About TRISTAN
Know what every student is thinking — not just whether they got it right.
TRISTAN assesses students’ handwritten solutions to Exemplars performance tasks, so teachers get rich insight into mathematical thinking across the whole class in minutes, and can spend their time on instruction instead of scoring.
How it works
- 1
Students solve
Students work an Exemplars performance task on paper, showing their thinking in their own way.
- 2
Teachers capture
Snap a photo or scan the class set. TRISTAN reads the handwriting, drawings and all.
- 3
TRISTAN assesses
Each solution is assessed against the rubric, and class and student reports are ready for review.
Grounded in the Exemplars rubric
Five areas of mathematical practice, four levels of performance, and an explanation for every judgment, so teachers can see why, not just what.
- Problem Solving
- Does the student understand the problem and choose a strategy that works?
- Reasoning & Proof
- Is the thinking sound, and does the student justify it?
- Communication
- Can someone else follow the solution and its math language?
- Connections
- Does the student link this problem to other math or the real world?
- Representation
- Are diagrams, tables and models used to organize and show thinking?
The full platform
This demo is a slice of what teachers use every day.
Snap, scan or upload
Photograph work with a phone, scan a class set as one PDF, or upload images. TRISTAN splits a class packet by student.
Rubric-based assessment
Every solution is assessed on the five Exemplars rubric areas at Novice, Apprentice, Practitioner or Expert, with a written rationale for each.
Class heat maps
See at a glance where the whole class is strong and where it needs support, per task and per rubric area.
Class & student reports
AI-written reports surface strengths, areas to grow, common misconceptions and concrete next steps.
Teachers stay in charge
Teachers review every assessment, correct any level, and their corrections make TRISTAN better.
Built for student privacy
Student names can be masked on our own servers before any page reaches the AI model.
Bring TRISTAN to your school
We’re partnering with schools and districts on pilots. Tell us a little about yourself and we’ll be in touch, or email us at info@tristanai.com.