Lesson Details


  • Name: Estimation
  • Code: M.4.9.N1.3
  • Specification Reference: N14
  • Keywords: Significant figure, simplify, estimate, approximate, root.
  • Objectives: 1. To learn the key rules for estimating. 2. To be able to estimate basic calculations. 3. To apply this to estimating surd values.
  • Competency: To learn the key rules for estimating.
  • Proficiency: To be able to estimate basic calculations.
  • Mastery: To apply this to estimating surd values.

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