Mathematics / Year 7 / Number and Algebra / Number and place value

Curriculum content descriptions

Investigate index notation and represent whole numbers as products of powers of prime numbers (ACMNA149)

Elaborations
  • defining and comparing prime and composite numbers and explaining the difference between them
  • applying knowledge of factors to strategies for expressing whole numbers as products of powers of prime factors, such as repeated division by prime factors or creating factor trees
  • solving problems involving lowest common multiples and greatest common divisors (highest common factors) for pairs of whole numbers by comparing their prime factorisation
General capabilities
  • Numeracy Numeracy
ScOT terms

Indices,  Prime numbers

Online

Factors, multiples, primes: Year 7 – planning tool

This planning resource for Year 7 is for the topic of Factors and multiples. Students explore, investigate and describe the relationship between square numbers and square roots.

Online

When I post something online how permanent is it?

Students engage in a photo rip up activity to emphasize the permanency of online information, they explore factor trees, doubling and line graphs through the lens of sharing information, and they collaboratively develop a set of protocols around sharing information online.

Online

The laws of arithmetic and their use in algebra

This is a website designed for both teachers and students that refers to algebraic notation, the laws of arithmetic and the use of these laws in algebra from the Australian Curriculum for year 7 students. It contains material on algebraic notation, the commutative and associative laws, the use of brackets and the orders ...

Online

Square roots and square numbers

This is a website designed for both teachers and students that deals with square roots of square numbers from the Australian Curriculum for year 7 students. It contains material on products of squares and square roots, prime factorisation and square roots of non-perfect squares. There are pages for both teachers and students. ...