GCSE MATHS REVISION
NOTES
Foundation & higher | exam focused
What You Need to Know
Negative numbers appear below zero on the number line.
Key Rules
Rule 1: Two negatives multiply to a positive
Rule 2: Subtracting a negative = adding
Worked Example
A simple worked example illustrating the key concepts.
Question: −3 − (−5)
Solution: = -3 + 5 = 2
© Bright Sparks Tutoring – GCSE Maths Revision Notes – Personal Use Only
NOTES
Foundation & higher | exam focused
What You Need to Know
Negative numbers appear below zero on the number line.
Key Rules
Rule 1: Two negatives multiply to a positive
Rule 2: Subtracting a negative = adding
Worked Example
A simple worked example illustrating the key concepts.
Question: −3 − (−5)
Solution: = -3 + 5 = 2
© Bright Sparks Tutoring – GCSE Maths Revision Notes – Personal Use Only
