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Related Concept Videos

Numerical Calculations01:24

Numerical Calculations

In engineering applications, the representation of the numerical value is critical. Presenting or reporting the answer is one of the essential parts of engineering practices. Numerical calculations are performed using handheld calculators or computers since numerically accurate answers are always preferred.
The solution to a problem is obtained using different methods. While manually solving algebraic symbols is one of the most common methods, the graphical method is often preferred. Computers...
Significant Figures in Calculations00:58

Significant Figures in Calculations

Uncertainty in measurements can be avoided by reporting the results of a calculation with the correct number of significant figures. This can be determined by the following rules for rounding numbers:
Real Number Operations01:27

Real Number Operations

The concept of real numbers includes all the values that can be represented on a continuous number line. The system began with basic counting values used for enumeration. It later expanded to include values that represent the absence of quantity and opposites of the counting values. When situations required expressing parts of a whole or dividing quantities evenly, values capable of representing such proportions were developed. When written using decimal notation, these values can end or repeat...
Uncertainty in Measurement: Significant Figures03:34

Uncertainty in Measurement: Significant Figures

All the digits in a measurement, including the uncertain last digit, are called significant figures or significant digits. Note that zero may be a measured value; for example, if a scale that shows weight to the nearest pound reads “140,” then the 1 (hundreds), 4 (tens), and 0 (ones) are all significant (measured) values.
Rules for Significant Figures01:44

Rules for Significant Figures

In any measurement, the precision of the measuring tool is an essential factor. An ordinary ruler, for example, can measure length to the closest millimeter; a caliper, on the other hand, can measure length to the nearest 0.01 mm. As a result, the caliper is a more precise measurement tool because it can measure extremely minute changes in length. The measurements will be more accurate if the measuring tool is more precise.
It should be emphasized that when we represent measured values, the...
Uncertainty in Measurement: Reading Instruments02:46

Uncertainty in Measurement: Reading Instruments

Counting is the type of measurement that is free from uncertainty, provided the number of objects being counted does not change during the process. Such measurements result in exact numbers. By counting the eggs in a carton, for instance, one can determine exactly how many eggs are there in the carton. Similarly, the numbers of defined quantities are also exact. For example, 1 foot is exactly 12 inches, 1 inch is exactly 2.54 centimeters, and 1 gram is exactly 0.001 kilograms. Quantities...

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Related Experiment Video

Updated: Jul 7, 2026

Multimedia Battery for Assessment of Cognitive and Basic Skills in Mathematics (BM-PROMA)
10:58

Multimedia Battery for Assessment of Cognitive and Basic Skills in Mathematics (BM-PROMA)

Published on: August 28, 2021

Understanding decimal numbers: a foundation for correct calculations.

Robyn U Pierce1, Vicki A Steinle, Kaye C Stacey

  • 1University of Melbourne. r.pierce@unimelb.edu.au

International Journal of Nursing Education Scholarship
|March 4, 2008
PubMed
Summary

Many nursing students struggle with understanding decimal numbers. This study shows a targeted intervention significantly improved their conceptual grasp, making calculations more meaningful and interpretation sensible.

Related Experiment Videos

Last Updated: Jul 7, 2026

Multimedia Battery for Assessment of Cognitive and Basic Skills in Mathematics (BM-PROMA)
10:58

Multimedia Battery for Assessment of Cognitive and Basic Skills in Mathematics (BM-PROMA)

Published on: August 28, 2021

Area of Science:

  • Nursing Education
  • Mathematics Education
  • Numeracy Skills

Background:

  • Recent interventions improved nursing students' numeracy via procedural practice.
  • A significant minority of nursing students possess inadequate conceptual understanding of decimal numbers.
  • This deficit hinders meaningful application of calculation rules and sensible interpretation of numerical data.

Purpose of the Study:

  • To assess the effectiveness of an intervention designed to enhance nursing students' conceptual understanding of decimal numbers.
  • To improve students' comprehension of decimal magnitude for better application of calculation rules.
  • To enable students to interpret decimal numbers, including digital outputs and calculation results, more accurately.

Main Methods:

  • Utilized a validated, time-efficient diagnostic tool to identify students with poor decimal number comprehension.
  • Implemented a remedial intervention focused on the conceptual understanding of decimal number size.
  • Administered a delayed post-intervention test to evaluate learning gains.

Main Results:

  • The remedial intervention led to significant improvements in students' understanding of decimal numbers.
  • Post-intervention test results demonstrated enhanced conceptual knowledge compared to baseline.
  • The diagnostic instrument effectively identified students requiring foundational numeracy support.

Conclusions:

  • Nurse educators should prioritize diagnosing and remediating foundational decimal number understanding before teaching procedural calculation rules.
  • Addressing conceptual deficits in decimal numbers is crucial for improving overall nursing numeracy.
  • Targeted interventions can effectively enhance essential mathematical skills in nursing students.