![]() One-third of a square is vertically shaded red. The other model, found in the textbook, uses an overlapping approach (shown below). The post outlines the structure of the pared down area model. ![]() Multiply denominators: 4 sections x 3 sections = total sections 12Įarlier, I mentioned presenting two area models to Mrs Barnes.Multiply numerators: 1 section of 1 section = Ellie’s portion 1.1/4: The remaining cake was divided into 4 sections, one of which was given to Ellie.1/3: The original cake was divided into 3 sections, one of which was left.Lastly, we connected the algorithm with the visual.Their response was completely unexpected and a pleasant surprise.I’d like you to slide the black dot from OFF to O N. “ From our discussion, we seem to agree that Ellie received 1/12 of the whole cake.Once back at the front, student shared their thinking.His table-mate immediately added, “You need equivalent pieces!!” When I asked him how he arrived at 1/6, he pointed to the 6 sections. At one table I noticed a student with the answer of 1/6.Needless to say, I was blown away by their responses, especially the last two – which were explaining the algorithm. ![]()
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