Measuring Perimeters
Measure the perimeter of simple 2-D shapes
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Teaching Table
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“If your child wants to put a decorative border around a rectangular picture frame 20 cm wide and 30 cm tall, can they work out the total length of border needed?”
Full guide and materials
- Activity. Measure the perimeter of simple 2-D shapes
What to notice. Measure each side of a rectangle and add the lengths to find the perimeter • Calculate the perimeter of a regular shape given the side length • Explain that perimeter is the total distance around a shape
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1 approach
If your child wants to put a decorative border around a rectangular picture frame 20 cm wide and 30 cm tall, can they work out the total length of border needed?
Measure the perimeter of simple 2-D shapes
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Check understanding
- Measure each side of a rectangle and add the lengths to find the perimeter
- Calculate the perimeter of a regular shape given the side length
- Explain that perimeter is the total distance around a shape
“If your child wants to put a decorative border around a rectangular picture frame 20 cm wide and 30 cm tall, can they work out the total length of border needed?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Measurement
- Age range
- Ages 7–8
Standards