Set it up
Code injects the mistakes. Every answer key is exact.
Names appear on printed sheets and the shared link.
Your preview will appear here after you generate.
What this tool makes
Short sentences or a paragraph with mistakes in the exact skills you choose, laid out as a daily page or weekly packet. The AI writes only correct sentences and code injects the mistakes, so every answer key is exact. Includes versions A B C, a proofreading marks guide, teacher notes, and a digital Edit it mode.
How it works
- Pick skills, format, and difficulty.
- Click Generate — AI writes correct sentences, code injects the mistakes.
- Every answer key is exact. Print, share, or make versions A B C.
FAQ
Are the answer keys always correct?
Yes. The AI writes correct sentences, and code injects every mistake. The answer key is built from the clean text, so it's always exact.
Can I print in black and white?
Yes. Black-and-white mode uses bold and underline to highlight changes in the answer key.
Is there a digital version?
Yes. Students edit sentences one at a time, with gentle feedback and read-aloud.
Ready to try it?