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The weight in kg of an adult male lion.

No calculator

A Mathematics Lesson Starter Of The Day

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

  • Mathematics Guidance: Key Stage 3, NCETM
  • 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.

    public sector information licensed under the Open Government Licence v3.0.

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Laptops In Lessons

Teacher, do your students have access to computers such as tablets, iPads or Laptops?  This page was really designed for projection on a whiteboard but if you really want the students to have access to it here is a concise URL for a version of this page without the comments:


However it would be better to assign one of the student interactive activities below.

Laptops In Lessons

Here is the URL which will take them to a related student activity.


Student Activity


Today's Starter could be called a People Maths activity. You can find ideas for many more People Maths activities by clicking on the link below.


Student Activity


Curriculum Reference

See the National Curriculum page for links to related online activities and resources.


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