Complex problems are dissected into manageable parts.
While famous for fun games, Cool Math Games has a dedicated "Pre-Algebra" and "Numbers" section that aligns with standard math work.
solves this by using "stealth learning." You aren't just solving x + 4 = 10 ; you are solving that equation to unlock a door, defeat a monster, or launch a rocket ship in a mini-game.
A critical feature of authentic free Jordan math work is that it runs on (so it works on Chromebooks, iPads, and PCs). If a site asks you to download a .exe file or an app, close the window immediately. Real free math work runs in your browser.