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Fluently Adding and Subtracting Within 20 - Standard 2.OA.B.2

Fluently Adding and Subtracting Within 20 - Standard 2.OA.B.2
Fluently Adding and Subtracting Within 20 - Standard 2.OA.B.2
Fluently Adding and Subtracting Within 20 - Standard 2.OA.B.2
Fluently Adding and Subtracting Within 20 - Standard 2.OA.B.2
Fluently Adding and Subtracting Within 20 - Standard 2.OA.B.2
Fluently Adding and Subtracting Within 20 - Standard 2.OA.B.2
Fluently Adding and Subtracting Within 20 - Standard 2.OA.B.2
Fluently Adding and Subtracting Within 20 - Standard 2.OA.B.2
Grade Levels
Common Core Standards
Product Rating
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28 MB|159 pages
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Product Description
Activities in this packet will provide support for students to be fluent when adding and subtracting within 20 based on mental math strategies . The following strategies are essential for conceptual understanding and procedural fluency: counting on, decomposing a number leading to 10, relationships between addition and subtraction, and equivalent or easier sums. Standard 2.OA.B.2

Instructional Activities in this Bundle Include:
1. Concrete
Count on using connecting cubes
Regrouping on a ten-frame
Subtracting on a ten-frame

2. Representational
Adding on a number line
Subtracting on a number line (counting back)

3. Abstract
Adding by making a ten
Subtracting by counting down to ten
Doubles facts for addition and subtraction
Relationships between addition and subtraction (fact families)
Total Pages
159 pages
Answer Key
Included
Teaching Duration
Lifelong tool
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