PEER Module Test Template s2

Network Security & Cryptography – Worksheet, Math 6th Grade! Worksheet, Student’s Name: ______Math Teacher: ______Period: ______Date: ______

Objectives  Understand how mathematical concepts apply to real world network engineering.  Practice greatest common factor (GCF) and prime factorization.

Follow along with the presentation, and choose the correct answers or fill in the blanks.

1. List four types of networks ______, ______, ______, ______.

2. Security is the act of ______a person, ______or organization from ______.

3. What does security mainly concern? (a) Locking up criminals in jail. (b) Effectively using locks, keys and alarm systems. (c) Protecting against possible attacks on individuals, property or establishments.

4. List three types of data or property you would like to protect from an attacker. 1. ______2. ______3. ______

5. ______is the process of converting a message called the ______text into a secret code called the ______text, and then changing the secret code back to regular text.

6. There are two parts to cryptography: (1) ______: Converting from regular text to secret code; and (2) ______: Converting from secret code back to regular text.

7. List two different keys you or your family use for security. ______, ______

A product of the Partnership for Environmental Education and Rural Health at Texas A&M University | http://peer.tamu.edu S-17 Network Security & Cryptography: Solve the Riddles!

Fill in the chart below by solving the GCF of the numbers to obtain the shift keys for the crypto-wheel, and then decrypting the answers to the riddles! (PR)

I walked up to a man and he said to me, "I got a carrot and Shift key: 1. it turned my nose orange." Who was the man? GCF of 21 and 56 H ZUVDTHU

What kind of paper makes you itch? Shift key: 2. GCF of 35 and 45 XHWFYHM UFUJW

What do you call a banana that goes to gymnastics? Shift key: 3. GCF of 18 and 24 G HGTGTG YVROZ

Shift key: What did the mamma tomato say to the baby tomato when GCF of 18 and 27 it fell behind? 4. TNCLQDY

Shift key: What is a math teacher's favorite candy? GCF of 33 and 77 5. XPLDFCP XTYED

Shift key: Why did’nt the skeleton cross the road? 1 6. IF EJEOU IBWF UIF HVUT

Shift key: Why did Goofy throw the butter out the window? GCF of 10 and 18 7. JG YCPVGF VQ UGG DWVVGTHNA

A product of the Partnership for Environmental Education and Rural Health at Texas A&M University Network Security & Cryptography: Solve the Riddles!

Fill in the chart below by solving the GCF of the numbers to obtain the shift keys for the crypto-wheel, and then decrypting the answers to the riddles! (P3)

Shift key for the Answer Riddle question with the answer in cipher text No. crypto-wheel Key (GCF) Shift key: What's the difference between a teacher and a train? GCF of 15 and 27

1. WKH WHDFKHU VDBV "QR JXP DOORZHG." WKH WUDLQ VDBV "FKHZ FKHZ."

Shift key: What do you call a deaf gorilla? GCF of 52 and 91 2. NALGUVAT LBH JNAG!

Shift key: What did the announcer name his baby boy? GCF of 30 and 40 3. WSUO Shift key: Why did Goofy throw the butter out the window? GCF of 10 and 18 4. JG YCPVGF VQ UGG DWVVGTHNA Shift key: Why did the golfer wear two pairs of pants? GCF of 49 and 84 5. PU JHZL OL NVA H OVSL PU VUL

( Shift key: 1) Imagine you're in a shark tank and a shark is about to eat you and you can't get out of the tank. What do you do? 6 stop imagining

Shift key: You're going into a dark dark tunnel. All you have is a GCF of 42 and 63 torch, a candle, and a lantern. What do you light first? 7 V HVOXC

A product of the Partnership for Environmental Education and Rural Health at Texas A&M University Network Security & Cryptography: Solve the Riddles!

Fill in the chart below by solving the GCF of the numbers to obtain the shift keys for the crypto-wheel, and then decrypting the answers to the riddles! (P1)

Shift key for the Riddle question with the answer in cipher text crypto-wheel Key No. (GCF)

Shift key: What did the announcer name his baby boy? GCF of 30 and 40 1. WSUO Shift key: What did the mamma tomato say to the baby tomato when GCF of 18 and 27 it fell behind? 2. TNCLQDY

Shift key: What do you call a banana that goes to gymnastics? GCF of 18 and 24 3. G HGTGTG YVROZ

( Shift key: 1) Imagine you're in a shark tank and a shark is about to eat you and you can't get out of the tank. What do you do? 4. STOP IMAGINING

Shift key: What kind of paper makes you itch? GCF of 35 and 45 5. XHWFYHM UFUJW

A product of the Partnership for Environmental Education and Rural Health at Texas A&M University