Most people will probably remember the times tables from primary school quizzes. There might be patterns in some of them (the simple doubling of the 2 times table) but others you just learnt by rote.

Struggling with the 11 times table? Don’t worry—you’re not alone. For many secondary school students aged 12 to 16, multiplying by 11 can feel tricky, especially when trying to do it quickly in your ...