Grade 3 · Year 4 · Class 3 · ages 8–9 · Geometry
Perimeter of rectangles and squares: Grade 3 practice
Finding the distance all the way round a rectangle or a square. Eight questions at a time, instant feedback and a mastery score from 0 to 100.
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The idea in one minute
Perimeter is the distance round the edge: add all four sides, or double (length + width).
Try these on paper first
One question at each level. Tap a question to see the answer.
Easy A rectangle is 10 cm long and 7 cm wide. Its perimeter in cm is
Answer: 34
Medium A rectangle is 18 cm long and 15 cm wide. Its perimeter in cm is
Answer: 66
Challenge A rectangle is 22 cm long and 18 cm wide. Its perimeter in cm is
Answer: 80
More ways to practise perimeter of rectangles and squares
- Printable perimeter of rectangles and squares worksheet with an answer key (new questions every time)
- Geometry Explorer: Practise area, volume, circles and right-triangle relationships with short challenges.
- All Grade 3 practice · Geometry worksheets
Related skills
- Area of rectangles and squares (Grade 4)
- Sides, faces and corners of shapes (Grade 1)
- Volume of cuboids (Grade 5)
- Area of rectangles, triangles and parallelograms (Grade 6)
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FAQ
Perimeter of rectangles and squares: questions
What grade is perimeter of rectangles and squares?
It is usually taught in Grade 3 (Year 4 in England, Class 3 in India, ages 8–9), though schools and countries differ. Try the grade above or below if it feels too hard or too easy.
What does a perimeter of rectangles and squares question look like?
For example: "A rectangle is 18 cm long and 15 cm wide. Its perimeter in cm is" The answer is 66. Perimeter is the distance round the edge: add all four sides, or double (length + width).
What should I learn before and after perimeter of rectangles and squares?
Before it, try sides, faces and corners of shapes (Grade 1). After it, move on to area of rectangles and squares (Grade 4).
How can I get better at perimeter of rectangles and squares?
Perimeter is the distance round the edge: add all four sides, or double (length + width). Practise a little every day, read the hint after each wrong answer, and use the printable worksheet when you want to write it out.
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