Area - squares and rectangles

There are 91 NRICH Mathematical resources connected to Area - squares and rectangles
Sticky Tape
problem

Sticky tape

Age
14 to 16
Challenge level
filled star filled star empty star
Work out the radius of a roll of adhesive tape.
A day with Grandpa
problem

A day with grandpa

Age
7 to 11
Challenge level
filled star filled star filled star
Grandpa was measuring a rug using yards, feet and inches. Can you help William to work out its area?
Framed
problem

Framed

Age
11 to 14
Challenge level
filled star filled star filled star
Seven small rectangular pictures have one inch wide frames. The frames are removed and the pictures are fitted together like a jigsaw to make a rectangle of length 12 inches. Find the dimensions of the pictures.
Flower Show
problem

Flower show

Age
14 to 16
Challenge level
filled star filled star filled star
How long will it take six gardeners to dig six circular flower beds?
tiling
problem

Tiling

Age
7 to 11
Challenge level
filled star empty star empty star
An investigation that gives you the opportunity to make and justify predictions.
Take a square
problem

Take a square

Age
14 to 16
Challenge level
filled star filled star filled star
Cut off three right angled isosceles triangles to produce a pentagon. With two lines, cut the pentagon into three parts which can be rearranged into another square.
Guillotine
problem

Guillotine

Age
11 to 14
Challenge level
filled star filled star empty star
Weekly Problem 9 - 2006
What fraction of the area of the rectangle is shaded?
Griddy Region
problem

Griddy region

Age
14 to 16
Challenge level
filled star filled star filled star
Weekly Problem 34 - 2008
What is the area of the region common to this triangle and square?
Rope Mat
problem

Rope mat

Age
7 to 11
Challenge level
filled star filled star empty star
How many centimetres of rope will I need to make another mat just like the one I have here?
Semicircle Stack
problem

Semicircle stack

Age
14 to 16
Challenge level
filled star empty star empty star
What is the total area enclosed by the three semicicles?