Length and Distance Measurement: This interactive online game helps kids master measurements. ZapZapMath: Kids practice Common Core math in a variety of games through this online game and downloadable app. Sir Roundalot: Play as a knight to round up numbers and enemies. Cave Run Addition: Help the adventurer escape by practicing addition!. This math game is similar to Wordle, only with numbers and arithmetic signs. Numberle is a math puzzle game inspired by Wordle, the game that made a splash in early 2022.