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CCSS.Math.Content.2.OA.C.4 Use Addition To...

CCSS.Math.Content.2.OA.C.4 - 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.

 
Authors: National Governors Association Center for Best Practices, Council of Chief State School Officers

Title: CCSS.Math.Content.2.OA.C.4 Use Addition To Find The Total Number Of Objects... Operations and Algebraic Thinking - 2nd Grade Mathematics Common Core State Standards

Publisher: National Governors Association Center for Best Practices, Council of Chief State School Officers, Washington D.C.

Copyright Date: 2010

(Page last edited 10/08/2017)

  1. Create Arrays - Use this array maker to create rectangular arrays.
  2. Hundreds Board - A blank hundreds board activity sheet Create your own arrays and express the total as a sum.
  3. Multiplication: An Adventure in Number Sense - Make your own arrays for class practice.Click on one number from the left column and one from the upper row. Then click on the equal sign in the upper right corner and see what happens.
  4. Visual Multiplication - Create worksheets with arrays to help figure out how to use arrays in addition and multiplication

 

 

Internet4classrooms is a collaborative effort by Susan Brooks and Bill Byles.
 

  

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