Mark the value of 768 on the number line. This is between the values of 700 and 800. Keep the hundred digit (7) and round the tens digit. The tens digit is 6 which is 5 or more so it is rounded up.
Watch this video about finding the position of numbers on a number line using tens and ones (also known as units). There are many different ways of representing the number 46. Here we have used ...