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Module 1
Sums and Differences to 20

Overview

Throughout this module, students will: 
  • use addition and subtraction within 100 to solve one- and two-step word problems
  • fluently add and subtract within 20
  • make a ten to add and subtract within 100
  • decompose to subtract within 100
Vocabulary

Terminology Definition Illustration
Making Ten A strategy that uses combinations of numbers that add up to ten.
     
Say Ten Counting A method of counting that supports number sense by revealing the base ten system .

Additional Resources



make a ten from JD K-4 Math on Vimeo.


DISTRICT

OUR SCHOOLS




Dr. Peter Smith, Superintendent

P.O. Box 606
DeWitt, NY 13214

Phone: (315) 445-8300
www.jamesvilledewitt.org


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