6663j math module 4 To prepare Study the doubling sidebar chart (Figure 12.19) on p. 291 in Elementary and Middle School Mathematics: Teaching Developmentally. Calculate 2,051 7 using the following methods: Division as unknown group size Division as unknown side length Calculate 3,216 48 using the following methods: The scaffolding method The standard long division algorithm Complete the following: Solutions for each calculation, using the methods provided in the "To prepare" section of this Assignment For each problem, two similarities and two differences between the methods you used, including explanations An explanation of how the doubling sidebar chart helps students identify digits of the quotient An explanation of how you would transition students from the scaffolding method to the standard division algorithm