MathMinds vs 世界の国名クイズ

MathMinds: Puzzle Quiz turns everyday math into fast, satisfying brain training. Five distinct puzzle modes, clean and colorful design, and instant right/wrong feedback on every answer — no clutter, no distractions, just focused practice you can pick up for two minutes or twenty. FIVE MODES TO MASTER - Number Sequences — spot the pattern and find the missing number in the series. - Operator Puzzles — decode a custom symbol's hidden rule, then use it to solve the final equation. - Fractions & Ratios — simplify, compare, and convert fractions, percentages, and ratios. - Word Problems — real-world scenarios like speed, pricing, and discounts, each with one clear right answer. - Geometry Snap — areas, perimeters, and the Pythagorean theorem, with a shape icon on every question. BUILT FOR FOCUSED PRACTICE Every round is timed, every card shows exactly how many questions or rounds are ahead before you start, and every answer reveals green or red the instant you tap it, so you always know exactly where you stand. Your score and progress are tracked for every mode, so you can always see how far you've come. MathMinds is free to play and supported by ads. Available in English, Spanish, French, German, Japanese, Arabic, and Turkish. Whether you're warming up your brain before school, killing five minutes in a waiting room, or just enjoy a good number puzzle, MathMinds has a mode for you.

「世界の国名クイズ」は、世界の国名・首都・国旗を楽しく学べる無料の学習アプリです。 【学習タブ】 大陸ごとに分類された国の一覧から、国旗・国名(日本語/英語)・首都を確認できます。国名や首都名での検索にも対応しています。 【クイズタブ】 「国旗→国名」「国名→首都」「国旗→首都」の3つのモードから選んで、4択クイズに挑戦できます。正解すると、効果音とともに国名や首都名がその国の言葉で発音されます。10問終えると自己ベストスコアが記録され、何度でも挑戦できます。 お子様の地理学習から、大人の教養クイズまで、幅広くお楽しみいただけます。