Topics: Starter | Arithmetic | Estimating | Mental Methods | Mixed

• Mathematics Guidance: Key Stage 3, NCETM
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• It is also important to emphasise the of measures in real-life contexts. This will support students in understanding that measuring is always to a certain degree of accuracy. This teaching will then support students’ understanding of and facility with estimating and rounding – essential skills for working with real-life situations involving contextualised data.
  
  Estimate calculations by rounding: Estimation is a key skill that contributes to students’ fluency in calculation. Fluency demands that students have strategies for checking the validity of their answers. Students who are proficient in carrying out algorithms, but who have no idea whether the answer to a calculation is sensible or not, are not fully fluent.
  
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