Why are there 60 minutes in an hour, and not 10? Why do we count up to 10, anyway? Quentin, age five, wants to know.

You can count in 10s using a number line. This number line starts at 0 and ends at 90. The numbers go up in units of 10. Let's use this number line to count in 10s to work out how many pencils ...

Counting to 10 is a useful thing to do. You can count things you see every day like stones, shells, counters and cubes. Songs and rhymes can help you practise counting on and back. Knowing how to say ...