Kumon Math H material. Equivalent to 2nd year of junior high school. These are worksheets that my child has already studied. No tears or stains. ⚫️ Simultaneous equations (2 variables, 3 variables, 4 variables) Application problems of equations Monomials, polynomials Multiplication of polynomials Factorization By steadily working through 200 sheets, you will become able to solve simultaneous equations and factorization very quickly. Summer vacation Please use them for home study!