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
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28.8 MB   |   159 pages

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
Answer Key
Included
Teaching Duration
Lifelong Tool

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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
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