New Curriculum ※With Answer Key※ ・Systematic Mathematics 1 (for 1st and 2nd year junior high school students) Algebra Edition ・Systematic Mathematics 2 (for 2nd and 3rd year junior high school students) Algebra Edition ・Systematic Problem Collection Mathematics 2 (for 2nd and 3rd year junior high school students) Algebra Edition [Basic to Advanced] Thank you for viewing. I purchased these for home use, but I hardly used them, so they are in good condition. All come with answer keys. I will pack them carefully and ship them.