
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.
3 multiplayer math games that practice mental math skills, for 3rd Grade, 4th Grade, 5th Grade, 6th Grade, 7th Grade, 8th Grade. Students play together on one shared screen with no logins, and 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.

Place square tiles so touching triangles match colors, then score the math on every matching side: add, subtract, multiply or divide.

The sequel: tiles can rotate, and squares, cubes, square roots, cube roots and jokers join the board.
The All-Access Teacher License includes every game, every grade and all future games.