
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 5.OA.A.1 (often written 5.OA.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.

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

Your bingo card is made of problems. Solve the missing numbers to stamp squares and get four in a row.
The All-Access Teacher License includes every game, every grade and all future games.