Western Province 10 ශ්‍රේණිය ගණිතය 3 වාර පරීක්ෂණය 2017

Customs duty at 8% on an imported item

Shade A ∩ B' when B lies inside A

Multiply two algebraic fractions and simplify

Exterior angle equals sum of interior opposite angles

Distance from speed and time

Solve a simple equation with a fraction

Write a logarithm statement in index form

Median of nine values

LCM of three algebraic terms

Time to fill half a tank at a steady rate

Radius of a cylinder rolled from a rectangle

Angle of a parallelogram using two pairs of parallel lines

Cross-section area of a prism from volume and length

Angles in the same segment with an isosceles radius triangle

Decide congruence of two triangles and name the case

Probability of B from independent events

Sum of base angles with three equal segments

First approximation of a square root

Angle in a semicircle and the remaining angle

Factorise using a common binomial factor

Angles in a rhombus from one diagonal angle

Fill blanks in the square of a binomial

Arc length of a 45-degree sector

Gradient and intercept of a line from its graph

Locus sketch: perpendicular bisector and angle bisector

Money shared by fractions; find total and a ratio

Pie chart: angle per student, missing sector, frequencies, new angle

Flower bed with semicircle: arc, areas, equal-area rectangle perimeter

Food supply for refugees as people arrive and leave

Quarterly rates on an assessed value

Grid sample space for choosing students; tree for two attempts

Graph of y = 5 - x²: range, roots, shifted graph

Simple interest rate from total; import cost with duty and exchange rate

Grouped data: modal class, class width, mean, pass mark

Map scale; elevation angles scale drawing for tree height

Solve an inequality on a number line; simultaneous equations

Subtract algebraic fractions; rectangle area quadratic

Arithmetic progression: first term, 15th term, sum of ten

Construct an isosceles triangle, bisectors and a circle; measure radius

Circle with chords meeting outside: congruence and angle sum proof

Parallelogram conditions; congruent triangles; inner parallelogram proof

Open cylinder surface area and half volume; product by log tables

Read sets from a Venn diagram; conference Venn problem and probability