Math operations Addition to 50 Addition to 50: Practice adding numbers from 1 to 50. Level game: 2nd grade Math games recommended for You: Counting with money Addition to 50 – find a number Addition to 100 Subtraction to 50 2nd grade Share this Practice math games: Learning clock Subtraction to 20 Greater than and less than sign (to 20) Leave A Comment Cancel reply Save my name, email, and website in this browser for the next time I comment.