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Contributor lessons: Swarming Cicadas

3 - Further Challenges

Inspired by Nature Worksheet

Click to download. Best opened in Microsoft Word on all devices.

Further Challenges

The numbers 13 and 17 are prime numbers

  • Two Primes Make One Square is a fabulous problem-solving activity on the Nrich website that will help consolidate your knowledge and understanding of both prime and square numbers.

Related Clip

Why are insects so important?

Credit: CBBC – Newsround