Number properties is where the GMAT punishes intuition. Odds and evens, factors and multiples, divisibility, remainders — the questions look simple, and that's the trap. Bring paper. You'll attempt real exam-style problems live — including the odd/even logic and remainder patterns this topic is famous for — then we'll solve every one together, step by step, so you leave knowing exactly how to set these up on test day. Part 1 of a 4-part September series — drop into one session or attend all four: Sep 1 — Number Properties Sep 8 — Word Problems & Percents Sep 15 — Algebra & Equations Sep 22 — Rates, Work & Distance All sessions Tuesdays, 8:00 PM ET, 60 minutes.