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Maths challenge

This week's challenge is: 

  • Rainforests are valuable habitats. About half of all species of animals and plants in the world live in rainforests. If there are 6422 species of amphibian in the world, how many species of amphibian live in the world's rainforest? 
  • Second question - what is the average (MEAN) of our four house point totals? 

Maths Challenge answer sheet: Week 3

You can use this form to send in your answer, the winner will be chosen at random and announced next Monday - good luck!