Worksheet
Kindergarten
Adding to 5
Worksheet · K.OA.A.1
Free
Math · Curriculum resources
1-digit Addition Worksheets and Activities
Build a strong foundation in single-digit addition with this curated collection of K-2 resources. From adding within 5 to mastering sums within 20, these printable worksheets, interactive activities, and color-by-number games support every stage of early math development.
26 results
Worksheet
Kindergarten
Butterfly Addition
Worksheet · K.OA.A.3
$1.50
Worksheet
Kindergarten
Adding to 10 3 (with a 10 frame)
Worksheet · K.OA.A.4
$1.50
Worksheet
Kindergarten
Adding to 10
Worksheet · K.OA.A.2
$1.50
Worksheet
Kindergarten
Ladybug Addition
Worksheet · K.OA.A.3
Free
Worksheet
Kindergarten
Beetle Addition
Worksheet · K.OA.A.3
$1.50
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Worksheet
Kindergarten
Adding to 10 2 (with a 10 frame)
Worksheet · K.OA.A.4
$1.50
Worksheet
Kindergarten
Adding 1— 10
Worksheet · K.OA.A.3
$1.50
Worksheet
Kindergarten
Adding to 10 (with a 10 frame)
Worksheet · K.OA.A.4
Free
Worksheet
Grades K–1
Addition within 10 Color by Number — Zoo Animal Kangaroo - 2
Worksheet · K.OA.A.5
$1.50
Worksheet
Grades K–1
Addition within 10 Color by Number — Polar Bear
Worksheet · K.OA.A.5
$1.50
Worksheet
Grades K–1
Addition within 10 Color by Number — Cat Playing with Yarn
Worksheet · K.OA.A.5
$1.50
Worksheet
Grades 1–2
Addition within 20 Color by Number — Artic Animal Caribou
Worksheet · 1.OA.C.6
$1.50
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Worksheet
Grades 1–2
Addition within 20 Color by Number — Bunny with a Smiling Carrot
Worksheet · 1.OA.C.6
$1.50
Worksheet
Grades 1–2
Addition within 20 Color by Number — Crab holding a heart-shaped seashell
Worksheet · 1.OA.C.6
$1.50
Worksheet
Grade 2
Mental Math Addition
Worksheet · 2.OA.B.2
Free
Worksheet
Grade 2
Single Digit Addition: For 1
Worksheet · 2.OA.B.2
$1.50
Worksheet
Grade 2
Addition Math - 1s
Worksheet · 2.OA.B.2
$1.50
Worksheet
Grade 2
Single Digit Addition: For 6
Worksheet · 2.OA.B.2
$1.50
Worksheet
Grade 2
Single Digit Addition: For 4
Worksheet · 2.OA.B.2
$1.50
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40% off until Aug 1
Worksheet
Grade 2
Single Digit Addition: For 2
Worksheet · 2.OA.B.2
$1.50
Worksheet
Grade 2
Single Digit Addition: For 3
Worksheet · 2.OA.B.2
$1.50
Worksheet
Grade 2
Single Digit Addition: For 5
Worksheet · 2.OA.B.2
$1.50
Worksheet
Grade 2
Single Digit Addition: For 9
Worksheet · 2.OA.B.2
$1.50
Worksheet
Grade 2
Single Digit Addition: For 8
Worksheet · 2.OA.B.2
$1.50
Worksheet
Grade 2
Single Digit Addition: For 7
Worksheet · 2.OA.B.2
$1.50
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About these 1-digit Addition worksheets and activities
One-digit addition is the gateway to all future arithmetic. In kindergarten, students begin with concrete strategies like counting objects and using ten-frames to add within 5 and 10. By first grade, they move toward fluency with sums to 20, using mental strategies such as making ten and counting on. Second graders extend this fluency to recall addition facts within 20 automatically.
This hub brings together resources that scaffold that progression. You will find hands-on activities like ladybug and beetle addition for early learners, ten-frame worksheets for building number sense, and color-by-number puzzles that make fact practice engaging. Related concepts include part-part-whole relationships, commutative property, and the connection between addition and subtraction. Every resource is teacher-authored and designed to be no-prep, classroom-ready, and available in both printable PDF and interactive digital formats.
Using these in your classroom
Use this hub to meet every student where they are. For whole-group instruction, project an interactive color-by-number and solve together. In small groups, pair a ten-frame activity with counters for students who need concrete support. Independent workers can practice with printable worksheets or self-checking digital versions. The color-by-number resources double as engaging homework or early-finisher tasks. For intervention, pull a within-5 activity; for enrichment, offer within-20 puzzles. Mix printable and digital to accommodate devices or take-home needs. The range of themes from butterflies to polar bears keeps practice fresh across centers, morning work, and assessment.
Standards alignment
Resources align with Common Core standards for Operations and Algebraic Thinking across kindergarten through grade 2, including representing addition with objects and equations, fluently adding within 5 and 10, and demonstrating fluency with sums to 20.
Frequently asked questions
Are these 1-digit Addition worksheets printable?
Yes, every resource includes a print-ready PDF version. You can download and print them for classroom use, homework, or centers. Some resources also include a digital interactive version.
Are these 1-digit Addition worksheets for kids of all ability levels?
Absolutely. The collection spans from adding within 5 to within 20, so you can choose the right level for each student. Color-by-number and ten-frame activities make practice accessible and fun for all learners.
Do I need a membership to access these resources?
Some resources are free, but most require a paid Workybooks membership. Each resource page indicates whether it is free or part of the membership library.
Can I use these resources for both in-class and remote learning?
Yes. Each download includes a printable PDF for in-class use and an interactive digital version with answer key, perfect for assigning through Google Classroom or other platforms.