Chap 3: Approximation and Estimation (Preparation)

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
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Let's revisit something we know...
Rounding Off Numbers to a required number of Decimal places





Quick Notes:


Try the following
to recall what you are familiar with...

Activity 1: BBC Skillwise "Rounding & Estimating Number" Quiz
Activity 2: Rounding Quiz
Activity 3: Half Court Rounding
Activity 4: Estimation Valley Golf