In this chapter, we will learn to
- Round off numbers to a required number of decimal places
- Round off numbers to a required number of significant figures
- Estimate the results of computation
- Understand the concepts of rounding & truncation errors
Let's revisit something we know...
Rounding Off Numbers to a required number of Decimal places
Try the following to recall what you are familiar with...
Activity 1: BBC Skillwise "Rounding & Estimating Number" Quiz
Activity 2: Rounding Quiz
- Here's another quiz to round numbers to the nearest thousands, ten thousands, hundred thousands, and millions.
- Click at "CLICK HERE TO TAKE TEST" to start the quiz.
- This is a game that you can choose to 'earn' 1, 2 or 3 points in each successful 'throw' of the basketball
- In this game, you will complete the course using estimation skills in as few strokes as possible.