Addition — Grade 3 — Numbers 1–20
Free printable addition worksheets for grade 3 focused on numbers 1–20. Randomized problems; optional answer key. PDF.
Customize this template with your preferred settings, preview live, and download as PDF.
Customize & Download PDFHow to Make Addition — Grade 3 — Numbers 1–20
- Step 1
Open the Addition Worksheets generator
Start from the main Addition Worksheets tool so you can adjust the printable instead of downloading a fixed image.
- Step 2
Match the variation settings
Use the controls to match this Addition — Grade 3 — Numbers 1–20 use case, including paper size, layout, color, difficulty, or other available options.
- Step 3
Preview the printable
Check the live preview to confirm spacing, labels, line weight, and printable area before creating the PDF.
- Step 4
Download or print the PDF
Download the browser-generated PDF or print it directly. For exact sizing, use actual size or 100 percent in your printer dialog.
About Addition — Grade 3 — Numbers 1–20
Help your third grader master addition within 20 with these free, printable worksheets from PrintableMake. Designed specifically for grade 3 students, each worksheet generates random problems using numbers 1 to 20, ensuring fresh practice every time. The clean, age-appropriate layout keeps kids focused, and an optional answer key makes grading or self-checking easy. Perfect for building fluency with sums up to 20, these worksheets align with common core math standards for addition and subtraction within 20. Simply set the number range to 1–20 in our Addition Worksheets tool, choose your problem count, and print—no sign-up required. Whether for classroom warm-ups, homework, or extra practice at home, these worksheets provide targeted, no-prep support for developing quick recall of addition facts.
Best For
- Grade 3 students practicing addition facts with sums up to 20
- Teachers needing quick, randomized worksheets for math centers or morning work
- Homeschool parents reinforcing addition fluency within 20
- Tutors providing extra practice on basic addition facts
- Parents helping children build speed and accuracy with numbers 1–20
- Creating a Grade 3 Addition (1–20) printable quickly
Recommended Settings
- Set number range to 1–20 in the Addition Worksheets tool
- Choose 20–30 problems per page for focused practice
- Select portrait orientation for standard worksheet layout
- Enable the answer key for self-checking or quick grading
- Print on 8.5x11 paper for easy handling
- Start from the Addition Worksheets generator linked above
When to Choose a Different Paper
This template is strongest when the grid size, paper size, and line style match your assignment or project. Consider a different printable when one of these caveats applies:
- Students who have not yet mastered counting to 20
- Advanced learners ready for addition with regrouping (numbers >20)
- Children needing visual aids like number lines or counters (these are plain worksheets)
- Projects that need fully custom text layout beyond the generator controls
Frequently Asked Questions
How do I generate a grade 3 addition worksheet with numbers 1–20?
Go to PrintableMake's Addition Worksheets tool. Under number range, set the minimum to 1 and maximum to 20. Choose your problem count and layout, then click 'Generate' to create a PDF. Print directly or download for later.
Are these worksheets aligned with Common Core standards?
Yes, they support standard 3.OA.D.9 for addition within 20 and fluency with basic facts. They also reinforce the relationship between addition and subtraction within 20.
Can I include an answer key?
Absolutely. In the generator, there is an option to 'Show answer key.' Toggle it on before generating the PDF. The answer key will appear on a separate page.
Are the problems different each time I print?
Yes, each time you generate a worksheet, the problems are randomized. This allows unlimited unique practice sheets without repetition.