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Level 3 PSLE
Heidi and Ian have the same total number of coins. Heidi has a number of fifty-cent coins and 62 twenty-cent coins. The total mass of her coins is 1.234 kg. Ian has a number of fifty-cent coins and 102 twenty-cent coins.
  1. Who has more money in coins? How much more in cents? Give your answers in this format. (Eg Adam, $12)
  2. Each fifty-cent coin is 2.6 g heavier than each twenty-cent coin. What is the total mass of Ian's coin in kg?
4 m
Level 3 PSLE
Betty and Zhulian each had a plate of dough of the same mass for making biscuits. The same mass of dough was used for each biscuit. Betty made 40 biscuits and had 50 g of dough left. Zhulian made 10 biscuits and had 1.1 kg of dough left.
  1. What was the mass of dough needed for each biscuit?
  2. With the remaining dough from both girls, how many more such biscuits can be made at most?
4 m
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
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
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