Decimal Dash

Decimal Dash is a standalone HTML5 browser game built for purposeful mathematical reasoning practice and short repeatable challenges. Its core activity is solve decimal addition, subtraction and multiplication questions with two decimal place rounding. Choose answers from numerically validated alternatives across 20 varied levels. The game includes 20 different levels, each presenting a real task rather than a static informational slide. Players receive immediate feedback when they make a mistake and a clear completion state when they finish the objective.

Designed to be accessible from a computer, tablet or modern mobile browser, the application uses plain HTML, CSS and JavaScript. There is no requirement to create an account, purchase subscriptions, install plug-ins or connect to an external server. All challenge data is included inside the product package, allowing normal play without network access.

The interface includes a welcome screen, challenge selector, visible session timer, instructions, restart, pause, menu navigation and optional sound feedback. Completion records can be remembered using local browser storage. A purchaser can customize colors, wording and challenge data using the included source code, subject to the supplied license.

This collection is suitable for math-game enthusiasts, educational mathematics practice, informal family learning, and developers exploring browser-native game structures. It is not an examination qualification, a comprehensive English dictionary or a native Android or iOS application.