Online NAPLAN Mathematics support for Years 3, 5, 7 and 9 across Australia
Year 9 · Number and Algebra · 20 questions · 30 min
Calculate 15% of $80
A shirt costs $40. It is on sale for 25% off. What is the new price?
A house increases in value from $200,000 to $220,000. What is the percentage increase?
Calculate simple interest on $500 at 4% per annum for 2 years
A product costs $50 to make and is sold for $75. What is the profit margin?
An item is marked up by 40%. If it cost $100, what is the selling price?
A price of $200 includes 10% GST. What is the price before GST?
Calculate 8% of $250
A pair of shoes originally cost $120. They are now $90. What is the percentage decrease?
Calculate simple interest on $1200 at 5% per annum for 3 years
What is 30% of $60?
A store buys goods for $80 and sells them for $100. What is the profit percentage?
A price of $55 (including 10% GST) is advertised. What is the price before GST?
Increase $400 by 20%
A car depreciates by 15% in value. If it was worth $20,000, what is it worth now?
What percentage is $24 of $80?
A phone costs $800 including 10% GST. What is the cost before GST?
Decrease $300 by 12%
A trader buys items at $15 each and marks them up by 60%. What is the selling price?
Calculate simple interest on $2000 at 3% per annum for 4 years
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