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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