Perimetre of rectangles
Add the lengths of all four sides. Write the number only.
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See worked examples
A rectangular rug is 3 m long and 2 m wide. What is its perimeter? Write the number only.
Answer: 10
A rectangular tile is 2 cm long and 5 cm wide. What is its perimeter? Write the number only.
Answer: 14
A rectangular mat is 3 m long and 4 m wide. What is its perimeter? Write the number only.
Answer: 14
Tip: Add the lengths of all four sides. Write the number only.
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Up next
- Next in this topic Perimetre of squares Third Class
- Ready for more Area and perimetre of rectangles Fourth Class
Curriculum
Common Core: 3.MD.D.8
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On paper: this skill is in the printable pack Grade 3 Common Core Math: Geometry and Measurement, with an answer key.
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- Fence It, Fill It: Area and Perimeter Grades 3–4 · printable lessons
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