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M1 · Arithmetic

Overview

<<<<<<< HEAD This module covers the numerical operations needed for clinical calculations. You will learn how to work with whole numbers, fractions, decimals, rounding, and percentages.

Work through each topic in order, or use the self-check at the end of each page to confirm you're ready to move forward.

======= This module covers the numerical operations needed to perform clinical calculations. You will learn how to work with whole numbers, fractions, decimals, rounding, and percentages.

Work through each topic in order, or use the self-check at the end of each page to confirm you're ready to move forward.

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Learning Objectives

By the end of this module you will be able to:

  • Perform operations with whole numbers, fractions, and decimals.
  • Round numbers to the required precision using nursing standards.
  • Read and calculate with percentages and solution concentrations.
  • Recognize fractions as relationships between quantities.

Topics

Topic Key Skills
Whole Numbers Place value, multiplication and division, powers of ten, estimation
Fractions Reading a fraction as a factor, multiplying, simplifying
Decimals Place value, safe notation, connecting decimals to metric units
Rounding Nearest whole, tenth, hundredth rounding
Percentages Converting, calculating, reading solution concentrations

Estimated Time

Approximately 1–2 hours including practice problems.

Before You Begin

Have a pen and paper ready. Attempt every practice problem by hand before checking the answer. Writing out each step builds the habit of showing and verifying your work.

Notation Safety

The rules for writing numbers safely are covered in Writing Numbers Safely in the Start Here section. Review that page before beginning if you haven't already.