If you want to self-study Math:

  1. Khan Academy: Basic geometry and measurement
  2. Khan Academy: Pre-algebra
  3. Khan Academy: Algebra basics
  4. Khan Academy: Algebra 1
  5. Khan Academy: High school geometry
  6. Khan Academy: Algebra 2
  7. Khan Academy: Trigonometry
  8. Khan Academy: College Algebra
  9. Khan Academy: College Statistics
  10. Khan Academy: Precalculus
  11. Khan Academy: Differential Calculus
  12. Khan Academy: Integral Calculus
  13. Khan Academy: College Calculus AB
  14. Khan Academy: College Calculus BC
  15. Khan Academy: Calculus 1
  16. Khan Academy: Calculus 2

If you want to get open-source datasets:

  1. UCI Machine Learning Repository
  2. Kaggle