This PowerPoint was created with explicit instruction in mind. It will help teachers present information, develop concepts, demonstrate processes and revise. The language is concise. The graphics are relevant and eye-catching.

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Focus

• compare areas and perimeters
• use formulas to calculate areas and perimeters of rectangles
• investigate the perimeters of rectangles with equal areas
• investigate the areas of rectangles with equal perimeters
• solve problems involving both area and perimeter