![]() Instead of writing the letter 'A', he would write the letter that comes three places further on in the alphabet, the letter 'D'. Students try to figure out a code for muffin orders. The instructional materials reviewed for Grade 4 Everyday Mathematics. So Caesar would write messages to his generals in code. He needed a way of communicating his battle plans and tactics to everyone on his side without the enemy finding out. Nearly 2000 years ago, Julius Caesar was busy taking over the world, invading countries to increase the size of the Roman Empire. ![]() ![]() The Roman Geezer Let me give you an example. In fact, some of the most famous code breakers in history have been mathematicians who have been able to use quite simple maths to uncovered plots, identify traitors and influence battles. Cracking codes and unravelling the true meaning of secret messages involves loads of maths, from simple addition and subtraction, to data handling and logical thinking. You probably wouldn't think of mathematics. When you think of spies and secret agents, you might think of lots of things nifty gadgets, foreign travel, dangerous missiles, fast cars and being shaken but not stirred.
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