CAIE IGCSE Mathematics Core C2.6.1 Represent and Interpret Inequalities Including on a Number Line Questions

Practise Core CAIE IGCSE Mathematics by choosing open or closed endpoints, shading the correct interval, and reading or listing values that satisfy inequalities.

Exam points

Represent strict and inclusive inequalities on a number line with open or closed endpoints and the correct shading.
Read a shaded number line to write the corresponding one-sided or double inequality, then list integer values that satisfy its bounds.

[Maximum number: 3]

(a)

Write down the smallest even integer that satisfies the inequality y>2.5.

[ 1 ]

(b)

Write an inequality, in terms of x, to represent the interval shown on this number line.

Figure for Question (b) — CAIE IGCSE Mathematics Core

[ 2 ]

$-2<x\leqslant4$

B1 for x>-2 or $x\leqslant4$ .

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CAIE IGCSE Mathematics Core C2.6.1 Represent and Interpret Inequalities Including on a Number Line Questions question 1

Question (a)

Question (b)