Summer 2025
AOPS Prealgebra Challenge
Mondays 1:00 - 2:15 p.m. & Tuesdays 2:30 - 3:45 p.m.
Week 1 June 09 - June 13 Exponents: positive, negative, and fractional exponents
Week 2 June 16 - June 20 Number theory: prime factorization, multiples, and divisors
Week 3 June 23 - June 27 Equations and Inequalities: fractions, exponents, and two variables
Week 4 June 30 - July 04 Ratios, Conversions, Speed, and Rates: word problems
Week 5 July 07 - July 11 Percents: percent increase and decrease, word problems
Week 6 July 14 - July 18 Angles: vertical and supplementary, parallel lines, angles in polygons
Week 7 July 21 - July 25 Area: area of triangles, polygons, circles, and composite figures
Week 8 July 28 - Aug 01 Counting and Probability: venn diagrams, combinations, pairs,
probability of independent and dependent events