Double Trouble

Double Trouble is a multiplayer math review game for grades 1–4. Race through Twin Town with doubles, halves, near doubles and double-and-halve tricks for faster mental math.

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

New problems every game, with Easy, Medium and Hard levels. Every miss shows a short explanation, and a read-aloud button reads any question out loud.

Standards (Oklahoma OAS first, then Common Core):

1st: OAS 1.N.2.3, 1.N.3.2 · CCSS 1.OA.B.3, 1.OA.C.62nd: OAS 2.N.2.2, 2.N.2.4, 2.N.3.2 · CCSS 2.OA.B.2, 2.OA.C.3, 2.NBT.B.53rd: OAS 3.N.2.2, 3.N.2.7, 3.N.2.8 · CCSS 3.OA.B.5, 3.OA.C.7, 3.NBT.A.24th: OAS 4.N.2.1, 4.N.2.5, 4.A.2.1 · CCSS 4.OA.A.1, 4.NBT.B.5, 4.NBT.B.6

What you get: one HTML game file that runs in any browser (Chromebooks, laptops, iPads, smartboards) plus a one-page Quick Start PDF. 1–6 players or teams, no logins, no installs.

Single-teacher license. Included in the Complete Classroom Game Arcade bundle.