Free for every teacher · no account needed

Free classroom tools

Timers for the classroom screen, printable worksheets with answer keys, and ready-made lesson plans. Everything here works in your browser, prints on letter paper and needs no sign-up.

In the classroom

Printable worksheets

Every sheet has a name and date line and an answer key. See all worksheets.

Math figures

Coordinate grids, number lines, shapes, 3D solids and more. See all 19 math figures.

Physics figures

Free body diagrams, circuit diagrams, waves, motion graphs and more. See all 9 physics figures.

Lesson plans

Want lessons and worksheets on your own topic?

With a Mark Smarter account you can make a lesson plan or a worksheet for the exact thing you’re teaching, from fractions to the water cycle, with an answer key, then change it, print it or save it for next year. You can also save the free worksheets above and print up to four versions of each. Request an account.