Percentage Increase and Decrease
Students will calculate percentage changes, including finding the new amount after an increase or decrease.
Key Questions
- Analyze the impact of a percentage increase versus a percentage decrease on an original value.
- Justify the use of a multiplier for efficient percentage change calculations.
- Predict the outcome of successive percentage changes on an initial quantity.
National Curriculum Attainment Targets
Suggested Methodologies
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Planning templates for Mathematics
5E Model
The 5E Model structures lessons through five phases (Engage, Explore, Explain, Elaborate, and Evaluate), guiding students from curiosity to deep understanding through inquiry-based learning.
unit plannerMath Unit
Plan a multi-week math unit with conceptual coherence: from building number sense and procedural fluency to applying skills in context and developing mathematical reasoning across a connected sequence of lessons.
rubricMath Rubric
Build a math rubric that assesses problem-solving, mathematical reasoning, and communication alongside procedural accuracy, giving students feedback on how they think, not just whether they got the right answer.
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