Addition & subtractionGrade 2
Vertical Addition (2 Digits) practice
Add two 2-digit numbers in a column, ones first, with no carrying, such as 42 + 36.
Example problems
3
0
1
6
＋
6
4
4
2
3
6
＋
8
7
4
1
5
6
＋
7
9
How a practice round works
A round has 10 problems from this skill. Type the digits into the dotted boxes; if a digit is wrong, you simply try again. Get 5 of your last 6 problems right on the first try to master the skill, then keep practicing to earn up to three stars.