Lesson 01 · Bar Models
Bar Models — A Complete Journey
From your first picture to your first equation.
Five chapters · click for sidebar navigation
1 · Basics of a Bar
2 · Working Backwards
3 · Ratios & Ages
4 · Bridge to Algebra
5 · Mastery + Final Test
Sidebar TOC
Mini-quizzes
SVG diagrams
Lesson 02 · Distance, Speed & Time
Distance, Speed & Time
How fast, how far, how long — and the three short rules that connect them.
Five chapters · click for sidebar navigation
1 · Rate, Distance, Time
2 · Coming Together
3 · Catching Up
4 · Moving Medium (boats / wind)
5 · Mastery + Final Test
NEW · whole lesson
D = R × T worked from all sides
Average speed trap
Method 01 · The Magic Wand
The Magic Wand Method
One wave at a time — gradual transformation.
Four chapters · click for sidebar navigation
1 · Discover the wand
2 · Same wand, new costumes
3 · Formula behind the wand
4 · Mastery + Final Test
Interactive widgets
Sidebar TOC
Mini-quizzes