Area Perimeter Rectangle Demonstration This resource provides animated

Area & Perimeter – Rectangle – Demonstration This resource provides animated demonstrations of the mathematical method. Check animations and delete slides not needed for your class.

Using fencing, Geoff builds a pig pen & a sheep pen on his farm. What are the shapes called? How many metres of fencing did it take to build each pen? 1 m 8 m of fencing 14 m of fencing

The perimeter of a shape is the distance around its edge. Can you think of a method to measure the perimeter of this rectangle? 1 cm

To measure the perimeter, we can imagine a tiny person walking around the edge. 4 cm 1 cm 2 cm 4 cm Total = 12 cm

To measure the perimeter, we can imagine a tiny person walking around the edge. 1 cm 4 cm 3 cm 4 cm Total = 14 cm

To measure the perimeter, we can imagine a tiny person walking around the edge. 1 cm 5 cm 2 cm 5 cm Total = 14 cm

To measure the perimeter, we can imagine a tiny person walking around the edge. 1 cm 6 cm 4 cm 6 cm Total = 20 cm

How can we find the perimeter of this rectangle? We know the opposite sides of a rectangle are equal 6 cm 2 cm 6 cm Total = 16 cm

How can we find the perimeter of this rectangle? We know the opposite sides of a rectangle are equal 6 cm 5 cm 6 cm Total = 22 cm

Find the perimeter of each rectangle. Drawings not to scale. 1 cm 4 cm A 12 cm 14 cm D 20 cm 6 cm E 7 cm B 22 cm C 9 cm 4 cm 18 cm F 7 cm 32 cm

Here are two rectangles on a grid. Which is larger? How do you know? 1 cm 2 6 cm 2 8 cm 2

How can we quickly find the area of a rectangle? 1 cm 2

To find the area of a rectangle quickly, we can multiply the length & the width. 1 cm 2 width 2 cm length 3 cm 3× 2= 6 cm 2

To find the area of a rectangle quickly, we can multiply the length & the width. 1 cm 2 2 cm 5 cm 2× 5= 10 cm 2

To find the area of a rectangle quickly, we can multiply the length & the width. 1 cm 2 3 cm 4 cm 3× 4= 12 cm 2

To find the area of a rectangle quickly, we can multiply the length & the width. 1 cm 2 4 cm 2 cm 4× 2= 8 cm 2

To find the area of a rectangle quickly, we can multiply the length & the width. 1 cm 2 3 cm 5 cm 3× 5= 15 cm 2

To find the area of a rectangle quickly, we can multiply the length & the width. 1 cm 2 3 cm 3× 3= 9 cm 2

To find the area of a rectangle quickly, we can multiply the length & the width. 1 cm 2 2 cm 8 cm 2× 8= 16 cm 2

To find the area of a rectangle quickly, we can multiply the length & the width. 1 cm 2 3 cm 6 cm 3× 6= 18 cm 2

Area of a Rectangle = Length × Width Each rectangle is made from 1 cm 2 squares. Find the area of each shape. 12 cm 2 6 cm 2 8 cm 2 4 cm 5 cm 3 cm 15 cm 2 4 cm 6 cm 4 cm 2 16 cm 2

Find the area & perimeter of this rectangle. 1 cm 2 2 cm 3 cm Area = 6 cm 2 Perimeter = 10 cm

Find the area & perimeter of this rectangle. 1 cm 2 2 cm 5 cm Area = 10 cm 2 Perimeter = 14 cm

Find the area & perimeter of this rectangle. 1 cm 2 3 cm 5 cm Area = 15 cm 2 Perimeter = 16 cm

Find the area & perimeter of this rectangle. 1 cm 2 2 cm 7 cm Area = 14 cm 2 Perimeter = 18 cm

Find the area & perimeter of this rectangle. 1 cm 2 5 cm Area = 20 cm 2 4 cm Perimeter = 18 cm

Find the area & perimeter of this rectangle. 4 cm 3 cm Area = 12 cm 2 Perimeter = 14 cm

Find the area & perimeter of this rectangle. 3 cm 7 cm Area = 21 cm 2 Perimeter = 20 cm

Find the area & perimeter of this rectangle. 9 cm 4 cm Area = 36 cm 2 Perimeter = 26 cm

How many rectangles can you draw, that all have a perimeter of 24 cm? 1 cm 11 cm 2 35 cm 2 32 cm 2 27 cm 2 20 cm 2 36 cm 2 Calculate the area of each rectangle.

Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths. co. uk