Thursday, June 14, 2012

Math Freebie - Building Sets

Today over at Bookish Ways in Math and Science you'll find an introductory multiplication activity that encourages students to work with sets to think about repeated addition, making arrays, and writing number sentences.

This activity meets the following Common Core Standards for Mathematics.
  • 2.OA.4 - Work with equal groups of objects to gain foundations for multiplication. Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.
  • 3.OA.1 - Represent and solve problems involving multiplication and division. Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each. For example, describe a context in which a total number of objects can be expressed as 5 × 7.

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