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# Addition and Subtraction CGI Task Problems

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Common Core Standards
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Product Description
CGI Task Problems - Addition and Subtraction - perfectly aligned to common core for fourth grade!

4.NBT.3
4.NBT.4
4.OA.3
4.OA.5

I created these task problems to specifically aligned with Chapter 2: Add and Subtract Whole Numbers from the My Math program by McGraw-Hill, from the 4th grade book! We adopted this textbook in my Utah School District and I am enjoying these task problems to teach with an inquiry approach to help students think about the processes and strategies to solve problems rather than what the correct answer is! Math is so fun!

The different problem types that are included are

Join: Join Result Unknown (JRU), Join Change Unknown (JCU), Join Start Unknown (JSU)

Separate: Separate Result Unknown (SRU), Separate Change Unknown (SCU), Separate Start Unknown (SSU)

Part-Part-Whole: Part-Part-Whole with one Part Unknown (PPWPU), Part-Part-Whole with Whole Unknown (PPWWU)

Compare: Compare Difference Unknown (CDU), Compare Quantity Unknown (CQU), Compare Referent Unknown (CRU)

However, these task problems really will work with any addition and subtraction unit!

Included in this product are 6 different sets of the same task problems to easily use them in which ever way your prefer for your own classroom:

1. There are 4 task problems with names and numbers already filled in on one page that you can cut so students can rotate through the classroom answering the problems. There is a student response sheet for this and a teacher answer key.

2. There are 4 task problems with blank spaces for you to fill in your own student names and with numbers already filled in on one page that you can cut so students can rotate through the classroom answering the problems. There is a student response sheet for this and a teacher answer key.

3. There are 4 task problems with blank names and blank numbers for you to fill in to best fit the needs of your students on one page that you can cut so students can rotate through the classroom answering the problems. There is a student response sheet for this and a teacher answer key.

4. There are the exact task problems I use in my lessons each day on an 81/2 by 11 sheet of paper. These have the names and numbers already filled in. The number of the task problem coordinates with the number on the teacher answer key from the rotation activity.

5. There are the task problems that have blanks for you to fill in the names of your very own students! The number of the task problem coordinates with the number on the teacher answer key from the rotation activity but the names may vary.

6. There are the task problems that have blanks for the names and numbers that you wish to use in the task problem. This is so you can use the same task problem and switch out the numbers to differentiate
instruction. The number of the task problem coordinates with the number on the teacher answer key from the rotation activity BUT the answer will not be the same if you changed the names and numbers.

Check out some of the other CGI Task Problems I have created:

Multiplication 2 X 2 CGI Task Problems

Multiplication 2 X 1 3 X 1 4 X 1 CGI Task Problems

Copyright 2014 Melany Stransky Lingam

Please email me with any questions/concerns/suggestions! lingammelany@gmail.com
Total Pages
107 pages
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