Used by thousands of teachers around the World!

Free Trial

STEP 1

The Semaphore Flag System

STEP 2

Decipher Semaphore Messages

Download and complete the semaphore worksheet resource pack



Download Worksheet

STEP 3

Think about the Pros & Cons...

Today, what are the disadvantages of sending messages by semaphore?

Might sending messages by semaphore still be useful today?  When or why?

How does sending messages by semaphore compare to sending messages over a computer network?

CHALLENGE (OPTIONAL)

Download the semaphore flag resource sheet. Cut out the flags and practise sending your own messages with them!


__________


Then complete the online semaphore challenge.


__________


Finally, encode your own messages into semaphores online.

Download the semaphore flags



Download Flags


Complete the semaphore challenge.




Go to Challenge

Encode your own semaphore messages online.



Make Semaphore Messages