Free worksheets for ratio word problems Find here an unlimited supply of worksheets with simple word problems involving ratios, meant for 6th-8th grade math. In level 1 , the problems ask for a specific ratio (such as, " Noah drew 9 hearts, 6 stars, and 12 circles. Ratios, Rates & Unit Rates Ratios A _____ is a comparison of two quantities by division. A ratio can be used to represent relationships within a set (parts to a whole) or between two sets. o For instance, we can use a ratio to compare the number of roses in a vase to the number of tulips in the vase.