Free interactive practice
Play Geometry Lab
Compare generated angles with a right angle, connect right angles with turns, recognise supplied line descriptions and add supplied side lengths to find perimeter. Saving is off unless you choose it.
Calculate perimeter from supplied side lengths. Measuring shapes with a ruler or scale needs other activities.
Year 3 · Maths
Measure 2D Shapes
Start here
Focus on calculating the perimeter of shapes. Open support for “Calculate the Perimeter of a Range of 2D Shapes”, then explain the idea in your own words.
Year 3 learners practise calculating the perimeter of shapes.
The activities include Calculate the Perimeter of a Range of 2D Shapes, Calculate the Perimeter of Irregular Shapes, Calculate the Perimeter of Simple 2D Shapes, and related practice. The checked support below includes worksheet, teaching-practice, lesson, video. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.
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- Calculate the Perimeter of a Range of 2D Shapes — support from YouTube — Twinkl Educational Publishing
- Calculate the Perimeter of Irregular Shapes — support from YouTube — Math with Mr. J
- Calculate the Perimeter of Simple 2D Shapes — support from YouTube — Twinkl Educational Publishing
- Use the Information Given to Work Out the Perimeter of Shapes — support from YouTube — Homeschool Pop
- Work Out the Perimeter of a Range of 2D Shapes — support from YouTube — Homeschool Pop
- Work Out the Perimeter of Simple 2D Shapes — support from YouTube — Homeschool Pop
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Watch it explained
watch a video explanation
How Do You Calculate the Perimeter of Rectilinear Shapes? | KS2 Maths Concept for Kids
Best for: a clear explanation before you practise
Finding the Perimeter and Area of a Composite Shape | L-Shaped Example | Geometry | Math with Mr. J
Best for: a clear explanation before you practise
Perimeter for Kids
Best for: a clear explanation before you practise
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Learn it properly
lessons and teaching pages
PlanIt Maths Year 3 Measurement Lesson Pack 8: Calculate Perimeter
Best for: worked examples and step-by-step teaching
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Practise it
questions and activities to try
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Print and finish
worksheets away from the screen
Year 3 Measure Perimeter Activity Sheets
Best for: pencil-and-paper practice away from the screen
Year 3 Measure Perimeter Lesson
Best for: pencil-and-paper practice away from the screen
Year 3 Perimeter Word Problems
Best for: pencil-and-paper practice away from the screen
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