價格：免費
檔案大小：42.7 MB
版本需求：系統需求：iOS 10.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
NR (NumberRoyale) Trainer improves your number sense. You benefit in two ways with NR Trainer: first, it improves your numeracy and second, it gives you sample puzzles for you to train.
NR Trainer has unlimited number puzzles for integers, fractions, decimals and algebra.
NR Trainer's has been shown to improve standardized math test scores: 100 minutes of game play has been shown to improve math standardized test scores by almost 50% of what can be gained during an entire school year!!!
Results of statistical study can be found in the URL https://www.numberroyale.com/content/images/DCASAnalysisReport.pdf
