Richmond College, Galle (school paper, via govdoc.lk) 9 ශ්‍රේණිය ගණිතය 1 වාර පරීක්ෂණය 2020

Next two terms of a decreasing number pattern

Selling price after a percentage discount

Add two unit fractions

Equal angles on a straight line with a given angle

Term of a pattern from its general term

Convert a binary number to decimal

Half of a mixed-number mass

Substitute values into a product

Expand and simplify a product of binomials

Factorise a difference of two squares

Show a length relation using equal sides and axioms

Solve a two-step linear equation

Add two binary numbers

Profit and profit percentage

Evaluate using difference of squares

Angle using parallel lines and a triangle

'Of' a quotient of mixed numbers

Whole amount from a fraction of it

Prove two angles equal by subtracting a common angle

General term of a decreasing pattern

Savings deposits as a number pattern; general term and December amount

Area expression of a flower bed; factorise trinomial and difference of squares

Angles with parallel lines, angle at a bend, equal angles on a line

Fractions of a salary spent and saved; salary from saving

Marked price, discount price, profit percentage; house price from commission

Binary to decimal, decimal to binary, binary addition and subtraction

Tank capacity in litres, days of supply, filling time; bottles from volume