MQuiz Four-Digit Numbers Addition and Subtraction - Mental Math Quiz|教育線上App不用買-HotApp4Game

What's 5687 + 7195 = ? How about 8231 - 3867 = ?The best app for practicing FOUR-DIGIT NUMBERS ADDITION and SUBTRACTION. Specially designed for improving children's mental math skills.    Benefits :- Practice and improve four-digit numbers addition and subtraction  - Next level up after three-digit numbers addition and subtraction  - Speed up your general addition and subtraction skills - Improve mental math skills  - Great brain exercise  - Great for math practice on the go, while in the car, shopping etc.  - Favourite by ICT / Education programs in Elementary / Primary schools  Features:  - Bright, clear and easy to use interface - Numbers are randomly generated and will not repeat in the same sequence (not flash cards) - Choose operations: Addition, Subtraction or Mixed Addition and Subtraction  - Display the addition operation horizontal or vertical - Choose the number of questions per quiz  - Highlights incorrect answers for learning purpose  - Result as percentage, and as the number of mistakes - With timer  Universal Application  - You can use it on your iPad, iPhone or iPod.  Check out related MQuiz apps  - MQuiz Subtract Multiple Numbers- MQuiz Add Multiple Numbers- MQuiz Subtract Multiple Numbers- MQuiz Adding Decimals - MQuiz Subtracting Decimals - MQuiz Integer Addition - MQuiz Integer Subtraction - MQuiz Mixed Integer Addition and Subtraction - MQuiz Square Root- MQuiz Square Number- MQuiz Negative Number Line