Western Province 9 ශ්‍රේණිය ගණිතය 3 වාර පරීක්ෂණය 2021

Write a whole number in scientific notation

Factorise a four-term expression by grouping

Angle between rays using vertically opposite angles at intersecting lines

First term and common difference of a decimal number pattern

Angle at a bend between parallel lines

Subtract two binary numbers

Volume of water in a cuboid tank in cm3 and litres

Side of right triangle on a square using Pythagoras

Change the subject of a simple linear formula

Circumference of a circular flower bed

Add algebraic fractions with the same denominator

Fill in set symbols from a Venn diagram

Production in 8 hours from rate over 3 hours

Angle in a quadrilateral with two right angles and exterior angle

Bearing of Q from P and back bearing

Show solutions of an inequality on a number line

Value of a power with zero index plus one

Probability of drawing a white ball from a bag

Show a relationship by equating two formulae

Range and median of a list of marks

Complete table, draw y = 2x - 1, gradient, intercept, parallel lines

Fraction operations and remaining fraction of rice stock

Construct triangle from side and two angles, bisector, circle, parallel

Selling price for profit, loss percentage, discount and commission

Areas of parallelogram, triangle and circle in a land plot

Angles from exterior angle property, isosceles triangle identified

Complete frequency table, mode, bill amount and mean units