# SACE Stage 1 Essential Mathematics – Calculations, Time and Ratio

1.1 Calculations

1.2 Time and Rates

1.3 Ratio and Scale

Students extend their proficiency with calculations required for everyday living. Computational skills are practised within contexts relevant to the student’s interests. To develop a better understanding of the mathematical processes involved, the initial focus of the learning in this topic is the performance of calculations by hand. The discerning use of electronic technology is introduced to enable more complex problems to be solved efficiently.

*Source – Subject Outline, South Australian Certificate of Education 2023*

SACE Stage 1 Essential Mathematics Courses

SACE Stage 1 Essential Mathematics Syllabus

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### Whole Numbers

Need for Numbers
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Fractions

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Dividing Fractions
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Decimals

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Recurring Decimals
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Natural Numbers

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Time

Time Conversions
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Rates

Speed
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Concentrations
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Scale Factor
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Scale Drawings
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