Skill Sharpeners Math, Grade 3 provides practice for the following mathematics skills: read, write, and compare numbers to 10,000 addition and subtraction facts to 18 two- and three-digit addition and subtraction with and without regrouping multiplication and division facts to 81 multipy a two- and three-digit number by a one-digit number with and without regrouping division with and without remainders value of pennies, nickels, dimes, quarters, dollar bills solve word problems tell time to the minute identify fractions1/2, 1/3, 1/4, 3/4, 2/3, 1/6, 1/8 read and create graphs measure to the nearest half inch geometrybasic shapes, symmetry, perimeter