How many grains of sand are there on a beach? (Replay)

Want to hear one our most popular episodes ever? Having done hundreds of these chats with kids, which have been downloaded thousands of times, we thought it was a good time to replay the Top 5!In this week we spoke with Ria (age 11), asking how many grains of sand there are on a beach. She breaks down the problem really well into smaller parts to arrive at a very sensible estimate. There is no right answer here, rather all about estimating and applying structured thinking.For more fast and fu...