Introsort Technologies
100,000+ Questions Graded

The operatingsystem for mathclassrooms

Students keep working on paper. Frizzle reads every page in real time - turning handwritten work into the granular data K-12 math has never had: who's stuck, which misconceptions are spreading, what each student needs next.

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problems read

2,419

teachers

~8 min

avg. per class

📷Snap a stack. Get a class.

Period 3 · Algebra I · Mr. Vega

● Live

Maya R.

Unit 4 · Quiz · 10/14

1. Solve 3(x + 2) = 21

3x + 6 = 21

nice distribution!

3x = 15

x = 5 ✓

2. Solve 2x - 5 = 4x + 3

-5 - 3 = 4x - 2x

-8 = 2x

x = 4

3. Factor x² - 9

(x - 3)(x + 3)

Score

8/10

B

What Maya Needs

Distributive property

Solid - applies cleanly across problems.

!Sign tracking

Drops negative signs when moving terms across the equals sign.

✦ Class read in

~8min

23of 28 papers

Ms. Chen flagged 3 misconceptions before lunch.

How Frizzle Works

From paper to insight in three
steps

No new workflow for students. No tablets, no logins, no migration. Frizzle slots into the way teachers already teach.

01

Snap a stack

Phone, doc cam, or scanner. Frizzle reads handwritten work, ingests classroom photos, and links every page to the right student automatically.

~30s for a class
02

Frizzle reads everything

Computer vision parses each step of student work - not just the final answer. It understands multiple solution paths and tags every misconception.

~8 min per class
03

See the whole class

Live dashboards show who's stuck, which mistakes are spreading, and what to teach tomorrow - for one period or the whole district.

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