North Central Province 9 ශ්‍රේණිය ගණිතය 3 වාර පරීක්ෂණය 2023

Discount for an outright purchase

Factorise a difference of two squares

Subtract algebraic fractions with related denominators

Exterior angle of a triangle from given angles

Solve a linear inequality with a negative coefficient

Arc length of a semicircular pond

Divide powers of 2 and write with positive index

Shade complement of A intersect B on a Venn diagram

Solve a linear equation with unknowns on both sides

Add two binary numbers

Expand the product of two binomials

Unknown parallel side from trapezium area

Sum of sevenths then a fraction of it

Triangle angles x, 2x and 50°

Time to fill a tank at a given flow rate

Number of sides from interior angle sum

Gradient of a line given in general form

Quadrilateral with exterior angles x and 2x

Number of data values from median position

Locate a point on BC equidistant from A and B

Bearing facts; frequency table statistics; right-triangle construction and circle

Table and graph of y = 3x + 2, horizontal line, parallel line

Factorise by grouping and common factor; simultaneous equations; algebraic fractions

Angles with parallel lines in a trapezium; triangle perimeter by Pythagoras

Venn diagram of composites and squares; pen probability

Badge with semicircle: arc, area, rectangle height, tape cost

Ship on two bearings: sketch, scale drawing, distance