In this presentation:
Identify and name variables and constants
Recognise the need for descriptive identifiers
Be able to assign input to a variable and output it
Recognise the need for Variables and Constants
C/W 2.2 - Programming Fundamentals (L1 Variables)
Success Criteria:
• Identify and name variables and constants Yo
• Recognise the need for descriptive identifiers Sch
• Be able to assign input to a variable and output it
• Recognise the need for Variables and Constants Lo
Recap Activity: Self-Assess:
Background Knowledge…
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Million £££ Question…
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,L1 - Variables (Vocabulary)
A variable is a location in memory that holds one or more values. It h
Variable or name to identify it and its values can be changed as the program r
A constant is a location in memory that holds a value. It has a label o
Constant identify it, and its value cannot be changed as the program runs.
Operators are used for addition, subtraction, multiplication and divis
Operators Addition + Subtraction -
Multiplication * Division/
A Boolean operator carries ot a logical operation on its arguments. B
Boolean operator operators return TRUE or FALSE. There are no completely standard s
Boolean operators in programming, but popular ones are: AND, OR,
Assignment operators assign values. The simplest assignment operat
Assignment
Example: firstname = “Julie”. This will copy the value “Julie” into the
operator called firname.
, L1 - Variables
Word Finder
Click to Reveal Answ
Find the word in the puzzle.
Words can go in any direction.
Words do not share letters.
• assign • camelcase • chan
• character • code • colle
• constants • containers • data
• data • digital • highl
• idle • input • list
• lowlevel • output • pasc
• programmer • python • recor
• snakcase • store • unde
• value • variable
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