by Khin La Pye Wone, University Of Maryland, Baltimore County

This WebQuest is about how to use inverse matrices in real life. Cryptogram will be introduce and students will learn how to convert, encode and decode a message.

Introduction

Let's break the code

Companies have to protect their computers by using codes to ensure the privacy of the user's personal information because of the rise of the internet shopping.

Cryptography is a method of preparing coded messages that can only be comprehend by using the "key" to the message.

The followings are the techniques of how to use a cryptogram.

Use the following table to encode or decode your message.

Letter

Assigned Number

_

0

A

1

B

2

C

3

D

4

E

5

F

6

G

7

H

8

I

9

J

10

K

11

L

12

M

13

N

14

O

15

P

16

Q

17

R

18

S

19

T

20

U

21

V

22

W

23

X

24

Y

25

Z

26