It's useful to be able count forwards and backwards in 5s. It's much quicker than counting in 1s. There is a pattern when counting in 5s that can be easily seen on a 100 square or number line. Look at ...

Brain teasers have long been a favourite pastime for social media users, offering a quick yet satisfying mental challenge. Whether it's cracking an age-related riddle, solving a clever maths problem ...