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Perimeter online activity for Grade 3 - Free Printable

Educational worksheet: Perimeter online activity for Grade 3. Download and print for classroom or home learning activities.

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- Rectangle (9cm, 4cm): Perimeter = 9 + 4 + 9 + 4 = 26 cm
- Triangle (15mm, 3mm, 11mm): Perimeter = 15 + 3 + 11 = 29 mm
- Square (5mm): Perimeter = 5 + 5 + 5 + 5 = 20 mm
- Trapezoid (8m, 3m, 5m, 8m): Perimeter = 8 + 3 + 5 + 8 = 24 m
- Pentagon-like shape (7cm, 5cm, 7cm, 2cm, 2cm): Perimeter = 7 + 5 + 7 + 2 + 2 = 23 cm
- Equilateral triangle (6km): Perimeter = 6 + 6 + 6 = 18 km
- Right triangle (4km, 3km, 5km): Perimeter = 4 + 3 + 5 = 12 km
- Parallelogram (8cm, 4cm): Perimeter = 8 + 4 + 8 + 4 = 24 cm

Parent Tip: Review the logic above to help your child master the concept of perimeter and area worksheet grade 3.

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