
Grades 1–4 · Doubles & halves
Double Trouble
Race through Twin Town with doubles, halves, near doubles and double-and-halve tricks for faster mental math.
2 multiplayer classroom games aligned to Oklahoma (OAS) standard 4.A.2.1. Pick one to practice this standard with your whole class on a smartboard or Chromebooks, with no student logins. Every game has a free demo.

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

Solve multi-step word problems to spot animals on safari. Fill your field guide first.
The All-Access Teacher License includes every game, every grade and all future games.