>>11932053If you want some fun stuff, depending on your math level:
AoPS pre-algebra
AoPS Intro to Algebra
AoPS Intro to Probability and Counting
AopS Intro to Geometry
AoPS Intermediate Algebra
AoPS Intermediate Counting and Probability
AoPS Pre-Calculus
AoPS Calculus
and then do Art and Craft of Problem Solving by Paul Zeitz
This will get you started with competition math and a love of math