Substitution (AQA GCSE Maths): Flashcards
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Substitution definition
Substitution definition
Replacing letters (variables) with their numerical values
BIDMAS stands for
BIDMAS stands for
Brackets, Indices, Division, Multiplication, Addition, Subtraction
First step in BIDMAS
First step in BIDMAS
Brackets
Second step in BIDMAS
Second step in BIDMAS
Indices (powers and roots)
Division & Multiplication order in BIDMAS
Division & Multiplication order in BIDMAS
Left to right
When to substitute values
When to substitute values
Before starting calculations
Why bracket negative numbers in substitution
Why bracket negative numbers in substitution
To avoid calculation errors