Common Core Mathematical Content Standards:
6.NS.2 Fluently divide multi-digit numbers using the standard algorithm.
7.RP.A.2 Recognize and represent proportional relationships between quantities.
6.RP.A.3C Find a percent of a quantity as a rate per 100; solve problems involving finding the whole, given a part and the percent.
7.RP.A3 Use proportional relationships to solve multi-step ratio and percent problems.
Grades 6, 7