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N-Q.3 Warmup M1-049-A08-V03

Report quantities with accuracy appropriate to measurement limitations.

Find least and greatest possible true values from rounding

Problem

A measurement is reported as \(230~\text{kg}\), rounded to the nearest ten kilograms. Find the least possible true value and the upper cutoff for true values that still round to \(230~\text{kg}\) under normal rounding.

Measurement-accuracy diagram presenting reported values, intervals, or scale candidates without the requested conclusion. Open full size
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Four variants of this problem type
Curriculum context
Course
Math I
Standard
N-Q.3
Category
Number and Quantity
Domain
Quantities
Objective
Report quantities with accuracy appropriate to measurement limitations.
Problem type
Find least and greatest possible true values from rounding