Reflection: Developing a Conceptual Understanding Multiplying 2-Digit Numbers by Multiples of Ten - Section 3: Group or Partner Activity


Using area models to find the products is an excellent way to give the students a visual concept.  Sometimes when we us algorithms the students just follow the steps but do not have a clue about what they are actually doing.  This is a practice that I want to incorporate more in my teaching.

  Area Model
  Developing a Conceptual Understanding: Area Model
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Multiplying 2-Digit Numbers by Multiples of Ten

Unit 12: Multiplying and Dividing
Lesson 6 of 23

Objective: SWBAT use grids and a short cut to multiply 2-digit numbers and multiples of 10.

Big Idea: Once students understand patterns when multiplying by 10, they learn a short cut that can help multiply 2-digit numbers by multiples of 10.

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Math, Number Sense and Operations, Operations , multiplication, multiplication models
  50 minutes
multiples of 10
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