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Algorithms
Algorithms
Algorithms
Key learning intension: What is an algorithm and how do we write them?
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Slide 1:
Slide
Computing
Upper Secondary (Key Stage 4)
GCSE
This lesson contains
16 slides
, with
interactive quizzes
and
text slides
.
Lesson duration is:
60 min
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Items in this lesson
Algorithms
Algorithms
Key learning intension: What is an algorithm and how do we write them?
Slide 1 - Slide
What is this symbol called?
A
Terminator (start/end)
B
Process
C
Input/output
D
Decision
Slide 2 - Quiz
What is this symbol called?
A
Terminator (start/end)
B
Process
C
Input/output
D
Decision
Slide 3 - Quiz
What is this symbol called?
A
Terminator (start/end)
B
Process
C
Input/output
D
Decision
Slide 4 - Quiz
What is this symbol called?
A
Terminator (start/end)
B
Process
C
Input/output
D
Decision
Slide 5 - Quiz
An algorithm is a list of steps to follow in order to solve a problem.
Slide 6 - Slide
Let's create an algorithm to sign in to our student accounts.
Slide 7 - Slide
1. Take a user input for username
2. Take a user input for password
3. Check if username = username and password = password then log in
4. Else ask them to try again tries +1
5. If tries > 3 then lock account
Slide 8 - Slide
Flowchart example
Slide 9 - Slide
Create an algorithm for brushing your teeth. Think about toothbrush, toothpaste, length, order tasks are done in.
Slide 10 - Slide
Create the flowchart for the algorithm using the correct shapes.
Slide 11 - Slide
Can you code it?
Slide 12 - Slide
Create a algorithm of your choice and the flowchart.
Slide 13 - Slide
What is an algorithm?
Slide 14 - Open question
Name one of the blocks in this flowchart?
Slide 15 - Open question
What does this do?
Slide 16 - Open question
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