What perimeter means
Lace goes round the edge.
The perimeter of a shape is the whole distance round its border. Walk the edge and add.
↳ Round the edge, not inside.
Shared by a Veda teacher · Generated with Veda AI · Oct 2026
Veda Bites are swipeable micro-lessons — each one teaches exactly one idea. Here's a taste from this kit; the app has the full deck.
Lace goes round the edge.
The perimeter of a shape is the whole distance round its border. Walk the edge and add.
↳ Round the edge, not inside.
Four steps for a rectangle.
↳ Double, double, add.
The quilt, step by step.
The quilt is 9 units by 6 units. Doubling gives 18 and 12. Together they make 30 units.
↳ Green lace wins.
How much surface is covered?
Area is the amount of surface a shape covers. It is not the distance round its edge.
↳ Inside, not round.
One tile for everyone.
↳ Count these to measure.
Which shapes tile?
↳ Circles leave gaps.
Nani wants lace round her quilt. Tara and Vikram measure the border, meet the word perimeter, and find short cuts for squares, rectangles and shapes with odd sides.
~28 min · full explanation, examples & memory tricks in the app
Tara and Vikram cover a table with cut-outs. We meet area, find which shapes tile, and count unit squares on squared paper to compare three cloth patches.
~30 min · full explanation, examples & memory tricks in the app
Vikram counts rows instead of patches. We meet the rule for the area of a rectangle and a square, work backwards for a missing side, and find that equal areas can have different borders.
~32 min · full explanation, examples & memory tricks in the app
66 questions laddered from warm-up to topper-level, each with an explanation. A taste:
Tara walks her finger round a quilt that is 9 units long and 6 units wide. What total does she reach?
Beginner30 units
9 + 6 + 9 + 6 comes to 30 units.
The distance all the way round a shape is called its ____.
Beginnerperimeter
Perimeter is the name for the border length.
A square handkerchief has sides of 7 cm. What is its perimeter?
Beginner28 cm
Four equal sides of 7 cm give 4 times 7, which is 28 cm.
Which short cut works for a rectangle?
IntermediateTwo times length added to two times breadth
A rectangle has two long sides and two short sides.
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