Mathematics / Year 8 / Number and Algebra / Real numbers

Curriculum content descriptions

Investigate the concept of irrational numbers, including π (ACMNA186)

Elaborations
  • understanding that the real number system includes irrational numbers
General capabilities
  • Numeracy Numeracy
ScOT terms

Irrational numbers

Video

Mystery man Pythagoras meets his match

What do you know about Pythagoras? Join Vi Hart as she not only explains his theorem but raises some legends about his dark past! Follow Vi's timeline of famous mathematicians to find out in which century Pythagoras lived. See how Vi shows a proof of his theorem and raises what was a big dilemma for Pythagoras: the irrational ...

Online

Investigating irrational numbers including pi

This is a website designed for both teachers and students that refers to irrational numbers including pi from the Australian Curriculum for year 8 students. It contains material on the real number system and explains how irrational numbers were introduced historically to this system. Information on constructing rational ...

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Exploring and applying Pythagoras’ theorem

These four lessons targeting students Year 8, can be used as stand alone or as a sequence of lessons. The series of lessons progressively introduce, explore, and apply the theorem in various contexts. Students investigate practical and theoretical problems involving right-angled triangles, discover Pythagorean triples, ...

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Irrational Numbers - Calculate

In this unit, let's investigate irrational numbers! We'll look at some examples of commonly used irrational numbers such as Pi (π), the 'Golden Ratio' and the natural logarithm 'e', and explore where irrational numbers have applications in the real world

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8N04A Irrational numbers - Ochre Education

This unit of work focuses on irrational numbers. Students define, recognise, and approximate real and irrational numbers, including π and square and cube roots of non-perfect square and cube numbers; add and subtract, multiply and divide, raise to positive integer powers and the 0th power, square root and cube root irrational ...

Downloadable

Operations: Foundation to Year 9

This comprehensive resource describes the progression of ideas that cover addition and subtraction of integers; multiplication and division of integers; the four operations with common and decimal fractions; and operation applications with percent, rate and ratio.

Downloadable

Number: Foundation to Year 9

This comprehensive resource describes the progression of number-related ideas showing the relationship to other curriculum strands. The resource demonstrates examples of relevant teaching strategies, investigations, activity plans and connected concepts in number including teaching and cultural implications.

Online

Number sequence: Year 8 – planning tool

This planning resource for Year 8 is for the topic of Number sequence. Students are introduced to real numbers and irrational numbers. Take time to explain the real number system so that students understand that irrational numbers are part of the real number group.

Online

TIMES Module 15: Measurement and Geometry: Pythagoras's theorem - teacher guide

This is a 24-page guide for teachers. It contains proofs of Pythagoras's theorem and its converse, applications of Pythagoras's theorem and a discussion of Pythagorean triads. A history of Pythagoras's theorem concludes the module.