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Addition and Subtraction
Within number
10
20
50
100
Number of problems
10
20
50
100
Problem type
Addition
Subtraction
Addition + Subtraction
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1.
10 + 2 =
2.
8 + 7 =
3.
11 + 8 =
4.
8 + 6 =
5.
6 + 11 =
6.
7 + 7 =
7.
15 + 2 =
8.
10 + 9 =
9.
19 + 1 =
10.
8 + 5 =
11.
15 + 1 =
12.
17 + 1 =
13.
12 + 6 =
14.
15 + 5 =
15.
5 + 13 =
16.
18 + 1 =
17.
12 + 4 =
18.
12 + 7 =
19.
1 + 10 =
20.
10 + 5 =
1.
10 + 2 =
2.
8 + 7 =
3.
11 + 8 =
4.
8 + 6 =
5.
6 + 11 =
6.
7 + 7 =
7.
15 + 2 =
8.
10 + 9 =
9.
19 + 1 =
10.
8 + 5 =
11.
15 + 1 =
12.
17 + 1 =
13.
12 + 6 =
14.
15 + 5 =
15.
5 + 13 =
16.
18 + 1 =
17.
12 + 4 =
18.
12 + 7 =
19.
1 + 10 =
20.
10 + 5 =