Assess by criteria without losing your evenings
Your personal MathCracks workspace: your region’s official subjects and assessment criteria, your classes and students, assignments graded criterion by criterion and a summary ready for the assessment meeting. No school contract needed.
Free to start · all 17 regions plus Ceuta and Melilla · ESO years 1 to 4
Your region’s criteria
Subjects and assessment criteria published for your region and year, with the key competences of Royal Decree 217/2022.
Classes and students by alias
Up to 35 students with an alias and a class code: no emails, no surnames and no family data.
Assignments by criterion
Create an assignment, choose which criteria it assesses and grade each student. Every change is kept in the history.
Assessment summary
Average, latest or best mark, with weights per criterion and key competences. Download it as Excel or as a draft record in PDF.
AI grading, if you want it
Grade paper exams from a photo and generate exams from your syllabus. It runs on tokens: during launch we activate them on request.
Your data, under control
One teacher per workspace: only you see your classes, students and grades.
In three steps
- 01
Sign up
Choose your region, subjects and ESO years.
- 02
Create your class
Add your students with an alias and share the class code.
- 03
Assess and download
Grade each assignment by criteria and download the summary when assessment comes.
The Excel file and the draft record are not official documents: they save you copying marks by hand, but the decision and the signature remain yours.
In pilot: student practice in the MathCracks app, currently for Year 3 ESO Mathematics in Castilla y León.
Price
Creating your workspace, organizing your classes and assessing by criteria is free. AI grading and generation use tokens; contact us and we will activate them.
Frequently asked questions
Does my school need to use MathCracks?
No. The personal workspace is yours and works even if your school does not use MathCracks.
What student data do you keep?
Only the alias you choose (3 to 20 characters). We do not ask for emails, surnames or family data.
Which regions and years does it cover?
All 17 Spanish regions plus Ceuta and Melilla, ESO years 1 to 4, with the subjects that have published criteria for your region.
Is the record official?
No. It is a draft to save you work; the official record is still your school’s.
MathCracks Education System
Choose your starting point
Six products, each with its own audience and way to get started.
For schools and their students
MathCracks Mobile App
Adaptive practice to work on student difficulties and track progress, connected to support from their school.
Explore this product
For teaching teams
Control Your Class (CYC)
Error patterns, understanding maps, data and alerts to decide what to explain again, who needs help and how to follow their progress.
Explore this product
For publishers
MathCracks Editorial
Data and signals about textbook lessons to interpret difficulties and guide content improvements.
Explore this product
For universities
MathCracks University
Subject-based work and institutional follow-up to support learning in each degree program.
Explore this product
For independent teachers
MathCracks Profe
A free personal workspace for secondary teachers in Spain: regional criteria, assignments graded by criterion and an Excel summary.
Explore this productFor students and families
MathCracks en Casa
The app for families: a short daily session with Cubi, handwriting and support for dyslexia, ADHD or dyscalculia. Ages 5 to 18.
Explore this productTools across subjects. Adaptive practice and available content depend on each product and its configuration.
Product interface with demonstration data; these are not customer outcomes.