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Mathematics / Year 6 / Number and Algebra / Number and place value
Identify and describe properties of prime, composite, square and triangular numbers (ACMNA122)
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)