Our primary objective is to provide
nurses, nursing students and instructors with a thorough,
selfcontained, and reliable source of information. And we hope to
present the topic as a form of rational, reasonable thinking.
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Disclaimer
The medical information on this site is provided as an
information resource only, and is not to be used or relied on for
any diagnostic or treatment purposes.

Part 1
Working with Whole Numbers
11 Introduction to Whole Numbers
12 Place Values
13 Rounding Whole Numbers
14 Adding Whole Numbers
15 Subtracting Whole Numbers
16 Multiplying Whole Numbers
17 Dividing Whole Numbers
18 Comparing WholeNumber Values
Part 2 Working with Fractions
21 Introducing Fractions
22 Converting Fractions to Higher Terms
23 Reducing Fractions
24 Converting Between Improper Fractions and Mixed Numbers
25 Multiplying Fractions and Mixed Numbers
26 Dividing Fractions and Mixed Numbers
27 Finding Common Denominators
28 Adding and Subtracting Fractions and Mixed Numbers
29 Comparing Fractions
Part 3 Working with Decimals
31 Naming Decimals
32 Rounding Decimals
33 Converting Between Fractions and Decimals
34 Adding and Subtracting Decimals
35 Multiplying Decimals
36 Dividing Decimals
Part 4 Working with Percentage, Ratio, and Proportion
41 Understanding Percentage
42 Understanding Ratio and Proportion
43 Introduction to Measurement Standards
44 Working with Dimensional Analysis
45 Doing Length Conversions
46 Doing Volume Conversions
47 Doing Mass Conversions
48 Doing Time and Rate Conversions
Part 5 Dosage Calculations
51 Introduction to Dosage Calculations
52 Tablet Dosage Calculations
53 Fluid Dosage Calculations
54 Special Parenteral Medication Dosages
55 IV Rate Calculations
56 Dosage by Patient Weight
Dosage Drill.
This is the goto resource for
checking and perfecting your ability to solve realistic dosage
problems. 

