Double Trouble

Race through Twin Town with doubles, halves, near doubles and double-and-halve tricks for faster mental math.

Grades 1–4Board race1–6 players or teamsNo student loginsWorks offline

Try it free with your class: the demo runs right in your browser for 8 questions. No sign-up needed.

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

What students practice

Doubles facts, halves, near doubles, doubling and halving 2-, 3- and 4-digit numbers, double-and-halve multiplication strategies, story problems

OAS 1.N.2.3 · 1.N.3.2 · 2.N.2.2 · 2.N.2.4 · 2.N.3.2 · 3.N.2.2 · 3.N.2.7–8 · 4.N.2.1 · 4.N.2.5 · 4.A.2.1

Common Core: 1.OA.B.3 · 1.OA.C.6 · 2.OA.B.2 · 2.OA.C.3 · 2.NBT.B.5 · 3.OA.B.5 · 3.OA.C.7 · 3.NBT.A.2 · 4.OA.A.1 · 4.NBT.B.5–6

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.