Level 1
Find the following values without a calculator.

  1. 115 km = ______m
  2. 234 m = _____ cm
  3. 4410 kg = _____ g
  4. 738 ℓ = _____ mℓ
2 m
Level 1
Tom is 72 kg. Alice's mass is 79 of Tom's mass. What is their average mass?
2 m
Level 1
There are 3 boxes. The mass of Box A is 3.4 kg, the mass of Box B is 5.8 kg and the mass of Box C is 4.2 kg. Which box has its mass nearest to the average mass of the 3 boxes? Give the letter only for the answer.
2 m
Level 2
The mass of a box containing 8 durians is 28.9 kg. Given that the mass of the empty box is 1.7 kg, what is the average mass of the 8 durians?
2 m
Level 2
Jason joined Zumba Fitness Club three years ago when he weighed 84 kg 400 g. Given that he lost an average of 3 kg 500 g every year, how much does he weigh now? (Give the answer in kg and g.)
2 m
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
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
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
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 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 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 2
Leanne used 910 kg of flour to bake some muffins and bread. She used 13 of the flour to bake muffins. How much flour did she use to bake the muffins?
2 m
Level 1
The average mass of Perry, Ethan and Tom is 36 kg. The average mass of Perry and Ethan is 34 kg. Find Tom's mass.
2 m
Level 2
338 kg of black beans was packed equally into 3 packs. How many grams of black beans would there be in each pack? Leave your answer in grams.
2 m
Level 3
Shop X had 68 kg of salt and Shop Y had 128 kg of salt. After both shops sold an equal amount of salt, Shop X had 25 as much salt as Shop Y. How much salt did both shops sell?
3 m
Level 2
The mass of Box A is 35 the mass of Box B. Given the total mass of the two boxes is 112 kg, what is the mass of Box A?
2 m
Level 2 PSLE
Richard bought 2.5 kg of grapes. 100 g costs $0.90. How much did he pay for them?
2 m