Activity 1
8 cm × 3 cm: P = ?
Show step-by-step solution
P = 2(8 + 3) = 22 cm.
EDUCADORS / Learning guide
Primary school · Geometry
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Learning objective: Distinguish perimeter from area.
Perimeter measures the boundary; area measures the enclosed surface.
Worked example
6 cm × 4 cm → P = 20 cm; A = 24 cm²
Practise and check
Activity 2
7 cm × 7 cm: A = ?
Show step-by-step solution
A = 7² = 49 cm².
Activity 3
b = 10 cm, h = 6 cm: A(△) = ?
Show step-by-step solution
A = (10 × 6) ÷ 2 = 30 cm².
Learning tip: Perimeter measures the boundary; area measures the enclosed surface.
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Learning guide
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