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Explore Our Courses

Master mathematics through culturally relevant lessons that connect ancient African wisdom to modern applications

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All 32 courses are free during beta testing! All courses are free during our 30-day beta testing period (ends April 18, 2026).
32 courses
Premium
Calculus III
advancedCollege
Calculus III
Multivariable calculus, vectors, and partial derivatives
Calculus
10 lessons
Chidi
Premium
Data Science
advancedHigh School 9-12
Data Science
Modern data analysis, visualization, and machine learning - ETHS innovative course
Statistics
2 lessons
Chidi
beginnerElementary K-2
Kindergarten Mathematics
Foundation mathematics for kindergarten students covering numbers 1-20, shapes, patterns, counting, and comparing. Features African counting systems, the Ishango Bone, and age-appropriate cultural connections.
Elementary Math
10 lessons
Chidi
Premium
Geometry
advancedHigh School 9-12
Geometry
Explore geometric principles through proofs, constructions, and spatial reasoning - ETHS standard pathway
Geometry
8 lessons
Chidi
Premium
Calculus I
advancedCollege
Calculus I
Limits, derivatives, and applications of differentiation
Calculus
8 lessons
Chidi
Counting & Numbers
beginnerPreschool
Counting & Numbers
Learn to count and recognize numbers through African counting games and traditions
Number Sense
5 lessons
Chidi
Premium
Finite Mathematics
advancedHigh School 9-12
Finite Mathematics
Applied mathematics for business and social sciences - ETHS pathway
Applied Math
10 lessons
Chidi
Premium
Geometry in Construction
advancedHigh School 9-12
Geometry in Construction
Learn geometry by designing and building SASH homes - ETHS innovative course inspired by Dr. Ruby Mendenhall's research
Geometry
4 lessons
Chidi
Premium
Algebra 2
advancedHigh School 9-12
Algebra 2
Advanced algebra with exponential, logarithmic, and rational functions - ETHS standard pathway
Algebra
10 lessons
Chidi
Place Value & Number Sense
beginnerElementary K-2
Place Value & Number Sense
Understand place value using base-10 blocks and African counting systems
Number Sense
5 lessons
Chidi
Premium
Probability & Statistics
advancedCollege
Probability & Statistics
Probability theory and statistical inference - featuring David Blackwell's groundbreaking work
Statistics
12 lessons
Chidi
Algebra Part 2 (8th Grade)
advancedMiddle School 6-8
Algebra Part 2 (8th Grade)
Complete algebra with quadratics, functions, and polynomials - Evanston District 65 pathway
Algebra
10 lessons
Chidi
Premium
AP Precalculus
advancedHigh School 9-12
AP Precalculus
Prepare for calculus with trigonometry, polar coordinates, and limits - ETHS AP pathway
Precalculus
10 lessons
Chidi
Premium
AP Calculus BC
advancedCollege
AP Calculus BC
Advanced calculus with series, parametric equations, and polar functions - ETHS AP pathway
Calculus
10 lessons
Chidi
Premium
Calculus II
advancedCollege
Calculus II
Integration techniques, applications, and infinite series
Calculus
10 lessons
Chidi
Premium
Abstract Algebra
advancedCollege
Abstract Algebra
Groups, rings, and fields in modern algebra
Algebra
10 lessons
Chidi
beginnerElementary K-2
2nd Grade Mathematics
Second grade mathematics covering addition and subtraction to 100, place value to 1000, time, money, measurement, and data. Features African mathematical traditions and cultural connections.
Elementary Math
12 lessons
Chidi
Algebra Part 1 (7th Grade)
intermediateMiddle School 6-8
Algebra Part 1 (7th Grade)
Master linear equations, graphing, and systems - Evanston District 65 pathway
Algebra
10 lessons
Chidi
Pre-Algebra (6th Grade)
intermediateMiddle School 6-8
Pre-Algebra (6th Grade)
Build algebraic thinking with integers, expressions, and equations - Evanston District 65 pathway
Pre-Algebra
10 lessons
Chidi
Addition & Subtraction
beginnerElementary K-2
Addition & Subtraction
Master addition and subtraction through culturally relevant stories and games
Arithmetic
5 lessons
Chidi
Shapes & Patterns
beginnerPreschool
Shapes & Patterns
Explore shapes and patterns found in African art and textiles
Geometry
5 lessons
Chidi
Premium
AP Calculus & Linear Algebra
advancedCollege
AP Calculus & Linear Algebra
Multivariable calculus and linear algebra - ETHS advanced pathway
Calculus
10 lessons
Chidi
beginnerElementary K-2
1st Grade Mathematics
First grade mathematics covering addition and subtraction to 20, place value, measurement, time, and money. Features African mathematical heritage and Black mathematicians.
Elementary Math
12 lessons
Chidi
Premium
Algebra in Entrepreneurship
advancedHigh School 9-12
Algebra in Entrepreneurship
Apply algebra to business, finance, and Black entrepreneurship - ETHS innovative course
Algebra
2 lessons
Chidi
Premium
AP Statistics
advancedHigh School 9-12
AP Statistics
Statistical analysis and data science - ETHS AP pathway
Statistics
10 lessons
Chidi
Premium
AP Computer Science Principles
advancedHigh School 9-12
AP Computer Science Principles
Computational thinking and programming fundamentals - ETHS AP pathway
Computer Science
10 lessons
Chidi
Premium
Linear Algebra
advancedCollege
Linear Algebra
Matrices, vector spaces, and linear transformations
Algebra
10 lessons
Chidi
Premium
Differential Equations
advancedCollege
Differential Equations
Solving and applying differential equations
Calculus
10 lessons
Chidi
Premium
Real Analysis
advancedCollege
Real Analysis
Rigorous study of real numbers, sequences, and continuity
Analysis
10 lessons
Chidi
Multiplication & Division
intermediateElementary 3-5
Multiplication & Division
Learn multiplication and division through real-world African American contexts
Arithmetic
10 lessons
Dr. Joe Bradley
Fractions & Decimals
intermediateElementary 3-5
Fractions & Decimals
Master fractions and decimals through cooking, music, and art
Number Sense
10 lessons
Dr. Joe Bradley
Elementary Geometry
intermediateElementary 3-5
Elementary Geometry
Explore shapes, angles, and measurement in African architecture
Geometry
10 lessons
Dr. Joe Bradley
Sekani

Meet Sekani

Sekani is your AI reading companion. He'll read lessons aloud in your chosen voice style. Pick the one that feels right β€” you can change it any time from the Dashboard.

🧘 Deep & Calm

A steady, deep voice β€” great for focused learning.

⚑ Energetic

A bright, faster voice β€” keeps the energy up.

🐒 Slow & Clear

A slower, clear voice β€” ideal for careful reading.

Your choice is saved locally β€” no account required.