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Lesson Plan

Shape Swap: Connected Solution Paths

teaches Common Core State Standards CCSS.Math.Content.2.NBT.A.2
teaches Common Core State Standards CCSS.Math.Practice.MP2
teaches Common Core State Standards CCSS.Math.Practice.MP7

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Students will understand that there are multiple ways to skip count to a given number using combinations of 5s, 10s, and 100s. This task requires students to use a visual representation for the quantities that does not directly match the quantity (like base ten blocks might). The goal score is 435, which allows for various combinations. This task prepares students to think of the number of groups of 5s, 10s, and 100s. The suggested public discussion of student work shows solution paths that are connected through the values of the different shapes. Students may notice that ten groups of the shapes worth 10 points has the same value of one group worth 100 points. Three pieces of work are shown, beginning with a response that uses only one shape group. This is followed by work that uses the most efficient combination of the three different groups. The third piece of work shows a possible combination using all three types of groups.
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