Free resource gallery
Practice sets, answer keys with solutions and classroom slides, made by Numoria for grades 4–8.
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resource to download
2 · Free account
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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.
Answer key for all 40 problems with worked solutions: two methods, a kid trick, a typical trap and a recap per practice.
Also in Spanish
Answer grid and step-by-step solutions for all 20 problems, with another method, a typical trap and a check.
Also in Spanish
Answer key for all 16 problems on one page plus a worked solution for each, with another way, a check, a diagram and the typical mistake.
Also in Spanish
Answer key for all 25 problems on one page plus a worked solution for each, with another way, a check, a figure and the typical mistake.
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.