181 P4.FR.JC.17100353
Level 2
A tank of water has a mass of 5 kg 205 g. The mass of the tank is half that of the water. Find the mass, in grams, of the tank.
3 m
Fraction to units Mass Unit conversion Units method
182 P3.DE.JM.17102956
Level 3
Mr. Choy bought 5 kg of flour for $12. He sold the flour for $28.
  1. How much did he sell each kilogram of flour for?
  2. How much money did he make from each kilogram of flour?
4 m
D Addition & subtraction D Division Mass Money
183 P2.ME.JM.17121924
Level 2
Look at the picture and find the answer.
4 m
Scale reading Mass W Addition & subtraction
184 P5.DA.JM.17083188
Level 3
Mrs Anis measured and recorded the mass of Amanda, Bee Ling, Charles and Dai Ling. The average mass of these 4 children was 49 kg. The next day, Mrs Anis realized that she had recorded Amanda's mass wrongly. Amanda's recorded mass was 8 kg more than her actual mass. What was the correct average mass of the 4 children?
3 m
Average Mass More than or less than Number x value
185 P3.WN.PR.17102440
Level 2
Mike's bag is 1 kg 60 g and Cathy's bag is 270 g. Find the total weight. Give the answer in kg and g.
2 m
W Addition & subtraction Mass Unit conversion Model Part-whole
186 P6.RD.TL.16010141
Level 3
Container A and Container B had 43 kg of sugar and 51 kg of sugar respectively. If 3 kg of sugar and 8.5 kg of sugar are added into Container A and Container B every day, how many days later will the sugar in Container A be half as much as the sugar in Container B?
4 m
Fraction of a whole Mass All change Units table Decimal units Units & parts Elimination
187 P5.DA.JM.17083157
Level 3
The average mass of a group of girls is 45 kg. If one more girl who weighs 75 kg joins the group, the new average mass of the group will become 48 kg. Find the total number of girls in the group.
3 m
2 Averages Averaging out Average with unknown quantity Mass Number x value Units equations Units table
188 P6.FR.TL.16010150
Level 3
Container W and Container X were filled completely with sugar. The total mass of 15 of the sugar in Container W and 111 of the sugar in Container X was 640 g. If 411 of the sugar in Container X was poured out, the total mass of the sugar in both containers became 3.54 kg. How much sugar was in
  1. Container W?
  2. Container X?
4 m
Fraction of a whole Mass Units & parts Elimination
189 P5.DE.JM.17083021
Level 3
Jamie had 90 kg of rice. She packed the rice equally into small packets. Each packet contained 3 kg of rice. She sold each packet for $6.20
  1. Jamie sold all the packets of rice. How much did she collect from the sale?
  2. However, Jamie would like to collect $258 from the sale. How much should she sell each 3 kg packet of rice for instead?
4 m
D Multiplication D Division Mass Money
190 P3.WN.PR.17102465
Level 2
What is 30 g less than 6 kg?
2 m
W Addition & subtraction Mass Unit conversion Model Comparison
191 P3.WN.JC.17121027
Level 2
Eric's bag is 1 kg 50 g and Liza's bag is 350 g. Find the difference in the weight.
2 m
W Addition & subtraction Mass Unit conversion Model Comparison
192 P3.WN.PR.17102442
Level 2
A packet of hotdogs has a mass of 2 kg 230 g. A packet of chicken thighs is 750 g heavier than the packet of hotdogs. What is the total mass of the packets of hotdogs and chicken thighs? Express the answer in kg and g.
2 m
W Addition & subtraction Mass Unit conversion Model Comparison
193 P3.WN.JC.17121011
Level 2
What is the mass of the container?
2 m
W Addition & subtraction Mass Unit conversion
194 P3.WN.JM.17110575
Level 1
Find the missing number in the box.
2 m
W Multiplication & division Mass Model Part-whole Units method
195 P3.WN.JM.17110643
Level 1
Sean bought 4 kg of rice. 1 kg of rice cost $28. How much did he pay?
2 m
W Multiplication & division Mass Money
196 P6.DE.TL.16010142
Level 3 PSLE
A crate filled with 35 mangosteens has a mass of 16.4 kg. The same crate when filled with 15 durians has a mass of 3.64 kg. The mass of 1 mangosteen is twice the mass of 1 durian. Find the mass of the crate when it is empty. Express the answer in g.
5 m
Mass Unit conversion Times as many Repeated identity Units & parts & boxes Elimination
197 P6.DE.TL.16010143
Level 3
A briefcase with 5 magazines in it has a mass of 2.58 kg. When 6 more magazines and 22 guide books are added, the mass becomes 4.28 kg. Each magazine has a mass 2 times as much as each guide book. Find the mass of the briefcase when it is empty. Express the answer in kg.
5 m
Mass Unit conversion More than or less than Times as many Repeated identity Units & parts & boxes Elimination
198 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
199 P5.DE.JM.17083061
Level 3
Mrs Tang bought the following fruits from a stall. She bought 4 apples, 5 kg of grapes and 4 kg of rambutans. She paid a total of $21.50 for them. Find the cost of 100 g of rambutans in cents.
4 m
D Multiplication D Division Mass Money Sets
200 P5.RA.JC.17122922
Level 3
The prices of two fruits sold at a supermarket is shown.

Grapes: 2 kg for $12
Bananas: 3 kg for $10

  1. Mr Lin bought an equal mass of grapes and bananas and spent $64 more on grapes than on bananas. What was the total mass of fruits that Mr Lin bought?
  2. Mrs Shay spent an equal amount of money on grapes and bananas. In terms of their masses, what was the ratio of grapes to the ratio of bananas Mrs Shay bought?
5 m
Finding ratio W 4 operations LCM Finding ratio Money More than or less than Equal stage Sets

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