
Grades 3–8 · Number sense
Krypto
Five number cards are face up. Make a true equation from them, with operations on both sides, and every card you use is yours.
2 multiplayer classroom games aligned to Common Core standard 6.EE.A.2 (often written 6.EE.2). 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.

Five number cards are face up. Make a true equation from them, with operations on both sides, and every card you use is yours.

Crack balance-scale logic puzzles: every shape has a secret weight. Use the balanced scales to figure out what each mystery shape weighs.
The All-Access Teacher License includes every game, every grade and all future games.