Triangle Area Grid Estimation
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Triangle Area Grid Estimation
📐 Part 1: Understanding Right-Angled Triangles
🎨 Part 2: Grid Estimation Activities
Instructions: For each triangle below, use coloured pencils to estimate the area by following these steps:
• Colour fully covered squares in one colour
• Colour partially covered squares in a different colour
• Count and record your estimates
Number of fully covered squares: _______
Number of partially covered squares: _______
Estimated area from partial squares: _______
Total estimated area: _______ square units
Number of fully covered squares: _______
Number of partially covered squares: _______
Estimated area from partial squares: _______
Total estimated area: _______ square units
My triangle's estimated area: _______ square units
Base length: _______ units
Height length: _______ units
🤔 Part 3: Reflection and Reasoning
Area using formula (½ × base × height) = ½ × _____ × _____ = _____ square units
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