Approximations Summary

Approximations

things to learn

when making calculations or taking measurements, numbers have to be approximated.

this is done by rounding off.

 

 

Key Skills

 

 
  • approximate an amount to a certain number of significant figures
  • approximate an amount to a certain number of decimal places
  • estimate the value of numbers and the answers to problems before using a calculator

Vocabulary

approximation, estimation, significant figures.