Math operations Long addition Long addition: Practice adding numbers using long addition. Level game: 3rd, 4th and 5th grade Math games recommended for You: Long addition (three numbers) Long subtraction Long multiplication 3rd grade4th grade5th grade Share this Practice math games: Adding negative numbers Roman numerals to Arabic (to 100) Rounding to the nearest hundred Leave A Comment Cancel reply Save my name, email, and website in this browser for the next time I comment.