Using algebra (AQA GCSE Maths): Flashcards
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Definition of using algebra
Definition of using algebra
Applying maths symbols & letters to solve real-world problems
Typical letters chosen for unknown variables
Typical letters chosen for unknown variables
, , or
First step in algebra problem-solving
First step in algebra problem-solving
Choose a letter to represent the unknown quantity
What to build expressions from
What to build expressions from
The given information in the problem
How to check algebraic solutions
How to check algebraic solutions
Substitute answers back into original problem
What is a counter-example?
What is a counter-example?
An example that proves a statement false
Counter-examples needed to disprove a statement
Counter-examples needed to disprove a statement
Only one
Result of when
Result of when
(not prime, so statement is false)
Values to try first when finding counter-examples
Values to try first when finding counter-examples
Small whole numbers
Where algebra applies besides number problems
Where algebra applies besides number problems
Geometry (perimeter and area problems)