Lesson plan

Calculate percentages when given the part and the total by using a 10 by 10 grid

teaches Common Core State Standards CCSS.Math.Content.6.RP.A.3c http://corestandards.org/Math/Content/6/RP/A/3/c
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2
teaches Common Core State Standards CCSS.Math.Practice.MP5 http://corestandards.org/Math/Practice/MP5
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7

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Big Ideas: A percent is relative to the size of the whole. Percentages can be useful when comparing a part to a whole. This lesson builds upon students' work with equal ratios and equivalent rates. In this lesson, students help an architect calculate the percent of the new sports recreation center that is taken up by each different facility. This lesson builds toward an understanding of percent change that students will study in grade 7. Vocabulary: percent, 10-by-10 grid Special Materials: 10x10 grid, or graph paper Base 10 blocks (optional) Unifix cubes (optional)