Mathematics / Year 6 / Number and Algebra / Number and place value

Curriculum content descriptions

Identify and describe properties of prime, composite, square and triangular numbers (ACMNA122)

Elaborations
  • understanding that some numbers have special properties and that these properties can be used to solve problems
  • representing composite numbers as a product of their prime factors and using this form to simplify calculations by cancelling common primes
  • understanding that if a number is divisible by a composite number then it is also divisible by the prime factors of that number (for example 216 is divisible by 8 because the number represented by the last three digits is divisible by 8, and hence 216 is also divisible by 2 and 4)
General capabilities
  • Literacy Literacy
  • Numeracy Numeracy
ScOT terms

Triangular numbers,  Composite numbers,  Perfect squares,  Prime numbers

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Audio

Self Improvement Wednesday: The beauty of prime numbers

A prime number is a number that only has two factors: one and itself. Listen to Adam Spencer and Richard Glover discussing prime numbers. They cover how we define these numbers and how and why prime numbers are widely used in internet encryption.