Western Province 9 ශ්‍රේණිය ගණිතය 3 වාර පරීක්ෂණය 2022

Round a population to the nearest thousand

Shade the intersection of nested sets in a Venn diagram

Solve a linear equation with brackets

Commission percentage on a property sale

Simplify a power with negative index times a power

Exterior angle of a triangle

Actual length from a scale drawing

Subtract algebraic fractions with equal denominators

Scientific notation to ordinary form

Solve simultaneous equations for x

General term of an arithmetic number pattern

Change the subject of a formula

Factorise a quadratic trinomial

Hypotenuse of a right triangle by Pythagoras

Circumference from diameter

Add two binary numbers

Number of sides from a regular polygon's exterior angle

Area of a parallelogram from base and height

Bottles produced in an hour at a constant rate

Bearing of a third point from a given bearing and angle

Sets: infinite, equal, disjoint sets, subsets, symbols, Venn diagram, complement

Marked price with profit, cash discount, marked price from sale price; fraction expression

Angles with parallel lines and crossing transversals; pentagon interior angles

Identify line equations by property; complete table, draw graph, gradient and intercept

Construct a triangle, angle bisector, perpendicular bisector, and circle at their meet

Grouped fuel use table: total, class width, modal and median class; mean

Pens drawn at random: sample space and probabilities; trapezium height; circle area