©opyright 2005 Research Education Ltd and Primary ICT Solutions Shapes Presentation Click the shapes below to see the information. If you click on the

©opyright 2005 Research Education Ltd and Primary ICT Solutions

Shapes Presentation

Click the shapes below to see the information. If you click on the

button, you will hear the name of the shape.

Click here to have a go at the quiz.


Rectangle

• A rectangle is a quadrilateral with two pairs of parallel sides and four right angles Number of

pairs of parallel sides

Number of right angles

Axes of reflectional symmetry

Orders of rotational symmetry

2 4 2 2


Hexagon

• A hexagon is a six sided shape. The figures given in the table are for regular hexagons. Bees like hexagons.

Number of pairs of

parallel sides




3 0 6 6


Heptagon

• A heptagon is a seven sided shape. 50p coins are heptagons.

Number of pairs of

parallel sides




0 0 7 7


Square

• A square is a regular rectangle. All the sides are the same length and all the angles are right angles.

Number of pairs of

parallel sides




2 4 4 4


Octagon

• An octagon has eight sides. The can be used with squares to form a pattern that tessellates.

Number of pairs of

parallel sides




4 0 8 8


Pentagon

• A pentagon has five sides. The US Dept of Defense is based at the Pentagon. It is a five sided building.

Number of pairs of

parallel sides




0 0 5 5


How many sides has a pentagon?

Four

Five

Six


What shape has seven sides?

Hexagon

Octagon

Heptagon


What shape could either be an oblong or square?

Square

Rectangle

Cube


Which is the odd one out?

Trapezium

Rhombus

Pentagon


How many sides has an octagon?

Six

Eight

Ten


Well done

• You have got to the end of the quiz.

• Would you like to look back at the information sheets telling you about

shapes?


Correct

• There are five sides in a pentagon. A regular pentagon has internal angles of 72º. All shapes with five sides are pentagons.


Correct

• A heptagon has 7 sides. The internal angles in a regular heptagon measure 128.5714º. Although heptagons do not appear as often as hexagons, we do use them every day when buying things. A 50p is a heptagon.


Correct

• A rectangle can be a square if all the sides are the same length, or an oblong if they are not.

• The internal angles in a rectangle are all 90º or right angles.


Correct

• The pentagon is the odd one out as it has five sides.

• A trapezium is a four sided shape in which two of the sides are parallel and two are not.

• A rhombus is a four sided shape with two pairs of parallel sides and no right angles.


Correct

• Just as an octopus has eight legs, an octagon has eight sides.

• October used to be the eighth month of the year until the calendar changed in 1752.


Incorrect

• A quadrilateral has four sides – there are lots of four sided shapes including square, oblong, trapezium and rhombus.

• A hexagon has six sides.


Incorrect

• A hexagon has six sides.

• An octagon has eight sides. There are eight notes in music. This is called an octachord. The most important of these is middle C.


Incorrect

• A square is a form of rectangle. It is the only type of rectangle with four mirror lines.

• An oblong is a form of rectangle. An oblong only has two mirror lines.


Incorrect

• Both a trapezium and a rhombus have four sides.

• An isosceles trapezium looks like a isosceles triangle with the top chopped off.


Incorrect

• A six sided shape is called a hexagon.

• A ten sided shape is called a decagon. Dec often forms the start of words to do with ten. For example, decimal.

Documents

©opyright 2005 Research Education Ltd and Primary ICT Solutions Shapes Presentation Click the shapes below to see the information. If you click on the