Decimators review
A focused web app for adaptive arithmetic practice through gameplay.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Decimators is a browser-based mathematics learning platform for children approximately 5–10 years old. It focuses on interactive, arcade-style practice in counting, addition, subtraction, and problem solving. Adaptive difficulty adjusts the math practice, while scoreboards and leaderboards add a competitive element. The product is designed for individual players, families, and educators who want elementary arithmetic practice with account management and progress tracking.
Pricing is organized around the type and number of learners. The Player plan provides full access for one player and includes a personal leaderboard. Parent plans support up to 2 or up to 5 children, with tools to manage children’s accounts and monitor learning progress. Educator plans cover up to 20, up to 50, or 100 students, and include an educator dashboard for tracking student progress. The published pricing starts at 40 ZAR, with prices stated in South African Rand. This structure gives families and schools a capacity-based route rather than one shared plan for every use case.
Its main strength is focus: Decimators turns foundational arithmetic into repeatable game practice and adds separate parent and educator views for monitoring learners. That makes it a practical fit for children who need counting, addition, subtraction, and basic problem-solving activities in a browser. The trade-off is equally clear. It is web-only and its subject coverage is concentrated on elementary arithmetic rather than a broader mathematics curriculum. Choose Decimators for game-based practice and progress visibility; choose a broader math learning product when learners need wider topic coverage or more varied instructional depth.
Decimators pros and cons
- Where it wins
- Adaptive difficulty keeps arithmetic practice responsive
- Parent and educator portals support progress tracking
- Game-based counting, addition, subtraction, and problem solving
- Where it doesn't
- Covers a narrower range of math topics
- Available only through a web browser
- Paid access is required for full service use
Decimators fact sheet, pricing and score →
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