Southern Provincial Department of Education 9 ශ්‍රේණිය ගණිතය 3 වාර පරීක්ෂණය 2018

Next two terms of a pattern of thirds

Convert a decimal number to binary

Fraction of an amount of money

Profit percentage from cost and selling price

Expand a product of two binomials

Factorise a difference of two squares

Angles with a triangle, a line through a vertex and parallel lines

Number of small containers filled from part of a large one

Form and solve an equation for unit price, then price of eight

Simplify powers including a zero index

Write a small decimal in scientific notation

Construct the perpendicular bisector of a segment

Solve a one-step equation with division

Triangle angle from two exterior angles

Area formula for a right triangle with A as subject

Circumference from the diameter

Write the inequality shown on a number line

Set of letters of a word and probability of one letter

Bearing of A from B using the angle with the south direction

Use mode and median to find a missing value, then the mean

Range, mode, median and mean of a discrete frequency table

Substitute values, factorise by grouping, solve fractional and simultaneous equations

Complete a table, graph a line, equation of a parallel line

Equal perimeters of triangle and rectangle; diagonal by Pythagoras

Area of a ring between two concentric circles

Name the empty set and list a complement from a Venn diagram

Probabilities of colours drawn from a bag of cubes

Sketch and scale drawing of a two-leg voyage; locate C from A

Angle between bisectors of two exterior angles; identify parallel lines

Regular polygon whose exterior angle is a third of the interior