Addition Worksheets Within 20
Free addition worksheets with sums up to 20. Perfect for 1st and 2nd grade students learning basic math facts. Printable PDF with adjustable problem count.
Customize Worksheet
Problem Settings
Layout Settings
Print accuracy & responsibility
This tool is part of our Labs collection and is still under active refinement.
It is great for exploration, prototyping, and teaching, but you should validate dimensions with a physical ruler before relying on it for client work, manufacturing, or assessments.
For math and worksheet layouts, confirm that grid spacing and answer areas align with your grading or exam format.
Technical Specifications
Tool Type
Educational Generator
Output Format
Printable PDF (Vector Quality)
Paper Sizes
A4 (210 x 297 mm) & Letter (8.5 x 11 in)
Operation
Addition
Number Range
0 to 20
Addition Within 20 Worksheets
This worksheet set focuses on addition problems with sums up to 20. It is ideal for 1st and 2nd grade students who are moving beyond counting on fingers and starting to recognize addition facts automatically.
Best for:
- Daily warm-up practice in early elementary classrooms.
- Extra homework support for kids who need more repetition.
- Short timed drills to build confidence and fluency.
You can adjust the number range, problem count, and layout to match each learner's level, from gentle review to challenging mixed facts within 20.