CourseHES 102

Week14 of 16

SemesterI

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This week’s topics

Solving problems step by step with flowcharts

Flowchart symbols
Drawing a flowchart for a simple problem

What you will be able to do

3.3 Use flowcharts to represent problem-solving steps.

Activity

Draw a flowchart for working out a shop discount, then test it.

Study materials

Further resources

Introduction to Computer Science, 2.1: Flowcharts · PDF · OpenStax Introduction to Computer Science (2024), 2.1 on flowchart symbols and drawing a flowchart for a problem, pp. 46–51 · for registered students
Prealgebra 2e, 9.1: Use a Problem Solving Strategy · PDF · OpenStax Prealgebra 2e (2020), 9.1: solving problems step by step, pp. 651–665 · for registered students
Computational thinking · Open-access article · Wing (2006), Communications of the ACM. The short classic essay on breaking problems into clear steps. · 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 13 Week 15

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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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