When you are solving an addition calculation with a two-digit number, you need to think about tens and ones. A place value chart can help you to see the value of each digit in a number. For example, ...

The goats and their friends are having a party, but they need your help to reach the piñata. As a team, use your knowledge of tens and ones place values to help the goats release the treats from the ...

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 ...