BitWithBite
CCNA Networking Worksheet
🌐 Number Systems
SCORE___ / 20
NameClassDate
After this worksheet you can
Binary to decimalDecimal to binaryHex basicsWhy networking needs binary📚 Quick Recap
🎯 What you'll learn: How computers count in binary, converting between binary and decimal, how binary relates to IPv4 addresses, the hexadecimal system, and how hex is used in IPv6 addresses and MAC addresses.
🧠 Section A · Concept Check ● BEGINNER 4 × 1 = 4
1Binary 1010 in decimal is:
2Decimal 255 in binary is:
3Hex F equals decimal:
4IPv6 addresses are written in:
🧮 Section B · Problem Solving ● INTERMEDIATE 2 + 3×3 = 11
5The 8 binary place values: 128, 64, 32, 16, 8, 4, 2, .
6Binary 11000000 = decimal .
7Convert 172 to binary.
8Convert binary 11101110 to decimal.
9Why must techs know binary for subnetting?
🚀 Section C · Challenge ● CHALLENGE 5
10Convert hex 1F to decimal.
💭 Reflection — the most useful thing I learned:
A ___/4 B ___/11 C ___/5 Total ___/20
Teacher's Signature
Parent's Signature
✂ answer key — fold or cut before handing out
1-A 2-A 3-A 4-A | 5 1 6 192 7 = 10101100 8 = 238 9 = Masks and network boundaries are defined at the bit level | 10 = 31