Paper I Part A Q1 · 2 marks
Round off and Scientific NotationConvert between scientific notation and ordinary form
🔒 Answer & steps: try it free in Gedara Sir→Devi Balika Vidyalaya, Colombo (school paper, via e-thaksalawa) Grade 9 Maths Term 1 Test 2012 with Answers
9 ශ්රේණිය ගණිතය 1 වාර පරීක්ෂණය 2012 · පිළිතුරු සමඟ
Devi Balika Vidyalaya, Colombo (school paper, via e-thaksalawa), Grade 9 Mathematics, term 1, 2012. All 20 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.
Round off and Scientific NotationFractionsNumber PatternsFactors of Algebraic ExpressionsPercentagesAngles Related to Straight Lines and Parallel LinesAlgebraic ExpressionsLiquid Measurements
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q2 · 2 marks
Round off and Scientific NotationBounds of a number that rounds to 70
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q3 · 2 marks
Round off and Scientific NotationRound a number to the nearest hundred and thousand
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q4 · 2 marks
Round off and Scientific NotationScientific notation of a decimal and rounding to two places
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q5 · 2 marks
FractionsSimplify whole number minus a product of fractions
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q6 · 2 marks
Number PatternsFirst terms from a decreasing general term
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q7 · 2 marks
Number PatternsNext term and general term of a pattern
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q8 · 2 marks
Factors of Algebraic ExpressionsEvaluate a difference of squares by factorising
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q9 · 2 marks
FractionsTotal from a fraction and the remaining count
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q10 · 2 marks
PercentagesProfit percentage when only some items are sold
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q11 · 2 marks
Angles Related to Straight Lines and Parallel LinesAngles on a straight line in ratio 2:1
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q12 · 2 marks
Algebraic ExpressionsExpand a product of two binomials
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q13 · 2 marks
Number PatternsGeneral term of triangular numbers and the 11th one
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q14 · 2 marks
Liquid MeasurementsCapacity in litres of a cuboid vessel
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q15 · 2 marks
PercentagesSelling price after a percentage discount
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q16 · 2 marks
Number PatternsNext term and general term of a pattern with negatives
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q17 · 2 marks
Algebraic ExpressionsEvaluate an expression by substitution with a negative
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q18 · 2 marks
Factors of Algebraic ExpressionsFactorise by taking out the highest common factor
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q19 · 2 marks
PercentagesCommission as a percentage of a sale
🔒 Answer & steps: try it free in Gedara Sir→Paper I Part A Q20 · 2 marks
Round off and Scientific NotationRound a decimal to a whole number and one decimal place
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