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© T Madas
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Quadrilaterals Square Parallelogram Rectangle Trapezium
Right-angled trapezium Rhombus Kite Isosceles trapezium © T Madas
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All of the above! Quadrilaterals Parallelogram Rhombus Rectangle
Opposite sides: Parallel Opposite sides: Equal Opposite angles: Equal Rhombus Diagonals: perpendicular All 4 sides: Equal Rectangle Diagonals: equal All 4 angles: right Square All of the above! © T Madas
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Other Quadrilaterals Kite Trapezium Isosceles trapezium
Right angled trapezium Kite One pair of parallel sides One pair of parallel sides No parallel sides One pair of parallel sides Perpendicular diagonals Non-parallel sides, equal 2 right angles Exactly 1 pair of opposite angles equal Equal Diagonals © T Madas
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A flat shape with four sides is called a Q……………..
The 4 angles of a quadrilateral add up to ° A trapezium is a q……………… with only one pair of p………… sides If the sides of a trapezium which are not parallel are equal then the trapezium is called I…………… T…………….. A trapezium with two right angles is called a R...….. - …..….. Trapezium A parallelogram is a q…………….. that has: Opposite sides p…………. Opposite sides e…………. Opposite angles e………… A rectangle is a special p…………. that has: Opposite sides p………………. Opposite sides e……………. It also has 4 R………. A…………. A rhombus is also a special p……………….. that has all 4 s…….. equal The square is a p…………………. too. It has: Opposite sides p……………… All 4 s………. equal It has 4 R……… A…………… A kite is also a special q………………….that we get when we “squash” a r………………. from one end © T Madas
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Drawing Parallelograms © T Madas
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How to draw a parallelogram
Start with the base For example: draw a horizontal line 10 squares long © T Madas
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How to draw a parallelogram
Then draw a slopping line starting from one end of the bottom line. Start with the base For example: draw a horizontal line 10 squares long © T Madas
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How to draw a parallelogram
Then draw a horizontal line 10 squares long Then draw a slopping line starting from one end of the bottom line. Start with the base For example: draw a horizontal line 10 squares long © T Madas
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How to draw a parallelogram
Then draw a horizontal line 10 squares long Then draw a slopping line starting from one end of the bottom line. Join the 3 sides Start with the base For example: draw a horizontal line 10 squares long © T Madas
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Drawing Rhombuses © T Madas
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How to draw a rhombus Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? © T Madas
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How to draw a rhombus Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? © T Madas
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How to draw a rhombus Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? © T Madas
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How to draw a rhombus Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? © T Madas
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How to draw a rhombus Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? © T Madas
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How to draw a rhombus Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? © T Madas
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How to draw a rhombus Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? © T Madas
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How to draw a rhombus Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? © T Madas
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How to draw a rhombus Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? © T Madas
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How to draw a rhombus Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? © T Madas
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How to draw a rhombus Stretch the horizontal diagonal
Start with a horizontal line Mark its midpoint Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? Stretch the horizontal diagonal © T Madas
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How to draw a rhombus Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? What shape do we get when the diagonals become equal? © T Madas
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How to draw a rhombus Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? © T Madas
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How to draw a rhombus Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? © T Madas
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How to draw a rhombus Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? © T Madas
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How to draw a rhombus Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. Make sure the midpoint is the midpoint of both lines Can you see the rhombus? What do we call the lines they help us draw the rhombus? What happens if we change their length? © T Madas
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Drawing Kites © T Madas
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How to draw a kite Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. What did we do different compared with when we drew a rhombus? Can you see the kite? How can we change the kite into a rhombus? © T Madas
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How to draw a kite Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. What did we do different compared with when we drew a rhombus? Can you see the kite? How can we change the kite into a rhombus? © T Madas
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How to draw a kite Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. What did we do different compared with when we drew a rhombus? Can you see the kite? How can we change the kite into a rhombus? © T Madas
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How to draw a kite Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. What did we do different compared with when we drew a rhombus? Can you see the kite? How can we change the kite into a rhombus? © T Madas
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How to draw a kite Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. What did we do different compared with when we drew a rhombus? Can you see the kite? How can we change the kite into a rhombus? © T Madas
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How to draw a kite Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. What did we do different compared with when we drew a rhombus? Can you see the kite? How can we change the kite into a rhombus? © T Madas
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How to draw a kite Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. What did we do different compared with when we drew a rhombus? Can you see the kite? How can we change the kite into a rhombus? © T Madas
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How to draw a kite Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. What did we do different compared with when we drew a rhombus? Can you see the kite? How can we change the kite into a rhombus? © T Madas
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How to draw a kite Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. What did we do different compared with when we drew a rhombus? Can you see the kite? How can we change the kite into a rhombus? © T Madas
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How to draw a kite Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. What did we do different compared with when we drew a rhombus? Can you see the kite? How can we change the kite into a rhombus? © T Madas
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How to draw a kite Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. What did we do different compared with when we drew a rhombus? Can you see the kite? How can we change the kite into a rhombus? © T Madas
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How to draw a kite Start with a horizontal line Mark its midpoint
Draw a vertical line through the midpoint. What did we do different compared with when we drew a rhombus? Can you see the kite? How can we change the kite into a rhombus? © T Madas
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How to draw a kite Start with a horizontal line Mark its midpoint Draw a vertical line through the midpoint. What did we do different compared with when we drew a rhombus? Can you see the kite? How can we change the kite into a rhombus? If we “squash” a rhombus from one end only we get a kite © T Madas
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© T Madas
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© T Madas
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© T Madas
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© T Madas
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quadrilateral parallelogram rectangle rhombus square quadrilateral
Two shapes are drawn on a square grid. Put a tick next to all the words that could be used to describe each shape. Put a ring around the word that best describes the shape. quadrilateral parallelogram rectangle rhombus square quadrilateral parallelogram rectangle rhombus square © T Madas
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© T Madas
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quadrilateral parallelogram rectangle rhombus square quadrilateral
Two shapes are drawn on a square grid. Put a tick next to all the words that could be used to describe each shape. Put a ring around the word that best describes the shape. quadrilateral parallelogram rectangle rhombus square quadrilateral parallelogram rectangle rhombus square © T Madas
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© T Madas
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Look at the statements written on the 4 cards below.
Tick the correct statements. If it is possible to draw the described quadrilateral, draw an example of it. It is possible to draw a quadrilateral with 1 right angle. It is possible to draw a quadrilateral with 2 right angles. It is possible to draw a quadrilateral with 3 right angles. It is possible to draw a quadrilateral with 4 right angles. © T Madas
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© T Madas
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B A C Points A, B and C are marked on the grid shown below.
Mark on the grid the point D so that ABCD is a trapezium. A trapezium is a quadrilateral with ONLY ONE pair of parallel sides 6 5 4 3 2 1 A B C © T Madas
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B A C Points A, B and C are marked on the grid shown below.
Mark on the grid the point D so that ABCD is a trapezium. A trapezium is a quadrilateral with ONLY ONE pair of parallel sides 6 5 4 3 2 1 A B C © T Madas
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© T Madas
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