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Cluster: Analyze proportional relationships and use them to solve real-world and mathematical problems. MCC7.RP.1 (DOK 2) Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units. For example, if a person walks ½ mile in each ¼ hour, compute the unit rate as the complex fraction ½/¼ miles per hour, equivalently 2 miles per hour. MCC7.RP.2 (DOK2) Recognize and represent proportional relationships between quantities. a.Decide whether two quantities are in a proportional relationship, e.g., by testing for equivalent ratios in a table or graphing on a coordinate plane and observing whether the graph is a straight line through the origin. b.Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships. c.Represent proportional relationships by equations. For example, if total cost t is proportional to the number n of items purchased at a constant price p, the relationship between the total cost and the number of items can be expressed as t = pn. a.Explain what a point (x, y) on the graph of a proportional relationship means in terms of the situation, with special attention to the points (0, 0) and (1, r) where r is the unit rate. MCC7.RP.3 (DOK2) Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error.

1.SAVINGS ACCOUNT How much interest will Hannah earn in 4 years if she deposits $630 in a savings account at 6.5% simple interest? 2.INVESTMENTS Terry invested $2,200 in the stock market for 2 years. If the investment earned 12%, how much money did Terry earn in 2 years? 3.RETIREMENT Mr. Pham has $410,000 in a retirement account that earns 3.85% simple interest each year. Find the amount earned each year by this investment. 4.COLLEGE FUND When Melissa was born, her parents put $8,000 into a college fund account that earned 9% simple interest. Find the total amount in th

1.SAVINGS ACCOUNT How much interest will Hannah earn in 4 years if she deposits $630 in a savings account at 6.5% simple interest? $ INVESTMENTS Terry invested $2,200 in the stock market for 2 years. If the investment earned 12%, how much money did Terry earn in 2 years? $528 3.RETIREMENT Mr. Pham has $410,000 in a retirement account that earns 3.85% simple interest each year. Find the amount earned each year by this investment. $ COLLEGE FUND When Melissa was born, her parents put $8,000 into a college fund account that earned 9% simple interest. Find the total amount in the account after 18 years. $20,960