LessonSlate for curriculum publishers

A silent 78-second film. Everything it says, in order:

For curriculum publishers
One problem type.
One complete lesson.
On video.

A real lesson from our Algebra 2 catalogue
[On screen] The problem: A research team at Zenith Materials is developing a new protective polymer coating called ApexGlow. During its specialized curing process, an initial layer of 0.35 mm increases its thickness by 8.5% every hour. Determine, to the nearest tenth of an hour, how long it takes for the ApexGlow coating to reach a final desired thickness of 1.2 mm.
Solving for time in exponential growth · 10 min 18 s

Built around the mistakes students actually make.
[On screen] The lesson whiteboard: Naomi writes 1.2 − 0.35 = 0.85; the step is struck through in red with the warning “Attempted to subtract a coefficient that was multiplying the exponential term instead of dividing”; then the corrected step 1.2 ÷ 0.35 = 3.42857… appears.
Naomi: I think I should maybe subtract the 0.35 from both sides first?
Ms. Rivera: …the 0.35 is being multiplied by the exponential term… we need to undo that multiplication first.
Naomi: Oh, right! It's being multiplied, so I need to divide!

Every step on the whiteboard, all the way to the answer.
[On screen] The last step on the whiteboard: 0.53509… ÷ 0.03543… = 15.107… hours.
[On screen] Final answer: 15.1 hours.

What arrives with every lesson
A 1080p video
Captions written from the script
A transcript, whiteboard included
A SCORM 1.2 package that reports completion and score
[On screen] A quiz question from the lesson: “A student makes this mistake: ‘In bˣ the expression means b multiplied by x.’ Which response corrects it?” with four answer options.
Every question starts from a mistake real students make. No option is made up.

In every new lesson
Captions that name each speaker
A transcript that includes the whiteboard
Every diagram described aloud
Accessibility statement available on request

Every problem is written by us.
No textbook problem is an input.
Lessons regenerate when a standard changes. No studio re-shoot.

[On screen] LessonSlate
Algebra 1 · Algebra 2 · Geometry
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