Western Province 9 ශ්‍රේණිය ගණිතය 3 වාර පරීක්ෂණය 2023

Discount amount at a percentage off a bill

Two angles where a transversal crosses parallel lines

Evaluate a linear expression with fractional values

General term of an arithmetic number pattern

Probability of an odd number from cards 1 to 10

Write a number in scientific notation in ordinary form

Interior angle sum and one interior angle of a regular pentagon

Shade the union where one set lies inside the other

Solve an inequality and show integer solutions on a number line

Add and subtract binary numbers

Make n the subject of the series-sum formula

Exterior angle equals sum of two opposite interior angles; find x

Expand and simplify a product of two binomials

Height of a triangle from its area and base

Subtract two algebraic fractions with numeric denominators

Missing side of a right triangle using Pythagoras

Equation of a line through the origin parallel to a given line

Litres to fill a cuboid tank from its dimensions

Dollars bought for a rupee amount, to the nearest whole number

Back bearing from a given bearing

Range, grouped frequency table, modal and median class, class width

List sets of multiples, draw a Venn diagram, find union and intersection

Construct an equilateral triangle, bisectors, area, and inscribed circle

Complete a table and graph a line; state gradient and intercept

Intercepts of a line in general form and drawing it

Solve a fractional linear equation and a pair of simultaneous equations

Factorise a perfect square and a difference of two squares

Prove the exterior angle theorem using a parallel line

Angles in crossing lines between two parallel lines

Perimeter and area of a ground of rectangle plus semicircle; turfing cost

Successive fractions of money given away and spent; find the total

Simplify a mixed-number division followed by an addition