Proportional Reasoning · Number and Algebra

Decimals and Percentages in Context

Applying decimal and percentage calculations to financial literacy and data interpretation.

Key Questions

  1. 1How do percentages allow us to compare two quantities that have different totals?
  2. 2Why do we shift the decimal point when multiplying by powers of ten?
  3. 3In what scenarios would a 50 percent increase followed by a 50 percent decrease not return you to your original value?

ACARA Content Descriptions

AC9M7N06AC9M7N07
Year: Year 7
Subject: Mathematics
Unit: Proportional Reasoning
Period: Number and Algebra

Suggested Methodologies

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