Lesson plan

Create 100 in different ways by using groups of tens and ones

teaches Common Core State Standards CCSS.Math.Content.2.NBT.A.1 http://corestandards.org/Math/Content/2/NBT/A/1
teaches Common Core State Standards CCSS.Math.Content.2.NBT.A.1a http://corestandards.org/Math/Content/2/NBT/A/1/a
teaches Common Core State Standards CCSS.Math.Practice.MP3 http://corestandards.org/Math/Practice/MP3

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Big Ideas: The same number can be shown in many different ways. 10 bundles of 10 can be combined to make a “hundred." This lesson introduces the concept of "hundreds" and the various ways that one hundred can be made using groups of tens and ones. The task presents a basketball game in which the points are base ten values. The students are asked to think about and represent the different ways one could score 100 points. Understanding that there is no one "right" way to represent a number using base ten helps students have a solid foundation for later skills such as place value of 3 and 4 digit numbers, addition and subtraction with regrouping, and multiplication. Special Materials: Base Ten Blocks