Math Practice Topic: Fast Subtraction

Description: Simple subtraction with 2 operands. For example, 9-5, 5-2, etc. The focus here is to build up speed.

Adaptive Learning Progression: The number of problems ramps up quickly with minimal time limits to guarantee that the student is fast upon mastery.

Sample Levels (out of 7)

Subtract.

1.
5 - 0 =
2.
3 - 0 =
3.
4 - 1 =
4.
5 - 5 =
5.
4 - 4 =
6.
3 - 3 =
7.
4 - 2 =
8.
3 - 3 =
9.
4 - 3 =
10.
3 - 0 =

Subtract.

1.
7 - 0 =
2.
12 - 6 =
3.
16 - 9 =
4.
7 - 3 =
5.
11 - 9 =
6.
16 - 7 =
7.
17 - 8 =
8.
13 - 8 =
9.
2 - 0 =
10.
15 - 8 =
11.
4 - 0 =
12.
11 - 9 =
13.
12 - 5 =
14.
12 - 7 =
15.
10 - 6 =

Subtract.

1.
10 - 2 =
2.
16 - 9 =
3.
12 - 4 =
4.
9 - 1 =
5.
3 - 0 =
6.
13 - 5 =
7.
8 - 8 =
8.
3 - 1 =
9.
6 - 6 =
10.
8 - 0 =
11.
7 - 4 =
12.
12 - 6 =
13.
16 - 9 =
14.
10 - 2 =
15.
11 - 7 =
16.
9 - 0 =
17.
10 - 2 =
18.
13 - 7 =
19.
12 - 4 =
20.
3 - 0 =
21.
6 - 3 =
22.
4 - 0 =
23.
7 - 1 =
24.
10 - 4 =
25.
16 - 8 =
26.
12 - 3 =
27.
6 - 5 =
28.
12 - 6 =
29.
9 - 5 =
30.
9 - 9 =
31.
11 - 9 =
32.
9 - 9 =
33.
4 - 2 =
34.
9 - 2 =
35.
15 - 7 =
36.
12 - 7 =
37.
6 - 0 =
38.
1 - 1 =
39.
11 - 2 =
40.
9 - 3 =
41.
7 - 1 =
42.
14 - 8 =
43.
1 - 1 =
44.
11 - 2 =
45.
8 - 6 =
46.
10 - 3 =
47.
6 - 6 =
48.
13 - 5 =
49.
1 - 1 =
50.
10 - 7 =

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