CAIE IGCSE Mathematics Core C2.6.1 Represent & interpret inequalities, including on a number line

Practise interpreting and representing inequalities on number lines, choosing the correct signs for open and closed endpoints.

Syllabus
2028–2030
Objective
C2.6.1
Level
Core

Exam points

  • draw a number-line interval from an inequality, using open circles for and closed circles for ≤ or ≥
  • write the inequality represented by a number line, including variables other than x
  • explain why an interval statement is incorrect when endpoint circles require inclusive signs

C2.6.1 Represent and interpret inequalities, including on a number line question 1

[Maximum number: 2]

n is an integer where n>-3 and n⩽1n\leqslant1.
Write down all the possible values of n.

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