APKPure Appを使用する
SG Maths P4 Whole Numbersの旧いバージョンをダウンロードすることが可能
プライマリ4（4年生）数学全体番号のAndroidアプリの練習問題。
Android app practice exercises for Primary 4 (Fourth Grade) Maths Whole Numbers.
The questions, numbers and answers are dynamically generated.
Questions come in sets of 10, after which your score is shown.
After you have chosen your answer, the correct answer is highlighted in yellow.
The scores at the bottom of the screen shows the number of questions you answered correctly, those that you answered wrong, and those that you skipped, respectively. Try not to skip questions, and try to keep the score of the green tick higher than the other 2 numbers.
Practice makes perfect, and this is the perfect practice for you!
Available for both Android phones and tablets.