Free resource gallery
Practice sets, answer keys with solutions and classroom slides, made by Numoria for grades 4–8.
1 · No account
1
resource to download
2 · Free account
🔒 11
resources to download
3 · School email
🔒 20
resources to download
Create a free teacher or family account (adults only) to download the practice sheets and the answer keys with solutions. Sign up with your school email to also unlock the class slides.
All 40 answers to Practices 1–8 on one page, in Spanish and English and in grayscale for photocopying. Full solutions are in the answer key with solutions.
Answer key for all 40 problems with worked solutions: two methods, a kid trick and a typical trap for each.
Also in Spanish
Any email on your school’s or organization’s own domain, for example teacher@school.edu. Gmail, Hotmail, Outlook, Yahoo and iCloud addresses count as personal. We verify the email with a code when you sign in.
The student sheet and the answer key with solutions of every official contest, in Spanish and English, are now in Official contests.