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Addition Within 20 1st Grade Math Worksheets FREE | 1.OA.C.6
Addition Within 20 1st Grade Math Worksheets FREE | 1.OA.C.6
Addition Within 20 1st Grade Math Worksheets FREE | 1.OA.C.6
Addition Within 20 1st Grade Math Worksheets FREE | 1.OA.C.6
Addition Within 20 1st Grade Math Worksheets FREE | 1.OA.C.6
Addition Within 20 1st Grade Math Worksheets FREE | 1.OA.C.6
Addition Within 20 1st Grade Math Worksheets FREE | 1.OA.C.6
Addition Within 20 1st Grade Math Worksheets FREE | 1.OA.C.6
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Description

Addition up to 20 Worksheets – Fun & Engaging Math Practice for 1st Grade!

Looking for an easy and fun way to boost addition skills? These Addition up to 20 Worksheets are exactly what you need! Designed for 1st grade learners, this no-prep resource helps students practice 2-digit addition and master addition within 20 through both horizontal and vertical formats. With clean visuals and kid-friendly layouts, math time becomes something students look forward to!

❤️ What’s Included?
✔ 2 printable worksheets (mix of horizontal and vertical formats)
✔ 2 matching answer keys for quick and easy grading
✔ Total: 4 pages in a high-quality PDF file
✔ Just print and go—no prep required!

❤️ Aligned with Common Core Standards (CCSS):
✔ 1.OA.C.6 – Add within 20, demonstrating fluency for addition within 10

❤️ Key Features:
✅ Targets Addition to 20 and Addition within 20
✅ Includes 2-digit addition in both horizontal & vertical layouts
✅ No Prep Needed – Ideal for busy classrooms or homeschooling
✅ Clear & Organized – Simple format for easy student focus
✅ Encourages Math Confidence – Great for review and reinforcement

❤️ Perfect For:
✔ Daily Math Practice
✔ Early Finishers & Morning Work
✔ Math Centers & Intervention Groups
✔ Homework & Sub Packets
✔ Extra Practice at Home

❤️ Why Teachers & Parents Love It:
✔ Time-Saving – Answer keys included for hassle-free grading
✔ Flexible Use – Great for classrooms, homeschool, or tutoring
✔ Builds Core Skills – Supports fluency in addition within 20
✔ Simple Yet Effective – Designed to support all learners

Make your math block stress-free and effective with these engaging Addition up to 20 Worksheets. Perfect for helping young learners build a strong foundation in 2-digit addition and develop fluency with addition within 20.

Click Download Now to make learning math fun and meaningful for your students!

❤️Follow us on social media for the latest news, freebies, and exclusive promotions!❤️

This is the perfect place to:

Discover free teaching materials to enhance your classroom. Access practical teaching strategies tailored for young learners. Connect with fellow teachers to share ideas, experiences, and resources.

Join us to grow, collaborate, and make teaching more fun and impactful for kids!

Report this resource to TPT
Reported resources will be reviewed by our team. Report this resource to let us know if this resource violates TPT's content guidelines.

Addition Within 20 1st Grade Math Worksheets FREE | 1.OA.C.6

Rated 5 out of 5, based on 1 reviews
5.0 (1 rating)
Taketing Academy
170 Followers
FREE

Highlights

Digital downloads
Grades icon
Grades
1st
Standards icon
Standards
Pages
4 total (2 worksheets)
Answer Key
Included

Save even more with bundles

Make math practice fun, consistent, and stress-free with this ultimate Addition Worksheets Bundle!With 150 engaging worksheets and 150 matching answer keys, your students will build strong addition skills from numbers within 10 all the way to 100. Perfect for daily practice, homework, or math center
Price $12.00Original Price $15.00Save $3.00
6

Description

Addition up to 20 Worksheets – Fun & Engaging Math Practice for 1st Grade!

Looking for an easy and fun way to boost addition skills? These Addition up to 20 Worksheets are exactly what you need! Designed for 1st grade learners, this no-prep resource helps students practice 2-digit addition and master addition within 20 through both horizontal and vertical formats. With clean visuals and kid-friendly layouts, math time becomes something students look forward to!

❤️ What’s Included?
✔ 2 printable worksheets (mix of horizontal and vertical formats)
✔ 2 matching answer keys for quick and easy grading
✔ Total: 4 pages in a high-quality PDF file
✔ Just print and go—no prep required!

❤️ Aligned with Common Core Standards (CCSS):
✔ 1.OA.C.6 – Add within 20, demonstrating fluency for addition within 10

❤️ Key Features:
✅ Targets Addition to 20 and Addition within 20
✅ Includes 2-digit addition in both horizontal & vertical layouts
✅ No Prep Needed – Ideal for busy classrooms or homeschooling
✅ Clear & Organized – Simple format for easy student focus
✅ Encourages Math Confidence – Great for review and reinforcement

❤️ Perfect For:
✔ Daily Math Practice
✔ Early Finishers & Morning Work
✔ Math Centers & Intervention Groups
✔ Homework & Sub Packets
✔ Extra Practice at Home

❤️ Why Teachers & Parents Love It:
✔ Time-Saving – Answer keys included for hassle-free grading
✔ Flexible Use – Great for classrooms, homeschool, or tutoring
✔ Builds Core Skills – Supports fluency in addition within 20
✔ Simple Yet Effective – Designed to support all learners

Make your math block stress-free and effective with these engaging Addition up to 20 Worksheets. Perfect for helping young learners build a strong foundation in 2-digit addition and develop fluency with addition within 20.

Click Download Now to make learning math fun and meaningful for your students!

❤️Follow us on social media for the latest news, freebies, and exclusive promotions!❤️

This is the perfect place to:

Discover free teaching materials to enhance your classroom. Access practical teaching strategies tailored for young learners. Connect with fellow teachers to share ideas, experiences, and resources.

Join us to grow, collaborate, and make teaching more fun and impactful for kids!

Report this resource to TPT
Reported resources will be reviewed by our team. Report this resource to let us know if this resource violates TPT's content guidelines.

Reviews

5.0
Rated 5 out of 5, based on 1 reviews
1
rating
All verified TPT purchases
Awesome resource!
Rated 5 out of 5
February 4, 2026
This resource is great to use while teaching addition and subtraction! I love using it as independent practice for my 1st grade class!
Karissa A.
46 reviews
Grades taught: 1st
Taketing Academy
Response from
Taketing Academy
(TPT Seller)
Feb 5, 2026

Dear Karissa A.,

Thank you for your wonderful review! It's gratifying to know that my work is positively impacting.

Sincerely,Taketing Academy

Questions & Answers

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Standards

to see state-specific standards (only available in the US).
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).
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