Unit Express

Ride the Unit Express by converting units, finding rates and density, chaining conversion factors, naming units and reporting answers with the right precision.

Algebra 1 & ChemistryBoard race1–6 players or teamsNo student loginsWorks offline

$5Buy Unit Express ▶ Play the free demo 🎁 Get this game free

Try it free with your class: the demo runs right in your browser for 5 questions or 5 minutes, whichever comes first. No sign-up needed.

Or get every game, including all future games, with the All-Access Teacher License for $150.

Screenshot of Unit Express in the middle of a game

What students practice

Converting customary and metric units, multi-step conversions, metric prefixes (kilo-, centi-, milli-), unit rates and better buys, miles per gallon, density = mass ÷ volume, choosing the correct conversion factor, dimensional analysis with two or three factors (mph to ft/s, km/h to m/s, g/L to mg/mL), units of area, volume and rates in formulas, appropriate precision in context, counting significant figures, rounding products to the correct significant figures

Standards

OAS A1.A.1.1

Common Core: HSN-Q.A.1–3

How it works

Open the game file in any web browser: Chromebooks, laptops or your smartboard. No accounts, no student logins and no internet needed once it's downloaded.
Enter the players or teams, then press Start.
Students take turns on one shared screen, so the whole class can play together on a projector or smartboard.
Each purchase includes the game file and a one-page Quick Start guide.