Approximation & Accuracy

By the end of this topic, you should be able to:

• Round off numbers to the nearest tenth, hundredth and thousandth
• Apply the concepts of rounding up and rounding down (rounding off) in whole or decimal numbers and fractions.
• Solve problems involving decimal places and significant figures
• Determine the accuracy of measured quantities in terms of their lower and upper bounds
• Calculate the percentage error of measured quantities