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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
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Math drills

Area and acreage on the real estate examArea problems convert feet to square feet to acres (43,560 sq ft each) and read rectangular-survey descriptions (a...Cap rate and NOI on the real estate examCap rate = net operating income / value. The trap is what goes into NOI: vacancy and operating expenses do, mortgage...Commission and splits on the real estate examCommission = sale price x rate, then split between brokerages, then between broker and agent. Most misses come from...Loan-to-value and down payment on the real estate examLTV = loan / property value, where lenders use the lower of the price or the appraisal. The down payment is price...Property tax and mill rates on the real estate examProperty tax = assessed value x tax rate. A mill is one-tenth of a cent: $1 per $1,000 of assessed value. Apply...Prorations (360 vs 365) on the real estate examProration splits an annual or monthly expense by days owned. Know which day count the question uses and who owns the...
All six solvers on one page

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510 national questions + state banks for CA, FL, GA, NY and TX, a timed simulator in your vendor’s format, and weakness tracking. $19 one-time for 90 days, emailed to you after purchase.

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Prep course - emailed to you
Real Estate Exam Kit Prep Course (90 days)
$19 one-time, 90 days
  • 510 national questions + 5 state banks
  • Timed simulator matched to your vendor
  • 90 days, one-time - emailed to you after purchase
Get the prep course - $19

Emailed to you after purchase. Supplemental exam prep, not pre-licensing hours. 14-day money-back guarantee. Refund policy

See exactly what is includedTake the free readiness check (free)

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)
Real estate math drillsReal estate math practice: solvers for commission, proration, cap rate, LTV, property tax and acreage,...Real estate exam study guideReal estate exam study guide: a 30/14/7-day plan, outline weights turned into study hours, and the numbers...Real estate practice exam: national portionFree real estate practice exam for the national portion: original questions weighted to the Pearson VUE...Area and acreage on the real estate examArea problems convert feet to square feet to acres (43,560 sq ft each) and read rectangular-survey...Cap rate and NOI on the real estate examCap rate = net operating income / value. The trap is what goes into NOI: vacancy and operating expenses...Commission and splits on the real estate examCommission = sale price x rate, then split between brokerages, then between broker and agent. Most misses...
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