Real estate math, made boring

Math is about 7 of 80 national items at both Pearson VUE and PSI - few points, but the most reliably earnable ones. Learn six formulas and their traps.

Updated 2026-09-23 · 2 sources · By the RealEstateExamKit team

The six formulas

Problem typeFormulaDrill
Commissionprice x rate, then each split in order

Commission

Prorationannual / 365 or 360 x days

Proration

Cap rateNOI / value

Cap rate

LTVloan / lesser of price or appraisal

LTV

Property tax(assessed value - exemptions) x rate

Property tax

Areasq ft / 43,560 = acres

Area and acreage

Math drills

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Sources

  1. Pearson VUE - Texas Real Estate Candidate Handbook (national salesperson outline, effective March 1, 2025) (accessed 2026-09-23)
  2. PSI - Georgia Real Estate Commission Candidate Information Bulletin (national portion outline) (accessed 2026-09-23)