Perfect — since you already know high-school algebra, you’ve got a solid starting point.
Here’s a clear, step-by-step roadmap that builds the math foundation needed for machine learning in a logical order:
🧭 Stage 0 – Refresh Core Foundations
Before diving into advanced math, strengthen these essentials:
Algebraic Manipulation
Exponents, logarithms, inequalities
Functions and transformations (e.g.,
f(x)=ax2+bx+c
f(x)=ax
2
+bx+c, shifting/scaling)
Coordinate Geometry & Graphs
Lines, slopes, intersections
Understanding graphs of functions — this intuition helps a lot later
Basic Trigonometry
Sine, cosine, tangent, unit circle
Used in calculus and vector analysis
🧩 Stage 1 – Precalculus
This bridges algebra to calculus.
Functions and their properties (polynomial, exponential, logarithmic)
Inverse functions
Sequences and series (especially arithmetic/geometric)
Understanding limits (intuitive idea, not rigorous yet)
📘 Resources:
Khan Academy: Precalculus
“Precalculus” by Stewart, Redlin, & Watson (only first few chapters)
📈 Stage 2 – Calculus (Single Variable)
Crucial for optimization in ML.
Limits and Continuity
Derivatives – rate of change, gradient, tangent line
Applications of Derivatives – maxima, minima, optimization
Integrals – area under curve, cumulative functions
Partial Derivatives (Intro) – leads into multivariable calculus
📘 Resources:
Khan Academy Calculus I
Essence of Calculus (YouTube, 3Blue1Brown – fantastic for intuition)
🔢 Stage 3 – Linear Algebra
The language of ML. You’ll use it everywhere.
Vectors and Matrices
Matrix Operations (addition, multiplication, inverse)
Linear Transformations and Systems of Equations
Determinants and Rank
Eigenvalues and Eigenvectors (key for PCA, deep learning)
Vector Spaces and Basis (helps conceptual understanding)
📘 Resources:
Linear Algebra Done Right (Axler) – conceptual
Essence of Linear Algebra (3Blue1Brown series) – visual
Khan Academy Linear Algebra – structured progression
🎲 Stage 4 – Probability and Statistics
Core for ML understanding (models, inference, evaluation).
Set Theory & Counting (Combinatorics)
Basic Probability Rules (independence, conditional probability, Bayes’ theorem)
Random Variables & Distributions (Discrete + Continuous)
Expectation, Variance, Covariance
Sampling & Central Limit Theorem
Descriptive + Inferential Statistics (confidence intervals, hypothesis testing, regression)
📘 Resources:
Khan Academy: Probability & Statistics
Think Stats (Allen Downey) – free and intuitive
StatQuest (YouTube) – simple ML-focused stats explanations
🧮 Stage 5 – Multivariable Calculus + Optimization (optional but valuable)
If you want to go beyond basics for ML models like neural networks:
Gradient, Divergence, and Jacobians
Gradient Descent and Optimization Methods
Vector Calculus Concepts (dot product, cross product)
✅ Suggested Order Summary:
Algebra & Graphs →
Precalculus →
Calculus (single variable) →
Linear Algebra →
Probability & Statistics →
Multivariable Calculus (optional but recommended)