What this lesson covers
Perimeter is a 6-part Class 3 Mathematics lesson. Each part makes one point and then hands over to the next, so it can be read in a sitting or picked up again at the part you stopped on. It defines the idea in plain words before using it, works through an example step by step, breaks the topic into its parts and compares them, ends with a recap of what to remember.
How it begins
Perimeter is the total distance around the outside of a shape. Add up every side.
The 6 parts
- All the way round
- Adding the sides
- A shortcut for rectangles
- Always write the unit
- Perimeter pro!
- Watch one worked through
Practise Perimeter
Everything on QuizByt for Class 3 Mathematics that goes with this lesson: read it first, then test yourself while it is fresh.
🧠 5 quizzes on Perimeter (2 easy, 2 medium, 1 hard)
Work up from easy to hard: the hard quiz asks the Class 3 exam-style questions on Perimeter.
🖨️ Printable worksheet
Perimeter on paper for Class 3, with room to write the working out. Preview the first page free.
🎮 Games for Class 3 Mathematics
Number and logic games at the right level for Class 3. Passing a quiz on Perimeter earns the credits that open them.
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