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MULTIPLICATION STRATEGIES—MULTIPLIERS 6 THROUGH 12

Grades: 3‒4

Students use a rectangular array model to develop strategies for decomposing multiplication problems into simpler problems with numbers whose products they already know. By practicing with the array models, students learn and increase their fluency with multiplication facts for 6’s, 7’s, 8’s, 9’s, 11’s, and 12’s.

OBJECTIVES 
  • Students will use a rectangular array model to explore multiplication facts for 6’s, 7’s, 8’s, 9’s, 11’s, and 12’s.
  • Students will see the relationship between a multiplication fact represented in numerical form and the same fact represented with an array.
  • Students will develop and use strategies such as the distributive property for computing multiplication facts.

COMMON CORE CONNECTIONS 
Mathematical Practices

(1) Make sense of problems and persevere in solving them; (2) Reason abstractly and quantitatively; (3) Construct viable arguments and critique the reasoning of others; (5) Use appropriate tools strategically; (7) Look for and make use of structure.

Content Standards

3.OA3, 5, 7, 9

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This activity is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License: http://creativecommons.org/licenses/by-nc-sa/3.0/. If you adapt and/or share this activity, you must attribute it to "KCP Technologies, a McGraw-Hill Education Company." You may distribute it only non-commercially under the same or similar license.


This material is based upon work supported by the National Science Foundation under KCP Technologies Award ID 0918733, with grant period September 1, 2009 through August 31, 2013. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.
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