Math Practice Topic: Long Subtraction

Description: Large number subtraction. You may need to use pencil and paper.

Adaptive Learning Progression: Quickly ramps up the size of the numbers to be subtracted as rating increases.

Sample Levels (out of 9)

0
120
0%
Mastery

Subtract.

1.
17
- 6
     

2.
28
- 15
     

3.
24
- 14
     

4.
21
- 15
     

3
120
60%
Mastery

Subtract.

1.
870
- 340
     

2.
1085
- 654
     

3.
884
- 428
     

4.
1180
- 519
     

6
120
100%
Mastery

Subtract.

1.
14986
- 7888
     

2.
11721
- 8215
     

3.
11894
- 5902
     

4.
10329
- 6021
     


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