This Computing scheme of work video introduces Year 3 pupils to the concept of packet data and how it makes digital communication across the Internet possible. It helps the children understand how large files, such as documents, images and websites, are broken into smaller packets for faster and more reliable transmission.

The video explains how each packet contains information about where it comes from, where it is going, its order in the sequence and how many packets there are in total. Using analogies like building blocks or puzzle pieces, pupils see how packets travel along different routes before being reassembled into the original file.

See more of our Year 3 Computing scheme of work.

• Computing, Year 3, Computing systems and networks 1: Networks, Lesson 5: What is packet data?
• Computing, Year 3, Computing systems and networks 1: Networks.