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 ...
To compare numbers, you need to look to see if a number is 'greater than' or 'less than' another number. You can use symbols to help you compare numbers: Small numbers are easy to count, but when ...