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Single-Digit Addition Worksheets — Grade 1

Single-digit addition is where every young mathematician begins. On these free Grade 1 worksheets, children add two one-digit numbers so sums stay within 20 — perfect for building speed and confidence with the most important number facts of all. Because the problems are generated fresh every time, one page gives you unlimited practice.

SubjectMath
GradeGrade 1
SkillSingle-Digit Addition
FormatAuto-generated PDF + answer key

Create your Addition worksheet

Choose the options below and click 🔄 Regenerate for a brand-new set of problems — as many fresh worksheets as you like, no page reload. Then download the PDF or print it — with an answer key included.

Mastering basic facts like 6 + 3 or 8 + 5 makes everything that follows — bigger addition, subtraction, even multiplication — far easier. Print a set for morning work, homework or a quick timed drill, and use the built-in answer key to check in seconds.

Example single-digit addition problems

Here are a few sample problems like the ones this worksheet generates (with answers). Click Regenerate above for a brand-new set every time.

  1. 8 + 3 = 11
  2. 2 + 1 = 3
  3. 7 + 8 = 15
  4. 5 + 6 = 11
  5. 5 + 2 = 7
  6. 5 + 4 = 9
  7. 7 + 6 = 13
  8. 1 + 4 = 5
  9. 7 + 7 = 14
  10. 3 + 6 = 9

How to use these worksheets

  • Choose a difficulty and click Regenerate for a fresh set of problems.
  • Let beginners use fingers or counters at first.
  • Download the PDF (answer key on page 2) and print.
  • Practise a few minutes daily to build fact fluency.

Frequently asked questions

What is single-digit addition?

Single-digit addition means adding two numbers from 0 to 9, such as 4 + 5 = 9. It is the foundation of all later addition.

Are these worksheets free?

Yes — every worksheet is 100% free to generate, download and print, with no sign-up required.

How many worksheets can I make?

Unlimited. Each time you click Regenerate you get a brand-new set of problems and a fresh answer key.

More Grade 1 addition worksheets

All addition options 2-Digit Vertical Horizontal No Regrouping Adding 3 Numbers Missing Addend 2-Digit, No Regrouping Adding Doubles Number Bonds

Related worksheet tags

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