MATH COMPARISON can be defined as the comparison of two or more mathematical values. The crossword solution for this term is RATIO, which is a comparison of two or more numerical values. Ratios are used to compare different quantities and can be expressed as fractions, decimals, or percentages. Ratios are often used in mathematics to compare two or more values, such as the RATIO of two sides of a triangle or the RATIO of two numbers in a proportion.