Introduce and practice this math strategy of using an open number line to add and subtract with this set of practice sheets! Set includes eight free sheets to use in your first (or second!) grade math class as you implement the Common Core standards.
The Common Core standards call for deeper understanding of addition and subtraction than the standard algorithm can provide. Using an open number line is one important strategy students can use to solve addition and subtraction with two digits. This pack of practice sheets includes an introduction to the open number line strategy plus a practice page for each of the following situations:
2-Digit + 1-Digit Addition
2-Digit + 2-Digit Addition
2-Digit - 1-Digit Subtraction
2-Digit - 2-Digit Subtraction
If you like this set of strategy practice, be sure to check out some of my other Common Core math practice sheet packs!
Two-Digit Addition Mega Pack
Addition & Subtraction with Multiples of Ten
Two-Digit Addition within 100
Two-Digit Minus One-Digit Subtraction
Or, save a bundle of $$ by purchasing my First Grade Common Core Math Practice Sheet bundle! Bundle of 16 sets of practice sheets with a wide variety of strategies and practice pages for the first grade CCSS!
First Grade Common Core Math Practice Sheet Bundle
Thanks for the download, and I hope you enjoy:) Good luck with open number lines!