DID YOU KNOW? A magic star has all lines of the same total. That addition is the opposite of subtraction, and multiplication is the opposite of division. WHY YOU NEED CROSS NUMBERS By solving cross-number puzzles you will find out more about the relationships between numbers. By solving logic problems you will find out more about the relationships between various pieces of information. BY COMPLETING CROSS NUMBERS You will find out: How to solve logic problems. How to plot family relationships. How to solve cross-number puzzles. THE REASON FOR CROSS NUMBERS All of the activities in CROSS NUMBERS help to develop reasoning skills in non-threatening and user-friendly ways. DON’T WAIT. Get your family members involved in CROSS NUMBERS today … Push the ‘buy’ button …