Resources

Curated tools and sites to build reasoning, spatial thinking, and visual math skills. All suitable for ages 11-16.

Visual Algebra

See equations come alive — manipulate, graph, and explore algebra visually.

Interactive courses that build intuition through visual problem-solving. The gold standard for learning math by doing.

A digital canvas with algebra tiles, balance scales, and 50+ virtual manipulatives for hands-on math exploration.

Instantly visualize equations with sliders and animations. Used in classrooms worldwide.

Dynamic algebra visualizations, geometry constructions, and thousands of community-created activities.

Balance-scale and hanger-diagram exercises that build intuition for solving algebraic equations.

Train your brain to rotate, fold, and visualize shapes in 2D and 3D.

Interactive spatial challenges involving 3D shapes, cross-sections, and geometric transformations.

Classic tangram puzzles that develop spatial visualization and shape composition skills.

Fill grids with given shapes — a simple, addictive way to build spatial awareness.

Spot patterns, complete sequences, and think without words.

Puzzles and problems from Cambridge that build pattern recognition and visual logic. Low floor, high ceiling.

Hundreds of quizzes covering shape sequences, rotations, reflections, and pattern matching.

Sharpen your logical thinking with increasingly challenging problems.

An adaptive system that delivers problems at your level and scales up as you improve. The best free tool for building mathematical reasoning.

Puzzles in propositional logic, deduction, and strategic thinking — made visual and interactive.

Neuroscience-backed brain training games targeting reasoning, memory, and problem-solving.