C4Y
The C4Y platform

Plan a lesson.
Run a class.
Review the work.

Organize course materials, teach with a whiteboard and presenter tools, collect assignments, and prepare follow-up in the same workspace.

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Lesson Planning

Arrange materials before class.

Arrange your slides, documents, media, and board activities in a purposeful sequence. Keep private notes and suggested timings close at hand.

  • Ordered Lesson Flows
  • Native Slides, PDFs, and Media
  • Private Speaker Notes
LESSON FLOW45 min

Quadratic Functions

01
Start with a QuestionWarm-Up · Native Slide
5 min
02
Make the Idea VisibleExplore · Whiteboard
15 min
03
Give It a TryPractice · Activity
15 min
04
Connect the DotsReflect · Discussion
10 min
  Your speaker notes stay private.

Interactive product overview. Sample content illustrates the workflow.

01 / Prepare

Build and reuse
lesson plans.

Organize a course into modules, pages, and assignments. Build each lesson from an ordered sequence of slides, files, media, and activities, with private notes beside every step.

  • Arrange native slides, documents, images, video, and audio.
  • Keep private drafts, speaker notes, and suggested timings.
  • Reuse a preparation board while preserving each class’s own work.
  • Organize course materials, announcements, and reading pages.
LESSON FLOW45 min

Quadratic Functions

01
Start with a QuestionWarm-Up · Native Slide
5 min
02
Make the Idea VisibleExplore · Whiteboard
15 min
03
Give It a TryPractice · Activity
15 min
04
Connect the DotsReflect · Discussion
10 min
  Your speaker notes stay private.
02 / Teach

Draw, annotate,
and present live.

Work through problems on the whiteboard, annotate a PDF, or move through prepared slides. Control what learners see while keeping your lesson plan and speaker notes private.

  • Draw with ink, add text, and work with shapes and graphs.
  • Bring images and PDF pages onto the teaching surface.
  • Keep the presenter view separate from the learner-facing stage.
  • Save board revisions and export a PDF to revisit later.
Algebra · Lesson 04Board 1 / 3
Making Connections

Graphing Quadratic Functions

y = x²
01   Explore the Pattern02   Explain Your Thinking
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03 / Practice

Collect assignments.
Review submissions.

Publish instructions, due dates, and rubrics. Learners submit text or files, and educators score the work and release feedback. Add single-choice practice with worked explanations.

  • Publish assignments with due dates and scoring rubrics.
  • Accept text and file submissions with revision history.
  • Record educator scores and release written or rubric feedback.
  • Build single-choice practice with worked explanations.
TRY A SAMPLE PRACTICE QUESTION

For y = 2x + 1,
what is y when x = 3?

Choose an answer to see worked feedback.

Illustrative activity · No learner data is collected.
04 / Follow up

Save the board.
Prepare the follow-up.

Export the class whiteboard as a PDF, choose materials to revisit, and write a recap with homework. Save the draft, return to it later, and review it before sharing.

  • Save and resume follow-up drafts.
  • Prepare a board PDF and choose materials to include.
  • Assign homework to selected learners and post course notices.
  • View course activity and practice results.

Organize the rest of the teaching week.

Manage course membership, schedule and reschedule classes, find course materials, and view course activity and practice results.

Explore Teaching Settings
See the platform

See your teaching
workflow in C4Y.

Walk through lesson planning, the classroom, assignments, and follow-up. Discuss availability, setup, and pricing with our team.

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