Proportional Reasoning: Ratio and Percentage · Semester 1

Introduction to Percentage

Understanding percentage as 'parts per hundred' and converting between fractions, decimals, and percentages.

Key Questions

  1. Explain why 100 is used as the standard base for percentages in finance and statistics.
  2. Compare the advantages of expressing a quantity as a fraction, decimal, or percentage in different contexts.
  3. Design a visual representation to demonstrate the equivalence between a fraction, decimal, and percentage.

MOE Syllabus Outcomes

MOE: Percentage - P5
Level: Primary 5
Subject: Mathematics
Unit: Proportional Reasoning: Ratio and Percentage
Period: Semester 1

Suggested Methodologies

Concept Mapping

Build visual maps of concept relationships

20–40 min

Learn more about Concept Mapping

Stations Rotation

Rotate through different activity stations

35–55 min

Learn more about Stations Rotation

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More in Proportional Reasoning: Ratio and Percentage

Introduction to Ratio

Using ratio notation to compare two or more quantities and finding equivalent ratios.

2 methodologies

Simplifying Ratios and Finding Missing Terms

Simplifying ratios to their simplest form and finding unknown terms in equivalent ratios.

2 methodologies

Solving Ratio Word Problems

Applying ratio concepts to solve real-world problems involving two or more quantities.

2 methodologies

Calculating Percentage of a Quantity

Calculating percentages of whole numbers and quantities, including mental strategies.

2 methodologies

Percentage Word Problems (Finding Part/Whole)

Solving word problems involving finding a percentage of a quantity or finding the whole given a percentage.

2 methodologies

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