A World Without Maths Dividing using repeated subtraction

A World Without Maths Dividing using repeated subtraction

Mrs Barker has just bought some yummy treats for her dogs and they can’t wait to eat them. There is just one problem, if the dogs don’t get the same number of treats each, they get seriously cranky. This sounds like a job for Divider Girl. Can Divider Girl use sharing and repeated subtraction to help Mrs Barker share the treats out equally? How might her number line help? Will they manage to calm the dogs and save Mrs Barker from her position of peril? Teacher notes: You could get your class to continue their learning by solving real life division problems. They could use objects, pictures or arrays to share out amounts equally. Some children might use a number line to do repeated subtraction to divide. The problems could be based on the story they have watched. For example: Can you help Mrs Barker feed her rabbits? There are 20 carrots and 5 pet rabbits. They must all get the same amount or they will not be happy! How many carrots will each rabbit get? What method will you use to solve the problem? How might you show this in a picture? As a calculation? Children could mimic the gesture Divider Girl makes with her arms when attempting division problems. Gestures can help with recalling math terms, linking them to the relevant symbol and making student thinking more visible.

  • 2018
  • 00:03:12
  • 5-8
  • Added on: 09/03/2019
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Division -- Study and teaching (Elementary) [LCSH] Games in mathematics education [LCSH] Mathematics [LCSH] Numeracy [LCSH]
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MARC Record
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Teacher Guide(s)

  • How to Use Video Effectively in the Classroom [.pdf]

    How to Use Video Effectively in the Classroom [.pdf]

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