326 P5.PC.JM.17083139
Level 3
Dina spent 60% of her money on a number of pens. She spent 25% of the remaining money on a few highlighters and 50% of what was left on a number of sketchbooks.
  1. What fraction of her money was left?
  2. Given that the pens cost $36 more than the sketchbooks, find the sum of money Dina had at first.
5 m
Percent of a whole Percent to units Fraction of a whole Money More than or less than Remainder concept Branching
327 P6.SP.JC.21061119
Level 3 PSLE
The figure shows taps A and B and an empty tank. At 2 p.m., tap A was turned on. Water flowed into the tank from tap A at a rate of 3.8 litres per minute. After 5 minutes, tap B was turned on. At 2.15 p.m., the tank was half filled with water.
  1. How many litres of water flowed out of tap B in 1 minute?
  2. At 2.30 p.m., what fraction of the tank was filled with water?
5 m
Rate more than 1 object Duration am pm Volume of cuboid Filling tank Units method Fraction of a whole
328 P6.SP.JC.17053052
Level 3
Water flows into a tank through Tap A and flows out of the container through Tap B. The capacity of a tank is 40 litres. When only Tap A is turned on, the container is completely filled in 16 minutes. When only Tap B is turned on, it takes 13 hour for all the water to flow out. If both taps are turned on at the same time,
  1. How long does it take to fill 40% of the tank?
  2. How much water has flowed out through Tap B by the time the tank is 35 filled with water?
5 m
Rate more than 1 object Common time Volume Volume of cuboid Filling tank Fraction of a whole Percent of a whole Units method
329 P6.SP.TL.18012298
Level 3
Recca took 5 hours to travel from Country A to Country B at 60 km/h. Then he travelled from Country B to another country at 1.5 times his original speed. 40% of the distance from Country A to Country B is equal to 13 of the distance from Country B to the next country. Find the average speed for the whole journey and express it in mixed number.
5 m
DST triangle Average speed Journey by parts Different speed Duration Fraction of a whole Percent to units Times as many Common numerator
330 P4.FR.JM.17103189
Level 3
Alice poured 18 bottles of water into an empty tank, filling it to 67 of its capacity. Each bottle had a capacity of 2 ℓ. What was the capacity of the tank?
4 m
Fraction of a whole W Multiplication & division Volume Units method

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