Four square maths for the revision of:
There is an "easy" mode and "hard" mode for the game. The easy mode focuses on single digits (e.g. 5 + 6 = ?), whereas the hard mode includes both single and double digits (e.g. 1 + 1 = ?, 1 + 13 = ? or 12 + 17 = ?).
Questions are randomised by pressing F9 on the keyboard, so both numbers and equation type (i.e. addition, subtraction, multiplication and division) are changed on each turn. Students will not be able to memorise questions.