Ratios, Rates and Proportions

Compare quantities using ratios, rates and proportions. These articles apply proportional reasoning to percentages, scale, variation and practical problems.

Articles

• Ratio in Maths
• Rates and Unit Rates
• Proportions
• Direct Variation
• Inverse Variation
• Scale Factors
• Scale Drawings and Maps
• Rates of Change
• Dimensional Analysis
• Scientific Notation
• Significant Figures
• Estimation and Approximation
• Error, Accuracy and Precision