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Math · 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.
Grades 3–8Card game1–6 players or teamsNo student loginsWorks offline
Try it free with your class: the demo runs right in your browser for 8 questions. No sign-up needed.
Or get every game, including all future games, with the All-Access Teacher License for $150.
What students practice
Order of operations, parentheses, mental math and flexible thinking; exponents in 6th–8th
Standards
Choose the grade on the start screen · problems match that grade
Common Core: 3.OA.C.7 · 5.OA.A.1 · 6.EE.A.1 · 6.EE.A.2c
How it works
- Open the game file in any web browser: Chromebooks, laptops or your smartboard. No accounts, no student logins and no internet needed once it's downloaded.
- Choose the grade and the number of players or teams, then press Start. The questions match the grade you pick.
- Students take turns on one shared screen, so the whole class can play together on a projector or smartboard.
- Each purchase includes the game file and a one-page Quick Start guide.
