Year 3

Perimeter on a square grid

Count the sides of the squares all the way round — into the notches too, where they are easiest to miss. The squares print a true centimetre, so a ruler gives the same answer.

Sheet settings
Exercise
Shapes
Smallest area 4 cm²
Largest area 12 cm²
How many shapes 8
Digit size 5.0 mm
Curriculum profile

Applies suggested difficulty. Language and notation have their own settings. These are approximate teaching suggestions.

Suggested settings
Suggested learning sequence
Year or grade for suggested settings 3
Page
Large print, measuring tools at actual scale
Paper
Orientation
Ink
Name and date line
QR code back to this sheet
Add the answer key

Type the code from a printed sheet to get that exact sheet back.

Perimeter on a square grid

Starting the generator…

It downloads once and then works offline: 53 handwriting models are in there.

The preview is exactly what comes out of the printer: the same code draws both.

What we are building

The same ground, on a tablet. The sheets are free and will stay free; the apps are how we make a living.

Building

Bubo

Reading, Year 1

The genetic method: hear the sound, meet the capital letter, read the first word. Czech and Slovak, with Bubo the owl.

Building

Numbernauts

Maths to twenty

Twenty-seven small games: counting, comparing, adding and taking away, number snakes and sum pyramids — and a robot you program a route for.

In testing

World Sort

Geography, once the numbers are easy

Sort countries by population or area, find them on the map, learn flags, capitals and anthems. For older children, and for adults.