Addition and subtraction within 20 is a second grade math BUNDLE focused on making ten, adding ten, and using ten to add and subtract. This BUNDLE specifically focuses on establishing 10 as a benchmark number to give students strategies and practice in developing automaticity with larger math facts before moving onto multi-digit addition and subtraction.
In the base-10 number system, understanding how to use 10 as a benchmark number is key for students to obtain fluency and automaticity with their math facts, be able to add and subtract two-digit numbers in their heads, and use place value and compensation strategies with larger numbers. If students can learn how to use 10 to add an subtract smaller numbers within 20, they will have so many tools and strategies at their disposal when adding and subtracting multi-digit numbers.
This BUNDLE is 20% off purchasing the two products individually.
Included in the BUNDLE are:
• Addition & Subtraction within 20 (Make 10, Add 10, Use 10)
which includes printable, partner games, and quick checks
• Using 10s to Add +9 & +8
which includes a variety of games and activities for math stations or centers.
See the previews for each product for additional information.
Do you teach second grade? Interested in saving time and money? Here is a BUNDLE of all my second grade math resources.
You might also like:
• Addition & Subtraction Word Problems by Problem Types
• Cut and Paste Math Activities for Second Grade Every Standard
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Copyright © Jessica Boschen. All rights reserved by author. This product is to be used by the original downloader only. Copying for more than one teacher, classroom, department, school, or school system is prohibited. This product may not be distributed or displayed digitally for public view. Failure to comply is a copyright infringement and a violation of the Digital Millennium Copyright Act (DMCA). Clipart and elements found in this PDF are copyrighted and cannot be extracted and used outside of this file without permission or license. Intended for classroom and personal use ONLY.