Every worksheet in our library can be customized here. Pick a worksheet, press New numbers for a fresh set of problems, print up to five different versions at once, and keep or drop the answer key. Nothing is sent to our server: the worksheet is drawn in your browser.
How to customize a worksheet
- Choose a worksheet. Press Customize on any worksheet card, or search the list above by topic, skill or grade.
- Make it new. New numbers draws a fresh version of the same skill, with a matching answer key.
- Print several versions. Versions A to E cover the same skill with different numbers, so every child in a group gets their own sheet.
- Set it up your way. Change the title, turn the name and date line or the answer key on or off, and pick US Letter or A4.
- Download or print. The PDF keeps the worksheet pages first and all answer keys at the end.
Ideas for teachers and parents
- Test and retest: use version A for practice and version B as a quick check a week later.
- Stations: print a different version for each table so answers cannot be shared.
- Homework packs: press New numbers five times and print a sheet for each day of the week.
- Self-checking: give children the answer key page so they can mark their own work.
Frequently asked questions
4 quick answers
Are customized worksheets free?
Yes. Every worksheet and every version you make is free to print for home and classroom use, with no sign-up.
Will the answer key match my new numbers?
Yes. The answer key is drawn from the same numbers as the worksheet each time you press New numbers, so it always matches.
Can I get the same worksheet again later?
Yes. Press Copy share link and keep the link: it reopens exactly the same numbers and settings. If you have a free account, Save to My Sheets keeps it for you.
Why do some worksheets open a different maker?
Some worksheets, like addition and multiplication drills, have their own maker with extra settings such as number ranges. Their Customize button opens that maker instead.