Support

Found a mistake on a sheet, want a skill or theme, or stuck on something? Email support@zubin.dev. Every message is read.

Reporting a mistake

Include the code from the sheet's footer (like 3OAA2-SP-T5835) or copy the sheet's link, and say which problem looks wrong. The code brings back the exact sheet, so it can be fixed quickly.

Printing tips

Use your browser's print dialog, with margins set to "Default" or "None" and scale at 100%. Choose Letter or A4 in the sheet's Options menu. To keep a PDF, pick "Save as PDF" as the printer.

This page is about the worksheets site. The Mathness! app for iPhone and iPad has its own support page.