6.RP.A.1: Understanding Ratios
7.EE.A.1: Simplify Linear Equations
7.NS.A.3: Operation on Rational Numbers: Real-World Problems
7.RP.A.3: Ratio, Proportion and Percentage: Word Problems
7.SP.C.5: Understanding Probability
8.EE.A1: Properties of Exponents
8.NS.A.1: Understanding Rational and Irrational Numbers