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1. This bundle has everything you need to reinforce the fundamental math skills listed in the 1st grade Common Core Math Operations and Algebraic Thinking standards. The printables are kid-friendly to keep them engaging, not overwhelming. They can be used for classwork, math centers, homework, and even
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These worksheets will help your students understand subtraction as an unknown-addened problem. This skill will help them see how subtraction and addition are related. This set focuses on first grade Common Core math standard OA.B.4, but you don't necessarily have to follow Common Core to teach this skill. It is a fundamental skills for young students to develop better understanding of rudimentary addition and subtraction. These math worksheets are ideal for first and second grade. There are 20 pages in total.

CCSS.MATH.OA.B.4

Understand subtraction as an unknown-addend problem. For example, subtract 10 - 8 by finding the number that makes 10 when added to 8.

MORE MATH PRINTABLES:

[OA.A.1] Word Problems 2 Whole Numbers

[OA.A.2] Word Problems 3 Whole Numbers

[OA.B.3] Addition (Associative and Commutative Properties)

[OA.D.7] True or False Equations

[OA.D.8] Unknown Numbers

[MD.C.4] Data and Graphing

[MD.B.3] Time (Hours and Half-Hours)

[MD.B.3] Time (Quarter Hours) *bonus

LANGUAGE RESOURCES

Literacy Center Activities

Phonics Resources

PowerPoint Lessons

CLASSROOM POSTERS

Synonym Posters

Synonym Posters - SPANISH

Antonym Posters

Suffix Posters

Prefix Posters

Parts of Speech Posters

Genre Posters

Dolch Sight Word Cards

Phonics Posters

If you have any questions, please feel free to contact me at mschloesclass@gmail.com.

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Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.
Total Pages
20 pages
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