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Essential mathematics

Level: 12 Stage 2
School code: 12MEM
Year level requirements: Non compulsory
SACE code: 2MEM20
SACE credits: 20


Consistent C- grades or better required in Stage 1 General Mathematics A and B and Consistent C- grades in the Semester Exams for Stage 1 Mathematical Applications A and B.

Entry from Stage 1 Essential Mathematics requires consistent B grades or better required in Stage 1 Essential Mathematics A and B, consistent B grades in the Semester Exams for Stage 1 Essential Mathematics A and B, and teacher recommendation.

Subject descriptor:

Essential Mathematics is 20 credit subject at Stage 2. Essential Mathematics offers senior secondary students the opportunity to extend their mathematical skills in ways that apply to practical problemsolving in everyday and workplace contexts. Students apply their mathematics to diverse settings, including everyday calculations, financial management, business applications, measurement and geometry, and statistics in social contexts.

In Essential Mathematics there is an emphasis on developing students’ computational skills and expanding their ability to apply their mathematical skills in flexible and resourceful ways. This subject is intended for students planning to pursue a career in a range of trades or vocations.

Stage 2 Essential Mathematics consists of the following six topics:

  • Topic 1: Scales, Plans, and Models
  • Topic 2: Measurement
  • Topic 3: Business Applications
  • Topic 4: Statistics
  • Topic 5: Investments and Loans
  • Topic 6: Open Topic

Students study five topics from the list of six topics above. All students must study topics 2, 4, and 5.


There are two main components that form the assessment:

Assessment Type Possible Number of Items in Semester 1 Approximate Weightings of Each Assessment Type
Skills & Applications Tasks (SATs) 4 30%
Investigations / Folio Tasks 3 40%
External Assessment 2 hour Examination 1 30%

External Assessment

  • 2 hour examination at the end of the year, based on topics 2, 4 and 5.

Special requirements:

Graphics Calculator - Casio 9860G – AU plus OR CG20AU.

Estimated subject fees:

Item Price
Graphics Calculator
(if previously unowned)
Revision Guide $25