Lesson plan

Explain the pattern created by multiplying a decimal by a power of 10

teaches Common Core State Standards CCSS.Math.Content.5.NBT.A.2 http://corestandards.org/Math/Content/5/NBT/A/2
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2
teaches Common Core State Standards CCSS.Math.Practice.MP6 http://corestandards.org/Math/Practice/MP6
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7

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Big Ideas: Each place value to the left of another is ten times greater than the one to the right Fifth grade is the first year students encounter multiplying by powers of ten with decimal numbers. Students should reason that the role of the exponent above the 10 indicates that the number becomes 10 times greater. Students need to be provided with opportunities to explore this concept and come to this understanding; this should not be taught as a procedure. Vocabulary: exponent, powers of ten, multiplication, product, expanded form, standard form Special Materials: place value chart