Subtracting with Partners of 100

Unit 6: Everything in Its Place
Lesson 6 of 14

Objective: SWBAT apply their knowledge of partners of 100 to solve difference problems with whole numbers using base-ten notation.

Big Idea: When subtracting ten from a 2 digit number, students should be able to compute the answer as fluently and comfortably as do when they add ten to a 2 digit number.

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Math, Place Value, Number Sense and Operations, Money, subtraction, multiples of ten, counting
  70 minutes
100 0684
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