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## Long Subtraction - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

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### Complexity=20

Subtract. Press TAB or ENTER to move to the next problem.

1.
 14- 7
2.
 31- 14

### Complexity=60

Subtract. Press TAB or ENTER to move to the next problem.

1.
 76- 32
2.
 54- 21

### Complexity=200

Subtract. Press TAB or ENTER to move to the next problem.

1.
 332- 171
2.
 213- 128

### Complexity=700

Subtract. Press TAB or ENTER to move to the next problem.

1.
 1116- 648
2.
 1307- 623

### Complexity=1000

Subtract. Press TAB or ENTER to move to the next problem.

1.
 1322- 334
2.
 1405- 638

### Complexity=5000

Subtract. Press TAB or ENTER to move to the next problem.

1.
 8497- 4993
2.
 9068- 4433

### Complexity=10000

Subtract. Press TAB or ENTER to move to the next problem.

1.
 14068- 5780
2.
 15822- 7137

### Complexity=20000

Subtract. Press TAB or ENTER to move to the next problem.

1.
 39040- 19941
2.
 33764- 18305

### Complexity=100000

Subtract. Press TAB or ENTER to move to the next problem.

1.
 121636- 31580
2.
 120972- 60074

### Complexity=20

Subtract. Press TAB or ENTER to move to the next problem.

1
 14- 7
2
 31- 14
Solution
 - 2 11 3\ 1\ 1 4 1 7

### Complexity=60

Subtract. Press TAB or ENTER to move to the next problem.

1
 76- 32
2
 54- 21

### Complexity=200

Subtract. Press TAB or ENTER to move to the next problem.

1
 332- 171
Solution
 - 2 13 3\ 3\ 2 1 7 1 1 6 1
2
 213- 128
Solution
 - 1 100\ 13 2\ 1\ 3\ 1 2 8 8 5

### Complexity=700

Subtract. Press TAB or ENTER to move to the next problem.

1
 1116- 648
Solution
 - 0 100\ 100\ 16 1\ 1\ 1\ 6\ 6 4 8 4 6 8
2
 1307- 623
Solution
 - 0 122\ 10 1\ 3\ 0\ 7 6 2 3 6 8 4

### Complexity=1000

Subtract. Press TAB or ENTER to move to the next problem.

1
 1322- 334
Solution
 - 0 122\ 111\ 12 1\ 3\ 2\ 2\ 3 3 4 9 8 8
2
 1405- 638
Solution
 - 0 133\ 910\ 15 1\ 4\ 0\ 5\ 6 3 8 7 6 7

### Complexity=5000

Subtract. Press TAB or ENTER to move to the next problem.

1
 8497- 4993
Solution
 - 7 14 8\ 4\ 9 7 4 9 9 3 3 5 0 4
2
 9068- 4433
Solution
 - 8 10 9\ 0\ 6 8 4 4 3 3 4 6 3 5

### Complexity=10000

Subtract. Press TAB or ENTER to move to the next problem.

1
 14068- 5780
Solution
 - 0 133\ 910\ 16 1\ 4\ 0\ 6\ 8 5 7 8 0 8 2 8 8
2
 15822- 7137
Solution
 - 0 15 7 111\ 12 1\ 5\ 8\ 2\ 2\ 7 1 3 7 8 6 8 5

### Complexity=20000

Subtract. Press TAB or ENTER to move to the next problem.

1
 39040- 19941
Solution
 - 2 188\ 910\ 133\ 10 3\ 9\ 0\ 4\ 0\ 1 9 9 4 1 1 9 0 9 9
2
 33764- 18305
Solution
 - 2 13 5 14 3\ 3\ 7 6\ 4\ 1 8 3 0 5 1 5 4 5 9

### Complexity=100000

Subtract. Press TAB or ENTER to move to the next problem.