Kumon Math H 165 sheets (148 unused) Equivalent to 2nd year of junior high school Review of up to G Systems of two equations Systems of three and four equations Calculations with monomials and polynomials Multiplication of polynomials Multiplication using formulas Factoring Missing numbers 91-120 191-192 194-196 The price has already been set to the lowest possible amount, considering shipping costs. Please refrain from price negotiations. Thank you.