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Add and Subtract Within 1000

Grade 2 Common Core Math Standard

Aligned To Common Core Standard:

Grade 2 Base Ten- 2.NBT.7

Printable Worksheets And Lessons


  • Step-by-step Lesson- Work on sums and differences of three digit numbers. This lesson provides six examples.

  • Guided Lesson - Focused on three digit numbers A) Add horizontal B) Subtract vertically C) Add visually.

  • Guided Lesson Explanation - I touch on the concept of carrying numbers over place values. It works pretty well.

  • Practice Worksheet - A series of ten problems to work with. I feel there is a good amount of space to work with here.

  • Matching Worksheet - Match the problems to their sum or difference.


AnswersAnswer Keys



View Answer Keys- All the answer keys in one file.





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Homework Sheets

I get a lot of great feedback on these. I have rewritten them about 8 times before I got the spacing right.




Practice Worksheets

I made the answers appear in a slightly different shade of gray to make them stick out when printed.




Math Skill Quizzes

These might seem awkwardly spaced, but it is really helpful for younger students.