Southern Province 9 ශ්‍රේණිය ගණිතය 3 වාර පරීක්ෂණය 2020

First four terms from first term and common difference

Convert a binary number to base ten

Reciprocal of a mixed number

Profit from buying and selling coconuts

Substitute fractions into 8xy - 2y

Factorise four terms by grouping

Cost of 12 mangoes from the cost of 5

Relationship between angles using a common angle

Angles on a straight line with a right angle

Water volume in a cuboid container in millilitres

Divide by a negative power

Write a small decimal in scientific notation

Solve a one-step equation with a fraction

Fourth angle of a quadrilateral

Bearing from a co-interior angle at B

Formula for perimeter of a semicircle

Hypotenuse of a right triangle

Gradient and intercept from an equation

Solve an inequality and show it on a number line

Intersection of disjoint sets

Fraction operations; part of an hour; shares of a salary

Profit percentage; discount used to buy discounted gloves

Construct right triangle, angle bisector, circle; measure radius

Find a from gradient; intercept; graph and axis crossings

Build a Venn diagram from set facts; list A; probability

Regular hexagon angles; triangle formed by produced sides

Range, frequency table, mode and mean of 40 marks