2D shapes and their properties

There are 151 NRICH Mathematical resources connected to 2D shapes and their properties
Seeing Rhombuses
problem

Seeing Rhombuses

Age
7 to 11
Challenge level
filled star filled star empty star
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a rhombus.
Seeing Parallelograms
problem

Seeing Parallelograms

Age
7 to 11
Challenge level
filled star empty star empty star
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a parallelogram.
Rhombus It
problem

Rhombus It

Age
11 to 16
Challenge level
filled star filled star empty star
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a rhombus.
Parallelogram It
problem

Parallelogram It

Age
11 to 16
Challenge level
filled star empty star empty star
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a parallelogram.
Triangle in a Square
problem

Triangle in a Square

Age
7 to 11
Challenge level
filled star empty star empty star
Do you agree with Badger's statements? Is Badger's reasoning watertight? Why or why not?
Data Duos
problem

Data Duos

Age
7 to 11
Challenge level
filled star empty star empty star
Can you match the Venn diagram with the Carroll diagram that shows the same information?
Possible Pairs
problem

Possible Pairs

Age
7 to 11
Challenge level
filled star empty star empty star
In this game, you turn over two cards and try to draw a triangle which has both properties.