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MATHEMATICS - FORM 1

PERIMETER AND AREA

PERIMETER

A) Identifying the Perimeter of a Region

B) Finding the Perimeter of a RegionEnclosed by Straight Lines

C) Problem Solving involving Perimeters

AREAS OF RECTANGLES

A) Astimating the Area of a Shape

Solution

B) Finding the Area of a Rectangle

C) Calculating the Area of a Rectangle

Solution

D) Calculating the Area of a right-angled Triangle as Half of the Area of Rectangle

D) Finding the Area of shape involving aRectangles and Right-angled Triangles

Solution

Worked Example 9

AREAS OF TRIANGLES, PARALLELOGRAMS AND TRAPEZIUMS

A) Identifying the Heights of Triangles, Parallelograms And Trapezium

(b) Parallelograms

(c) Trapezium

B) Forming the Formulae to find the Areas of Triangles, Parallelograms and Trapeziums

(a) (b)

Solution

Solution

Solution

(a)

(b)

C) Calculating the Areas of Triangles, Parallelograms and Trapeziums

D) Finding the Height or Base of a Triangle,Parallelogram or Trapezium

E) Finding the Areas of a Figure made up of Different Shapes

F) Finding the Areas of Shaded Parts

G) Problem Solving involving the Areas of Triangles, Parallelograms and Trapreziums