41 P3.WN.JC.17121090
Level 3
Mr Lee had 200 kg of sugar. He sold 16 kg of them and packed the remaining sugar into bags of 3 kg each.
  1. How many of such bags did he get?
  2. How much sugar was left over?
4 m
W 4 operations W Remainder Mass Model Part-whole
42 P3.WN.JC.17121047
Level 3
The total mass of Tim and Kyle is 160 kg. The total mass of John and Kyle is 146 kg.
  1. How much heavier is Tim than John?
  2. If the total mass of the 3 boys is 234 kg, how heavy is Kyle?
4 m
W 4 operations Mass Repeated identity Model Comparison
43 P3.WN.JC.17121087
Level 3
The total mass of a robot, a Lego set and a toy car is 3 kg 33 g. The Lego set is twice as heavy as the robot. The toy car is thrice as heavy as the Lego set. Find the total mass of the robot and the toy car. Give the answer in kg and g.
4 m
W 4 operations Mass Unit conversion Repeated identity Model Times-as-many Units method
44 P3.WN.JM.17110730
Level 3
Penny had $20. She spent all her money on some cookies. The cookies were sold at $4 for 280 g. What was the mass of cookies that Penny bought?
4 m
W 4 operations Mass Money Sets
45 P3.WN.JM.17110843
Level 3
Merlin has some money to buy some markers. He will have $3 if he buys 4 markers. However, he will need $2 more if he wants to buy 5 markers. How much money does each marker cost?
4 m
W Addition & subtraction Mass Money Gap & difference Units method
46 P3.WN.JM.17110846
Level 3
Mr Kim wanted to buy some rice. He will have $12 left if he buys 3 kg of rice. However, he will need $4 more to buy 4 kg of rice. What is the cost of 1 kg of rice?
4 m
W Addition & subtraction Mass Money Gap & difference Units method
47 P3.WN.JC.17121055
Level 2
Study the diagram. What is the mass of 1 star?
4 m
W 4 operations Mass Unit conversion Units method
48 P3.WN.JM.17102416
Level 2
Study the diagram. What is the mass of the pentagon?
4 m
W 4 operations Mass Unit conversion
49 P3.WN.JC.17121046
Level 3
Five similar vases weigh 250 g more than 2 similar figurines. If each vase weighs 150 g, how heavy is each figurine?
4 m
W 4 operations Mass Model Comparison
50 P3.WN.JC.17121079
Level 3
The mass of a stone is 42 g. The total mass of this stone and 5 identical marbles is equal to the total mass of 8 such marbles.
  1. Find the mass of each marble.
  2. Find the total mass of 1 stone and 5 marbles.
4 m
W 4 operations Mass Equal stage Model Part-whole Units equations Units & parts Substitution
51 P3.WN.JM.17110794
Level 3
There were 3 similar big boxes of the same mass. There were another 4 similar small boxes of the same mass. The total mass of the big and small boxes was 90 kg. The mass of a big box was twice the mass of a small box. Find the total mass of a big box and a small box.
4 m
W 4 operations Mass Model Times-as-many Units & parts Substitution
52 P3.WN.JM.17110722
Level 2
The mass of a box and one bag of potatoes is 1280 g. The mass of the same box and 2 similar bags of potatoes is 2040 g. What is the mass of a bag of potatoes?
4 m
W Addition & subtraction Mass Repeated identity Units & parts Elimination
53 P3.WN.JM.17110847
Level 3
A bag and 3 watermelons weigh 18 kg. The same bag and 1 such watermelon weighs 12 kg. What is the mass of each watermelon?
4 m
W Addition & subtraction Mass Repeated identity Units & parts Elimination
54 P3.WN.JM.17110724
Level 2
The mass of a guava and 3 apples is 2 kg 50 g. The mass of the same guava and 2 similar apples is 1 kg 800 g. What is the mass of 3 apples? Give the answer in g.
4 m
W 4 operations Mass Unit conversion Repeated identity Units & parts Substitution
55 P3.WN.JC.17121093
Level 2
The mass of a tub and a packet of flour is 3100 g. The mass of the same tub and 4 similar packets of flour is 9 kg 340 g.
  1. What is the mass of a packet of flour?
  2. What is the mass of the tub?
Give your answers in kg and g.
4 m
W 4 operations Mass Unit conversion Repeated identity Units & parts Elimination
56 P3.WN.JC.17121091
Level 3
The mass of a basket with 2 papayas is 3 kg 20 g. The mass of the basket with 5 papayas is 5 kg 60 g. What is the mass of the empty basket? Express the answer in kg and g.
4 m
W 4 operations Mass Unit conversion Repeated identity Model Part-whole
57 P3.WN.JC.17121059
Level 3
The mass of a container and 2 metal balls is 2 kg 100 g. The mass of the same container and 5 similar metal balls is 3 kg 750 g.
  1. What is the mass of each metal ball in g?
  2. What is the mass of the container in kg?
4 m
W 4 operations Mass Unit conversion Repeated identity Units & parts Elimination

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