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