GCSE Mathematics Symbols
• Teacher Presentation
Learning Objectives
• Understand inequalities, brackets, powers,
roots, ± and π.
Inequality Signs
• 5Greater
than (>), Less
> -2
1/2 < 2/3than (<), Greater/less
than or equal to (≥, ≤).
Brackets
• Used to group expressions and control order
of operations.
Powers and Exponents
• Repeated multiplication.
Square Roots
• Inverse
of 9²squaring.
√81 = 9 because
= 81
Cube Roots
• Inverse
of 4³cubing.
∛64 = 4 because
= 64
Plus-Minus (±)
• Represents two possible values.
Pi (π)
• Ratio of circumference to diameter.
π = Circumference ÷ Diameter
Class Practice
• Try the examples before checking answers.
Answers
• Review and discuss solutions.