Mathematics / Year 9 / Number and Algebra / Patterns and algebra

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Curriculum content descriptions

Extend and apply the index laws to variables, using positive integer indices and the zero index (ACMNA212)

Elaborations
  • understanding that index laws apply to variables as well as numbers
General capabilities
  • Numeracy Numeracy
ScOT terms

Zero index,  Pronumerals,  Positive indices

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2 direct matches to ACMNA212 | 4 other related resources

Interactive

Laptop wrap: Expanding on algebra

  • TLF-IDM016566

Students make a presentation on the index laws, investigate the visual representation of the binomial expansions and design an acronym to help recall the special products. 

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Online

TIMES Module 32: Number and Algebra: fractions and the index laws in algebra - teacher guide

  • TLF-IDM009044

This is a 24-page guide for teachers. This module extends the use of pronumerals to include algebraic fractions. It includes substitution, adding like terms, the use of brackets and multiplying terms, the use of algebra to describe number patterns and extending the use of the index laws. Algebraic notation is discussed.

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Video

The power of exponents

  • TLF-IDM024942

Have you heard of the term "exponential growth"? Growth can occur very quickly when powers are involved. See how you can use the power of two to rapidly increase the amount of anything from grain to coins!

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TIMES Module 33: Number and Algebra: factorisation - teacher guide

  • TLF-IDM009036

This is a 17-page guide for teachers. It continues the discussion of factorisation. In particular, the techniques for the factorisation of quadratic expressions are presented.

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Online

TIMES Module 34: Number and Algebra: quadratic equations - teacher guide

  • TLF-IDM009038

This is a 19-page guide for teachers. It introduces quadratic equations and methods for solving them.

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Online

TIMES Module 36: Number and Algebra: formulas - teacher guide

  • TLF-IDM009037

This is a 13-page guide for teachers. It introduces the use of formulas, and includes substitution and the solution of the resulting equations.

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