Addition Worksheets
Master addition worksheets with unlimited practice problems. Customize difficulty and generate fresh worksheets every time.
Start Vertical
Use column format to teach place value and regrouping before moving to horizontal.
Build Speed
Once concepts are solid, switch to horizontal format for mental math fluency.
Challenge Thinking
Missing number problems develop algebraic reasoning and number sense.
Free Addition Worksheets for All Grade Levels
Our free printable addition worksheets help students build foundational math skills. From basic single-digit addition to multi-digit problems with regrouping, we have worksheets for every skill level.
Addition Facts by Grade Level
- Kindergarten-1st: Single digit addition (1+1 to 9+9)
- 2nd Grade: Two-digit addition without regrouping
- 3rd Grade: Two-digit addition WITH regrouping (carrying)
- 4th Grade: Three-digit and four-digit addition
Understanding Regrouping (Carrying)
Regrouping happens when the sum of a column is 10 or more. You "carry" the tens digit to the next column:
Example: 37 + 45
7 + 5 = 12 → write 2, carry 1
3 + 4 + 1 = 8
Answer: 82