Select-a-size Subtraction Stories: CGI Style Word Problems for Grades 1-3

Select-a-size Subtraction Stories:  CGI Style Word Problems for Grades 1-3
Select-a-size Subtraction Stories:  CGI Style Word Problems for Grades 1-3
Select-a-size Subtraction Stories:  CGI Style Word Problems for Grades 1-3
Select-a-size Subtraction Stories:  CGI Style Word Problems for Grades 1-3
Select-a-size Subtraction Stories:  CGI Style Word Problems for Grades 1-3
Select-a-size Subtraction Stories:  CGI Style Word Problems for Grades 1-3
Select-a-size Subtraction Stories:  CGI Style Word Problems for Grades 1-3
Select-a-size Subtraction Stories:  CGI Style Word Problems for Grades 1-3
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You may be familiar with the research done with children and how they acquire math understanding—especially in problem solving called CGI or “cognitively guided instruction”. If you aren’t familiar with it, I highly recommend a little reading because it is fascinating!

The work is so thorough and well respected that the writers of the CCSS have chosen to base a good part of the standards on it! In fact, if you have not spent time looking at the tables in the glossary (pages 88-89), I would recommend it as the CCSS for grades 1-4 refer directly to them. This resource is designed to help teachers provide students with quality problems to help them navigate the six subtraction problem types. Because students come to the table with a variety of skills, each problem has 3 different “select a size” number choices to help make the problem a perfect fit! Rather than having to find different problems for your different levels, you can teach the different problem types and the differentiated numbers are right on the page!

What is included?

*Real photos and teaching tips and suggestions

*A “teach me” problem to use whole-class to model each of the 6 problem types. Customize them by writing your student names in the blanks!

*6 quality problems in all 6 different problem types—all CCSS aligned (36 word problems)

*3 levels of challenge per problem

*Problems available with 6 of the same problem per page AND on sheets with 6 different problems per page

*Full answer key

*Blank forms to use for independent work or as assessments (use this for ANY of the problems included…students can use it for independent work or for you to collect as an assessment of their
problem solving and/or to show their written explanations..)

*2 assessment forms!

I hope you enjoy using this resource to help improve problem solving with your students! Problem solving is more than just adding two numbers--it is THINKING...and this resource can help!


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Looking for all my CGI "Select-a-Size" problems?

Addition and Subtraction CGI bundle

Addition Only CGI Problems

Subtraction Only CGI Problems

Multiplication and Division CGI Problems

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All rights reserved by ©The Teacher Studio. Purchase of this problem set entitles the purchaser the right to reproduce the pages in limited quantities for single classroom use only. Duplication for an entire school, an entire school system, or commercial purposes is strictly forbidden without written permission from the author at fourthgradestudio@gmail.com. Additional licenses are available at a reduced price.
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65 pages
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