Paper I Part A Q1 · 2 marks
Number PatternsCommon difference of a decreasing number pattern
🔒 Answer & steps: try it free in Gedara Sir→9 ශ්රේණිය ගණිතය 3 වාර පරීක්ෂණය 2022 · පිළිතුරු සමඟ
North Central Province, Grade 9 Mathematics, term 3, 2022. All 25 questions, with what each one tests. Try any of them free in Gedara Sir to check your answer, with step-by-step working in English and Sinhala.
Common difference of a decreasing number pattern
🔒 Answer & steps: try it free in Gedara Sir→Subtract two base-two numbers
🔒 Answer & steps: try it free in Gedara Sir→Fraction of a mass in kilograms
🔒 Answer & steps: try it free in Gedara Sir→Profit percentage from cost and selling price
🔒 Answer & steps: try it free in Gedara Sir→Solve a linear equation containing a fraction
🔒 Answer & steps: try it free in Gedara Sir→Use an axiom to show two segments on a line are equal
🔒 Answer & steps: try it free in Gedara Sir→Unknown angle from a transversal across two parallel lines
🔒 Answer & steps: try it free in Gedara Sir→Water volume in litres in a cuboid from base area and height
🔒 Answer & steps: try it free in Gedara Sir→Time to drain a tank at a constant rate
🔒 Answer & steps: try it free in Gedara Sir→Evaluate an expression with a zero index and a square
🔒 Answer & steps: try it free in Gedara Sir→Add two numbers in scientific notation, give ordinary form
🔒 Answer & steps: try it free in Gedara Sir→Exterior angle of a triangle equals sum of remote interior angles
🔒 Answer & steps: try it free in Gedara Sir→Solve a linear inequality and show it on a number line
🔒 Answer & steps: try it free in Gedara Sir→Reverse bearing between two points
🔒 Answer & steps: try it free in Gedara Sir→Unknown angle of a quadrilateral from the angle sum
🔒 Answer & steps: try it free in Gedara Sir→Arc length of a semicircular flower bed
🔒 Answer & steps: try it free in Gedara Sir→Factorise a difference of two squares
🔒 Answer & steps: try it free in Gedara Sir→Area of a parallelogram from base and perpendicular height
🔒 Answer & steps: try it free in Gedara Sir→Decide whether a regular polygon can have a given exterior angle
🔒 Answer & steps: try it free in Gedara Sir→Daily sugar sales: frequency table, range, mode, median, mean, profit
🔒 Answer & steps: try it free in Gedara Sir→Table and graph of a linear function, second line, gradient and intercept
🔒 Answer & steps: try it free in Gedara Sir→Venn diagram from set data, complement, equal sets; simple probability
🔒 Answer & steps: try it free in Gedara Sir→Factorise a trinomial; simultaneous equations; equation with fractions
🔒 Answer & steps: try it free in Gedara Sir→Composite figure: Pythagoras, semicircle area, total area and painting cost
🔒 Answer & steps: try it free in Gedara Sir→Construct a triangle, angle and perpendicular bisectors, and a circle
🔒 Answer & steps: try it free in Gedara Sir→