These samples represent four content areas examined by the test. The entire mathematics segment also included questions about proportionality and data representation, analysis, and probability. The international averages for this item indicate that working with percentages is a challenge for students in most countries.
Arrow symbol indicates correct answer.
Geometry One of the most difficult geometry items assessed understanding of the properties of congruent triangles. Internationally, the average percentage of correct responses was 35 percent for the eighth grade. These triangles are congruent. The measures of some of the sides and angles of the triangles are shown. Arrow symbol indicates correct answer.