Level 2
If one watermelon weighs 1.3 kg and another watermelon weighs 1.9 kg, what is the average mass of the two watermelons?
2 m
Level 2
Gary weighs x kg while Jim weighs 20 kg.
  1. Find the average mass of each boy in terms of x .
  2. If x = 30, find the average mass of each boy.
2 m
Level 1 PSLE
Nina used 14 kg of flour to make muffins and 12 kg of flour to make biscuits. After that, she had 200 g of flour left. How many kilograms of flour did she have at first?
2 m
Level 2
David is 10 kg heavier than John and 8 kg heavier than Luis. The average mass of the 3 men is 77 kg. Find the average mass of John and Luis.
2 m
Level 2
Tom has a mass of 8r kg. John is 4 kg heavier than Tom. The mass of May is twice the total mass of the Tom and John.
  1. Find the total mass of the 3 children in terms of r.
  2. If r = 2, find the average mass of the 3 children.
2 m
Level 2
A box is 700 g when it is filled with stickers.
If 35 of the stickers are removed,
the mass of the box with the remaining stickers is 400 g.
What is the mass of the empty box?
2 m
Level 3
A box is 400 g when it is 13 filled with stickers.
The same box is 700 g when it is 35 filled with stickers.
What is the mass of the empty box?
3 m
Level 2 PSLE
The average mass of 3 boys, Abel, Benny, Charlie, is 44 kg. Abel is heavier than Benny by 6 kg. The total mass of Abel and Benny is the same as the mass of Charlie. What is the mass of Abel?
2 m
Level 3
The total mass of Jim and Dim is 82.5 kg. If Jim weighs 12 as much as Dim, find Dim's mass.
3 m
Level 2
The total mass of 6 similar bags of sugar is 4.5 kg. What is the mass of each bag of sugar?
2 m
Level 1
Mr Tan bought 145.2 kg of rice to be packed into 6 bags. How many kilograms of rice were there in each bag?
2 m
Level 1 PSLE
The airmail rates to two countries are shown. Demi sent a letter weighing 32 g to Thailand and a letter weighing 10 g to Australia by airmail. How much did she pay altogether?
2 m
Level 2
The table shows the postage charges for sending letters to Malaysia. Victoria posted a letter with a mass of 89 g. How much did she pay for the postage?
2 m
Level 1
The total mass of Amy and her father is 93.67 kg. Amy's father has a mass of 37.35 kg more than Amy. Find Amy's mass.
2 m
Level 2
The total mass of 3 sacks of potato is 12 kg. Sack A has a mass of 412 kg and Sack B has a mass of 335 kg. What is the mass of Sack C?
2 m
Level 2 PSLE
A bottle completely filled with water weighed 1.9 kg. After 23 of the water was used up, the bottle with the remaining water weighed 800 g. What was the mass of the empty bottle in grams?
2 m
Level 3
A tea shop owner bought a sack of tea. He kept 37 of the tea for his mother and gave away some of the leftovers. He gave away 2 45 kg to his friend and 38 of the rest to his neighbour. He saved the remaining 3.5 kg for his own use. How much tea did he have originally?
3 m
Level 2
The table shows the postage rates for posting mail locally and overseas
Lennon paid $4.20 for posting a package overseas. What was the greatest possible mass of the package that Lennon posted?
2 m
Level 2
The actual masses of two wooden crates, Y and Z, are measured in hundredths. The mass of Crate Y is rounded off to 13.6 kg and the mass of Crate Z is rounded off to 16.8 kg. What is the greatest possible difference in the actual masses of these two crates? Give the answer in kg.
2 m
Level 1 PSLE
The total mass of 8 identical packets of cheese is 7.6 kg. What is the total mass of 2 packets of cheese in grams?
2 m