Irregular Shape Area Calculation
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Irregular Shape Area Calculation
📐 Part 1: Understanding Area Decomposition
To find the area of an irregular shape, we can _____________ it into smaller _____________ or _____________ and then _______ up all their areas.
🔢 Part 2: Basic Area Calculations
Rectangle A: Length = 6 cm, Width = 4 cm
Area = _______ cm²
Rectangle B: Length = 8 cm, Width = 3 cm
Area = _______ cm²
Total area = _______ cm²
✏️ Part 3: Shape Decomposition Practice
Imagine an L-shaped figure on a grid - draw your decomposition lines here
Rectangle 1: Length = _____ cm, Width = _____ cm, Area = _____ cm²
Rectangle 2: Length = _____ cm, Width = _____ cm, Area = _____ cm²
Total area of L-shape = _______ cm²
🧮 Part 4: Problem Solving
Answer: _______ cm²
🎯 Part 5: Challenge Questions
My estimate: _______ cm²
Exact calculation: _______ cm²
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