Binary Conversions

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 - this activity is a binary to denary and denary to binary quiz, you may want to do your working on paper.
Consolidation - these are past exam question and are for deliberate practice to check your understanding.

BinaryDenary Full Lesson Video.mp4

Task - Binary Conversions Quiz

Task - Exam Questions - Deliberate Practice

Exam Questions - Binary Conversions

Mark Scheme

Question 1 (a)

1 mark for correct answer, 1 mark for working

64 + 32 + 8 + 1
105

Question 1 (b)

Answer: 10011010
one mark per nibble if partly wrong
Allow 1 mark for 01011001

Question 2

1000 0100

1 mark per nibble, mark right to left.

Question 3

1 mark per bullet to max 2

91
Correct working shown.

Award working mark independently of final answer but must be correct (e.g. 1 + 2 + 8 + 16 + 64 / correct binary headings with correct binary underneath)