Math-U-See Pre-Algebra Instruction Manual & lesson DVDs Instruction Manual — includes detailed instructions and solutions Instructional lesson videos — available on DVD In this level, you and your student will confidently explore the basic rules of solving equations using the associative, commutative, and other properties while mastering additional concepts including simple operations with polynomials and geometry concepts like surface area, volume, and the Pythagorean theorem. We did this homeschool course but also had the streaming so never used the DVDs. Both like new.