Southern Province 9 ශ්‍රේණිය ගණිතය 3 වාර පරීක්ෂණය 2021

First two terms from a linear general term

Add two binary numbers

Write a decimal number in scientific notation

Profit percentage from cost and selling price

Exterior angle of a triangle equals sum of interior opposite angles

Solve a linear equation with a fraction

Round to one decimal place

Use the element-of symbol for a set member

Arc length of a semicircle from its diameter

Exterior angles of a quadrilateral sum to 360

Solve a linear inequality and list integer solutions

Missing side of a right triangle by Pythagoras

Angles in a trapezium with a diagonal and a right angle

Factorise a difference of two squares

Perimeter of a rectangle with algebraic sides

Identify a pair of adjacent angles

Gradient and intercept from a linear equation

True or false statements about polygons and triangles

Simplify a power of a quotient, positive indices

Locus equidistant from two perpendicular lines

Daily patient count pattern: difference, terms, general term, nth term; factorise trinomial

Fraction simplification; marked price, discount, profit and profit percentage

Square plot with circular nursery: areas, grass cost, fence length

Linear graph table, gradient and intercept, plot, y-intercept, parallel line

Milk packet sales table: range, mode, mean, expected profit over months

Angles with parallel lines; regular decagon exterior angle; exterior angle sum

List a set of letters; Venn diagram of two sets; intersection, union, complement