CAIE IGCSE Mathematics Core C1.10.1 Give Upper and Lower Bounds for Data Rounded to a Specified Accuracy Questions

Work through Core CAIE IGCSE Mathematics bounds questions by finding the interval represented by a rounded value and interpreting its limits.

Exam points

find lower and upper bounds for a rounded measurement
write bounds using correct inequality signs and units
use bounds to reason about whether a value is possible

[Maximum number: 2]

The height, h metres, of a fence post is $2.43\,\mathrm{m}$ , correct to the nearest centimetre.
Complete the statement about the value of h.

$......\leqslant h<......$

$2.425\leqslant h<2.435$
B1 for each
If zero scored, SC1 for $242.5\leqslant h<243.5$ or for both correct but reversed

All question bank results loaded

CAIE IGCSE Mathematics Core C1.10.1 Give Upper and Lower Bounds for Data Rounded to a Specified Accuracy Questions question 1