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

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