# Measurement

## ITP Perimeter

Same interactive as ITP Area with the same tools and backgrounds

Perimeter by counting square units          A          B

Make different perimeters using a set number of squares          8 squares          12 squares

Stringy Perimeter          A

Perimeter of compound shapes with sides up to 10          A          B

Perimeter of compound shapes with sides up to 20          A          B

Perimeter of compound shapes with […]

## Area & Perimeter

Practical application of skills to measure and fit out different rooms in a house

Nrich Maths          Through the Window          A Day with Grandpa

## Perimeter

Calculate perimeters of regular and irregular polygons

Perimeter of rectangles with sides up to 10          A          B

Perimeter of rectangles with sides up to 20          A          B

Perimeter of rectangles with sides up to 10 including decimals          A          B

Perimeter of rectangles with sides up to 10 including decimals          A          B

Polygon perimeters with sides up to 10          A          B

Polygon perimeters […]

## Virtual Pinboard

Different backgrounds and shapes allow area calculations using different methods

See Area post for related activities

Nrich Maths          Shape Draw          Dicey Perimeter, Dicey Area          Numerically Equal

## ITP Area

Versatile interactive with squares, dots or a clear background

Flag area with sides up to 10          A          B

Flag area with sides up to 20          A          B

Challenge flag areas with sides up to 16          A          B

Challenge flag areas with sides up to 30          A          B

Great links with symmetry along different axes and a fun game on completing each level

Draw Space Invaders using whole squares          A          B

Draw Space Invaders using whole and half squares          A          B

## Area and Perimeter

Good interactive for revising area and perimeter of different shapes

See work on other area and perimeter interactives

## Area

Calculate areas of different shapes using a range of methods

Area by counting squares          A          B

Making rectangles with different areas          10 squares          12 squares          24 squares

Draw different shapes with the same area          8 squares          18 squares

Draw shapes of different areas from a given line          A          B

Area of rectangles with sides up to 10cm          A          B

Area of rectangles with sides up […]