Common Core Top Pick for Math Measurement and Data Numbers and Operations in Base 10 Geometry Operations and Algebraic Thinking View all Common Core Top Picks for Math Skill Sharpeners Math, Grade 6+ provides practice for the following mathematics skills: computing with multidigit whole numbers—all operations solving two-step equations multiplying and dividing decimals to the thousandths calculating the circumference of a circle calculating elapsed time constructing and interpreting graphs calculating with fractions calculating prime factorization greatest common factor and least common multiple converting customary measure to metric measure calculating area and perimeter plotting ordered pairs on a coordinate graph