Reflection: Developing a Conceptual Understanding Knockin It Out of the Park by Subtracting Ten - Section 3: Independent Practice


Watch the video of dividing line reflection for double digit math.wmv to see a strategy that can help your students grappling with subtracting double digits.

  Developing a Conceptual Understanding: Drawing a line will help
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Knockin It Out of the Park by Subtracting Ten

Unit 10: Place Value
Lesson 12 of 16

Objective: SWBAT subtract tens within 100 by recognizing how the digit in the tens place is changing.

Big Idea: My students need to apply their understanding of place value to properties of addition and subtraction. We continue to build that understanding today by connecting to subtraction facts they already know well.

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Math, Place Value, tens, First Grade, subtracting tens, Tens and Ones
  30 minutes
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