Bug reports or tool issues
Something not working as expected? Let us know which page, browser, and device you used.
NumberLine.cc support
Have a question, a suggestion, or just want to say hello? We'd love to hear from you.
Send us an email and we'll get back to you within 1-3 business days.
Primary contact
Use this address for site questions, bug reports, educator inquiries, partnership notes, content corrections, and privacy-related requests.
What to contact us about
Something not working as expected? Let us know which page, browser, and device you used.
Missing a topic, printable, worksheet type, or number line format you would like to see?
Using our tools in your classroom? We would love to hear how, and we can review specific resource needs.
Interested in working together on educational content, classroom resources, or related learning materials?
Spotted an error in one of our guides, examples, links, labels, or tool instructions?
Response time
We typically respond within 1-3 business days. Please note that we are a small independent team and do not offer real-time chat support.
Privacy note
Any information you share with us via email will be used solely to respond to your inquiry and will not be shared with third parties. For more details, please read our Privacy Policy.