Addition and Subtraction Worksheets up to 20 — Free Printable PDF

Everything on this page is drawn as vector line work, so it prints sharp at any size. Here is exactly what this tracing activity trains and how to get the most out of one printed copy.

What your child actually practices here

• Letter formation from memory: the model line, the dotted line and the free line move the child from copying to writing alone.
• Line control: staying between the ruled bands is what makes handwriting legible, more than the shape of the letter itself.
• Left-to-right sweep: the eyes learn the reading direction while the hand works.
• Directionality: every stroke starts at the dot and follows the arrow, which is exactly the motor pattern schools ask for later.

Best age range and how to adapt it

• 3 to 4 years: expect an adult to work alongside the child and to finish only part of the page — that is a complete session at this age.
• 5 to 6 years: the child should manage the sheet alone in about ten minutes and want to show the result.
• 7 years and up: use it as a warm-up before harder work, or ask for a personal variation (new colors, an invented title, a second page).

What you need

• A4 or US Letter paper (plain 75g is enough — the file is vector, so it stays sharp)
• A pencil, or thick crayons for children under five
• Optional: a plastic sleeve or laminating pouch plus a dry-erase marker to reuse the sheet

A 15-minute plan you can follow today

• Set up: table cleared, one pencil, no screen in the line of sight.
• Work: one single sheet. Two pages in a row is the fastest way to turn a good activity into a chore.
• Close: ask the child to explain what they did — the explaining is where the learning is consolidated.

Five ways to reuse the same sheet

• Ask for a word that starts with that letter at the end of each line.
• Trace first with a finger, then with a pencil — the motor memory is stronger.
• Use a different color per stroke to make direction visible.
• Laminate and repeat daily for a week; progress is obvious when you compare Monday to Friday.
• Write the same letter big on a board first, small on paper after.

Common mistakes (and the quick fix)

• Printing at reduced scale: always choose “fit to page” or “actual size”; shrinking the sheet makes the lines too tight for small hands.
• Correcting every stroke: pick one point of feedback per session and let the rest go.
• Doing several sheets in a row: the second page is almost always worse than the first.

Frequently asked questions

Is this addition and subtraction worksheets up to 20 printable really free?

Yes. The PDF downloads directly, with no sign-up, no email and no watermark. You can use it at home and in the classroom.

Can I print it for my whole class?

Yes. Print one copy and photocopy it, or print as many as you need. The only restriction is reselling the file itself.

What paper size should I use?

The file is built for A4 and prints perfectly on US Letter as well — just keep the printer on “fit to page”.

Will it print well in black and white?

Yes. Everything is vector line work, so a plain black-and-white laser or inkjet printer gives a clean result.

Can I reuse the same sheet?

Put it inside a plastic sleeve or laminate it and use a dry-erase marker. One print then lasts for months.

Keep a folder with the finished sheets. Progress in handwriting and attention is only visible when you compare two weeks apart.