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 2 provides practice for the following mathematics skills: read, write, and compare numbers to 1,000 addition and subtraction facts to 18 two-digit addition and subtraction with and without regrouping three-digit addition and subtraction without regrouping multiplication facts to 25 identify and continue patterns value of pennies, nickels, dimes, quarters, dollar bills solve word problems tell time to the hour and half-hour identify fractions—1/2, 1/3, 1/4, 3/4, 2/3, 1/6, 1/8 read and create graphs measure to the nearest half inch geometry—basic shapes, symmetry, perimeter