Hexadecimal
Lesson Instructions
Watch and follow the YouTube video, the lesson contains three parts:
Key Information and content - all you need to do here is watch and listen
Learning activity - there are two activities, both are quizzes. One quiz is converting between hexadecimal and binary, the second quiz is converting between hexadecimal and denary, you may want to do your working on paper.
Consolidation - these are past exam question and are for deliberate practice to check your understanding.
Hexadecimal Full Lesson Video.mp4Task - Hex to Binary Quiz
Task - Hex to Denary Quiz
Task - Exam Questions - Deliberate Practice
Mark Scheme
Question 1 (a)
Green = 3A
Blue = 9C
1 mark for each correct
Question 1 (b)
1 mark per bullet max 1
Easier to remember / to enter / to read
Faster to enter / read
Fewer digits to remember / to enter / to read
Less prone to error when entering / reading / communicating
Quick to convert into binary
Do not accept "easier to understand"
Question 2 (a)
8F
1 mark per nibble
Question 2 (b)
1110 0010
1 mark per nibble
Question 2 (c)
1 mark per bullet to max 2
Easy / fast to convert to / from binary....
....4 bits represented by one hex character
Faster / more reliable to communicate / enter / write down / read.
Do not accept "hex is smaller" without further clarification of why this is a benefit.