761 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
762 P4.FR.JM.17101726
Level 3
A shop only sold black, grey and white shirts. 712 of the shirts in the shop were white and 56 shirts were grey. If 13 of the shirts were black, how many shirts were there in the shop?
4 m
F Addition & subtraction Fraction to units Units method
763 P4.AP.JM.17100274
Level 3
Mr lmran had a rectangular garden with a perimeter of 48 m. The length of the garden was twice its breadth. He decided to build a pebbled pathway with a width of 2 m around the garden. Find the area of the pebbled pathway .
4 m
Rectangle Model Times-as-many Units method
764 P2.WN.ED.18011897
Level 3
Z x Z = 36
What is the value of Z + Z ?
3 m
W 4 operations Square & square roots Units method
765 P4.DE.NK.22120621
Level 3
Caden bought 4 staplers and 3 notebooks for $42. One stapler cost 8 times as much as one notebook. Find the total cost of 2 staplers and 8 notebooks.
4 m
D Division Money Unit conversion Model Times-as-many Model Stacking Units method
766 P4.WN.JM.17102341
Level 3
Book X has 78 fewer pages than Book Y, and Book Z has 24 more pages than Book Y. If Book X and Book Y have a total of 162 pages,
  1. how many pages does Book Y have?
  2. how many pages does Book Z have?
4 m
W Addition & subtraction More than or less than Units method
767 P4.FR.JM.17101689
Level 3
Mr Leong had 60 tennis balls. He gave 112 of his tennis balls to Brandon. During the practice, Mr Leong lost 4 tennis balls. How many tennis balls did Mr Leong have in the end?
4 m
F Addition & subtraction Fraction to units Units method
768 P4.WN.JC.17100410
Level 3
A tank containing some water and 7 identical stones has a mass of 1 kg 235 g. When the 7 stones were taken out, the mass of the tank of water became 759 g. Find the mass of each stone. (Give the answer in grams.)
4 m
W Addition & subtraction Mass Unit conversion Model Part-whole Units method
769 P4.FR.JC.19103148
Level 3
Xavier gave 18 of his stamps to Joe, 14 of his stamps to Jason and 28 of his stamps to Kim. He then had 16 stamps left. How many stamps had he at first?
4 m
F Addition & subtraction Fraction to units Units method
770 P4.AP.NK.23050802
Level 3
The figure is made up of Rectangle X and Square Y. Their total area is 73 cm2. The area of Rectangle X is 23 cm2 greater than Square Y. Find the area of Square Y.
4 m
Square Rectangle Rectilinear figure More than or less than Units method
771 P4.WN.JC.17100387
Level 3
The total mass of 2 sacks of rice and 3 bags of sugar was 38 kg. Each bag of sugar was 4 kg lighter than each sack of rice.
  1. What was the mass of 1 sack of rice?
  2. What was the mass of 1 bag of sugar?
4 m
W Addition & subtraction Mass Model stacking Units method
772 P4.AP.NK.23050803
Level 3
The figure is made up of Square A and Rectangle B. The length of Square A is 4 cm. The area of Rectangle B is 6 times the area of Square A. What is the area of Rectangle B?
4 m
Square Rectangle Rectilinear figure Times as many Units method
773 P4.FR.NK.23011010
Level 3
A sum of money was shared among Amy, Brix and Danny. Amy received 18 of the money. Brix received 14 of the money. Danny received the remaining $250. How much was the sum of money?
4 m
F Addition & subtraction Fraction to units Money Units method
774 P4.FR.JM.17101720
Level 3
A snail is climbing to the top of a wall. It starts from the bottom of the wall and after climbing 25 of the height of the wall, it begins to rain. During the rain, the snail slips down 2 m. When the rain stops, the snail climbs up the remaining 710 of the height of the wall to reach the top of the wall. Find the height of the wall.
4 m
F Addition & subtraction Fraction to units Length Units method
775 P4.AP.JM.17100270
Level 3
The figure is made up of 4 identical rectangles, A, B, C and D. The perimeter of rectangle A is 72 cm.
  1. What is the breadth of rectangle B?
  2. Find the area of rectangle C.
4 m
Length Rectangle Rectilinear figure Units method
776 P4.FR.JM.17101734
Level 3
49 of a jug was filled with water. When 125 mℓ of water was poured in, the jug became half full. What was the capacity of the jug?
4 m
F Addition & subtraction Fraction to units Volume Units method
777 P4.FR.JM.17101651
Level 3
A jug is 23 full when it is filled with 6 ℓ of water. How much water must be poured away for the jug to be 12 full? Express your answer in fraction.
4 m
F Addition & subtraction Fraction to units Volume Units method
778 P4.FR.JC.17100406
Level 3
Alice consumed 150 mℓ of medicine from a bottle containing 60 doses of medicine. After she had accidentally spilled 15 of the remaining medicine, only 36 doses of medicine were left. Calculate the total volume of medicine in the bottle at first in mℓ.
4 m
F Addition & subtraction Fraction to units Volume Units method
779 P5.PC.JC.17083303
Level 3
Every week, Mrs. Tan will collect 40% more vitamin pills than Mrs Nurul from the pharmacy. They each consumed 14 vitamins weekly and will leave the rest for their family members to consume the rest. After some time, both ladies consumed a total of 364 vitamin pills and Mrs. Tan's family members consumed 468 more vitamin pills than Mrs. Nurul's family.
  1. How many members are there in Mrs. Tan's family, if they each consume 14 pills weekly?
  2. How many vitamin pills does Mrs Nurul collect from the pharmacy each week?
5 m
Percent to units More than or less than Unchanged difference Units method
780 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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