Estimating Solutions by Rounding

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Estimating Solutions by Rounding

 

Students learn to estimate solutions by rounding numbers to a significant figure.

As learning progresses, students also consider approximations of square roots and use the order of operations to break calculations down.

Differentiated Learning Objectives
  • All students should be able to estimate a solution by rounding each number to one significant figure.
  • Most students should be able to estimate a solution by rounding each number to one significant figure and the nearest square number.
  • Some students should be able to estimate solutions using a combination of rounding to the nearest significant figure, square/cube number or square root.
Scheme of Work

Accuracy and Rounding Foundation

Estimations and Limits of Accuracy Higher

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