Support

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If a sheet is wrong, the most useful thing to send is which one: the pack name and the number at the top of the page. Faults are fixed at the source, so the correction reaches everybody on the next update rather than only whoever reported it.

Asked often

Do I need a printer?

Effectively yes, and that is the point rather than a limitation. Any printer will do — nothing on any sheet needs colour. Every sheet also saves as a PDF you can send to a print shop, a library or a work printer.

Does it work offline?

Completely. All 1,740 worksheets and 396 coloring pages are inside the app, and a shipped build makes no network requests at all.

Is there an answer key?

On most worksheets, printed as its own page after the child's — so a sheet can be handed over without handing over the answers. Sheets whose questions have no settled answer get a different second page instead: what a good answer contains, and the one thing to ask when you get a thin one.

Can I use these in a classroom?

Yes — print what you like, as many times as you like, for your own children or your own class. The terms say it properly.