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
Find the following values without a calculator.
  1. 125 h = _____ min
  2. 234 m = _____ m (Give the answer in decimal.)
  3. 814 km = _____ m
  4. 738 kg = _____ g
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
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 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