41 P5.PC.JM.17083121
Level 3
Annie had $2480. She spent 25% of her money on an air ticket to Vietnam and 14% of the remaining money on a luggage. How much had she left in the end?
3 m
Percent of a whole Money Remainder concept Branching
42 P5.RD.JM.17083213
Level 3
50% of Amin's money was $350 less than Dave's money. When Amin spent 45% of her money and Dave spent 60% of his money, they had the same amount of money left. Find the amount of money Dave had at first.
4 m
Percent of a whole Percent to units Percent of different bases Money More than or less then Equal stage after Common numerator All change Units table
43 P5.RD.JM.17083208
Level 3
Reena bought some fruits. She spent $10 more than 23 of her money on some pears. She then spent $8 more than 20% of the remaining money on some pineapples. Given that she had $16 left,
  1. how much did Reena have at first?
  2. how many kilograms of pineapples did she buy if they cost $2 per kg?
4 m
Fraction of a whole Percent of a whole Mass Money More than or less than Remainder concept Working backwards
44 P5.PC.JM.17083193
Level 3
Wilfred saves 10% of his allowance. When his allowance was increased by 20%, his savings rose proportionately to $180. What was his original allowance?
4 m
Percent of a whole Percent change by Money Units method
45 P5.PC.JC.17092204
Level 3
Wilfred saves 10% of his allowance. When his allowance was decreased by 20%, his savings decreased proportionately to $80. What was his original allowance?
4 m
Percent of a whole Percent change by Money Units method
46 P5.PC.NK.23021709
Level 3
Luke bought a refrigerator and a laptop. The original price of the refrigerator was $3200 and the original price of the laptop was half the original price of the refrigerator. Luke was given a 25% discount on the laptop. How much did Luke pay altogether?
4 m
Percent of a whole Discount Fraction of a whole Money Units method
47 P5.PC.NK.23021711
Level 3
A furniture shop had a 30% discount storewide. The original price of a massage chair was $2300.
  1. How much was the massage chair after discount?
  2. Danny paid $2590 for a massage chair and a sofa. What was the original price of the sofa?
4 m
Percent of a whole Discount F Multiplication Money Units method
48 P5.PC.NK.23021755
Level 3
Yen had some money. She spent 40% on books and 20% of her remaining money on a blouse. She had $168 left.
  1. How much did she have at first?
  2. If the blouse was bought at a 30% discount, what was the original price of the blouse?
4 m
Percent of a whole Discount F Multiplication Money Remainder concept Units method
49 P5.SP.JC.17083183
Level 3
A cylindrical dispenser of capacity 5.7 ℓ was filled with apple juice to its brim. The milk in the dispenser was then dispensed into a cubical container of sides 18 cm, through a tap flowing at a rate of 200 mℓ/min. After 15 min, the tap was turned off and the container was 23 full.
  1. What percentage of the milk in the cylindrical dispenser was left? Round off your answer to the nearest 2 decimal places.
  2. How many litres of milk were there in the container at first? (1 ℓ = 1000 cm3)
5 m
Rate 1 object Volume of cube Volume transfer Fraction of a whole D Place values D Round off Percent of a whole
50 P5.RD.JM.17083262
Level 3
Mr Lim had three bags of soil, A, B and C and the mass of each bag of soil was in the ratio 2 : 4 : 3. Mr Lim decided to transfer 30% of soil from Bag A into Bag B and 60% of soil from Bag C into Bag B. Given that the mass of Bag B was 38.4 kg in the end, how many kilograms of soil were transferred into Bag B?
5 m
Ratio to units Percent of a whole Percent to units Internal transfer Unchanged total Units table Decimal Units

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