CourseHES 102

Week5 of 16

SemesterI

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This week’s topics

Binary numbers

Counting in base 2
Place values in binary
Converting between binary and denary

What you will be able to do

1.3 Convert denary numbers to binary and hexadecimal.

Activity

Convert numbers between binary and denary using place-value cards.

Study materials

Further resources

Contemporary Mathematics, 4.3: Converting with Base Systems · PDF · OpenStax Contemporary Mathematics (2023), 4.3: place value and converting between binary and denary, pp. 288–299 · for registered students
Introduction to Computer Science, 5.3: Integer Numbers Representation · PDF · OpenStax Introduction to Computer Science (2024), 5.3 on unsigned binary integers and place values (a step up), pp. 205–207 · for registered students

Materials marked “for registered students” open in the student portal, which is set up as soon as you receive final acceptance.

Week 4 Week 6

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Course plan

Week 1: Fractions, decimals and percentages
Week 2: Calculating with percentages
Week 3: Percentage increase and decrease
Week 4: Percentages in business: profit, mark-up and VAT
Week 5: Binary numbers
Week 6: Hexadecimal numbers
Week 7: Adding binary numbers
Midterm: Midterm evaluation
Week 9: Using formulae
Week 10: Solving equations and rearranging formulae
Week 11: Logic gates and truth tables
Week 12: Averages and range
Week 13: Reading charts and tables
Week 14: Solving problems step by step with flowcharts
Week 15: Review and coursework completion
Final: Final assessment and submission

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