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Number (multiplication and division): Beaver Dam

3 - Further Challenges

Inspired by Nature Worksheet

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Further Challenges

  • Can you calculate the fewest number of branches that Barney would need to use to span a width of 2 m if he used a mixture of 40 cm, 50 cm, 60 cm and 70 cm branches?
  • Can you calculate the greatest number of branches that Barney would need to use to span a width of 2 m if he used a mixture of 40 cm, 50 cm, 60 cm and 70 cm branches?
  • Can you estimate the height of this human-made dam in the Colorado river basin? Are there any small details in the picture that could help when calculating your estimate?

Glen Canyon Dam, Lake Powell, AZ

https://www.bbc.co.uk/programmes/p0ccx0sz/player

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Related Clip

A beaver pond is a wildlife haven for some many different animal species.

Credit: BBC Two – Springwatch