= 1 2-1= 1
7-1= 6 9-1= 8 6-1= 5 4-1= 3
2-1= 1 10 - 1 = 9 7-1= 6 5-1= 4
Math www.CommonCoreSheets.com 10
Subtraction Drills (1s) Name: Answer Key
Solve each problem.
7-1= 6 9-1= 8 2-1= 1 10 - 1 = 9
11 - 1 = 10 11 - 1 = 10 6-1= 5 5-1= 4
2-1= 1 4-1= 3 9-1= 8 9-1= 8
6-1= 5 8-1= 7 10 - 1 = 9 3-1= 2
4-1= 3 3-1= 2 11 - 1 = 10 4-1= 3
8-1= 7 9-1= 8 3-1= 2 7-1= 6
9-1= 8 8-1= 7 4-1= 3 3-1= 2
3-1= 2 7-1= 6 5-1= 4 5-1= 4
5-1= 4 2-1= 1 8-1= 7 2-1= 1
10 - 1 = 9 5-1= 4 7-1= 6 6-1= 5
10 - 1 = 9 4-1= 3 4-1= 3 10 - 1 = 9
8-1= 7 11 - 1 = 10 6-1= 5 8-1= 7
9-1= 8 10 - 1 = 9 3-1= 2 11 - 1 = 10
7-1= 6 6-1= 5 5-1= 4 4-1= 3
2-1= 1 3-1= 2 11 - 1 = 10 9-1= 8
11 - 1 = 10 4-1= 3 2-1= 1 8-1= 7
5-1= 4 7-1= 6 8-1= 7 9-1= 8
4-1= 3 3-1= 2 10 - 1 = 9 11 - 1 = 10
3-1= 2 6-1= 5 7-1= 6 7-1= 6
6-1= 5 2-1= 1 9-1= 8 6-1= 5
5-1= 4 11 - 1 = 10 8-1= 7 10 - 1 = 9
10 - 1 = 9 8-1= 7 11 - 1 = 10 3-1= 2
6-1= 5 5-1= 4 2-1= 1 2-1= 1
7-1= 6 9-1= 8 6-1= 5 4-1= 3
2-1= 1 10 - 1 = 9 7-1= 6 5-1= 4
Math www.CommonCoreSheets.com 10
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