Who's going back to school? - Students calculate the historical changes in U.S. population percentages of people who are going back to school and try to formulate reasons for these variations. 6.EE, 6.RP.3, 6.SP, 7.EE, 7.RP.3, 7.SP

Does it pay to get educated? - Students compare the earning power for people who have invested time, effort, and often money in order to strengthen their education and learning. 4.OA.2, 5.NBT.5, 6.RP.3, 6.NS.3, 6.SP.3 6.SP.4, 6.SP.5, 7.SP.4, MP1, MP3

How much does it cost to send you back to school? - Students work together to create a back-to-school needs list; confer and research to estimate the cost of these items; tally and compare the whole class's estimations. The final question concerns the amount of time needed to work to earn enough for these costs. 4.OA.3, 4.NBT.3, 6.SP.3, 6.SP.5, 7.EE.3, MP5, HSF, HSA