Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Today we're investigating how numbers can be represented in different ways. It's important that we ...

To order numbers, you need to understand the place value of each digit. Starting with smallest value digits on the right, going up in value to the left. You can then see not just which number is ...

Numbers are made of digits. Where a digit is placed in a number tells you what value the digit has. You can use place value headings, like ones, tens and hundreds, to help you understand the value of ...