The rules of Krypto are simple: Combine five number using the four arithmetic operations (+, –, ×, ÷) to arrive at a "target" number Example: 5, 10, 3, 8, 9, = 7
Master your skills!
IXL has an unlimited number of practice questions, step-by-step explanations, engaging awards and certificates, easy-to-read progress reports, and much, much more.