Mathsheets
Printable math worksheets for teachers and families
Name
Date
Time
:
to
:
Adding three numbers (within 20)
Solve each problem.
Example
9 + 7 + 3 =
19
1.
6 + 5 + 4 =
2.
4 + 2 + 5 =
3.
7 + 2 + 1 =
4.
7 + 5 + 1 =
5.
3 + 2 + 5 =
6.
2 + 9 + 2 =
7.
8 + 1 + 1 =
8.
7 + 0 + 9 =
9.
5 + 6 + 6 =
10.
9 + 6 + 5 =
11.
0 + 7 + 3 =
12.
4 + 4 + 9 =
13.
7 + 6 + 2 =
14.
9 + 3 + 1 =