1 A field is enclosed by a rectangular fence 50m by 20m. It is changed so the fence is now a square. By how much has the area increased?

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Presentation transcript:

1 A field is enclosed by a rectangular fence 50m by 20m. It is changed so the fence is now a square. By how much has the area increased?

2 All three shapes are squares. The yellow square has an area of 9cm2 and the red square has a perimeter of 24cm. What is the area of the blue square?

3 The shape is made up of 4 squares and has an area of 100cm2. What is the perimeter of the shape.

4 James has a rectangular garden. If he wants to walk 1km, he needs to walk the length of his garden 25 times. If he walks around the perimeter, he will need to walk round it 10 times. What is the area of the garden?

5 The big square has a perimeter of 16cm. The yellow square has a perimeter of 4cm. What is the area of the part shaded blue?

6 A rectangular room has an area of 24m2. Its length is 2m longer than the width. What is the perimeter of the room?

7 a A trapezium of area 30cm2 is made up of a rectangle and a right angled triangle. The rectangle has area 18cm2 and perimeter 18cm. What is the value of a?

8 A rectangle’s length is 3 times its width. If it were 3m shorter and 3 m wider it would be a square. What is the length and width of the rectangle?

9 a A trapezium is placed in a rectangle of length 7cm and width 5cm. The combined area of the two blue triangles is 10cm2. What is the length of a?

10 The area of the big square is 36cm2. The small square has a perimeter of 16cm. The area of the trapezium between the squares is 45cm2. What is the distance between the two squares?

11 An arrow is formed in a 2cm x 2cm square by joining the bottom corners to the midpoint of the top edge and the centre of the square. What is the area of the arrow?

12 Find the area of the shape

13 The length of a rectangle is four times its width. If the area is 100 m2 what is the length of the rectangle?

14 The length of a rectangle is increased to 2 times its original size and its width is increased to 3 times its original size. If the area of the new rectangle is equal to 1800 square metres, what is the area of the original rectangle?