Number properties Rational numbers Rational numbers: Practice identifying if numbers are rational numbers. Level game: 4th, 5th and 6th grade Math games recommended for You: Real numbers Natural numbers Integers Irrational numbers 4th grade5th grade6th grade Share this Practice math games: Square numbers (perfect squares) Order of operations with brackets (difficult) Multiplying decimals Leave A Comment Cancel reply Save my name, email, and website in this browser for the next time I comment.