Addition and Subtraction Strategies | Within 20 | BOOM Cards™ BUNDLE!- Are you looking for ways for your students to review addition and subtraction within 20? This bundle of math Boom Cards is the answer to your fact fluency needs! This bundle includes 4 decks of addition and subtraction BOOM Cards to practice addition and subtraction within 20 without regrouping.

This bundle includes links to :

-Cactus Addition: Adding within 20

-Cactus Addition: Missing Addend

-Cactus Subtraction: Subtraction within 20

-Cactus Subtraction: Missing Subtrahend

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Copyright © Michelle Staley. All rights reserved by the 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. See product file for clip-art and font credits.

CCSS Correlations:

Represent and solve problems involving addition and subtraction.

CCSS.MATH.CONTENT.1.OA.A.1- Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

CCSS.MATH.CONTENT.1.OA.A.2- Solve word problems that call for the addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

CCSS.MATH.CONTENT.1.OA.B.3- Apply properties of operations as strategies to add and subtract

CCSS.MATH.CONTENT.1.OA.B.4- Understand subtraction as an unknown addend problem.

Add and subtract within 20.

CCSS.MATH.CONTENT.1.OA.C.5-Relate counting to addition and subtraction.

CCSS.MATH.CONTENT.1.OA.C.6-Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten; decomposing a number leading to a ten; using the relationship between addition and subtraction; and creating equivalent but easier or known sums.