CodePLU Goal
Upgrading Human Mental Models
Learn how to think in Workflows
Algebra Preview
Solving is undoing, in reverse order
An equation is a balance. Take off what was added last, undo the multiplication, and the letter is left standing on its own.
Drag nodes and connect the flow to understand the concept
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
Tracks In This Category
| Track | Parts | Duration | Level |
|---|---|---|---|
| Your First Steps in Algebra Four parts in the order that makes algebra make sense rather than the order it is usually taught. Find out what a letter actually stands for, learn to tell an equation from an expression, understand why both sides must change together — and only then solve for x, by which point the method is obvious instead of arbitrary. | 4 | 44 min | Beginner |