Farmer Nick has 4 rabbits. The mass of Rabbit G is the same as the average mass of the 4 rabbits. Rabbit H weighs 5 kg less than the average mass of the 4 rabbits. The mass of Rabbit I is 7 kg more than the average mass of the 4 rabbits. The mass of Rabbit J is 34 kg. Find the total mass of the 4 rabbits.
3 m
The line graph shows Kenneth's mass from birth to his first birthday. At what age was Kenneth's mass 3 times his mass at birth? _____ months
1 m
The graph shows the mass of a cup when empty and when different combinations of objects A, Band C are placed in the cup.
  1. What is the mass of the empty cup?
  2. What is the average mass of the objects A, Band C?
2 m
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
Fill in the blanks.
The mass of Bryan is 35 more than the mass of Adam.

  1. Bryan's mass = _____ u
  2. Adam's mass =_____ u
  3. Total mass of Bryan and Adam = _____ u
  4. Difference between the mass of Bryan and Adam = _____ u
2 m
Fill in the blanks.
The mass of Bryan is 35 less than the mass of Adam.

  1. Adam's mass = _____ u
  2. Bryan's mass =_____ u
  3. Total mass of Adam and Bryan = _____ u
  4. Difference between the mass of Bryan and Adam = _____ u
2 m
Four children made the following statements. Winnie : The average of Yoko's mass and my mass is 39 kg. Xtra : I am the heaviest. Yoko : Zane is 2 kg lighter than Xtra. Zane : Our masses are in consecutive order (In running sequence). What is the total mass of Winnie, Xtra and Yoko ?
3 m
The mass of 4 children, Mandy, Nellie, Peter and Richie were taken. Only 3 children can be weighed at one time. Mandy, Nellie and Peter weighed a total of 55 kg. Nellie, Peter and Richie weighed a total of 56 kg Mandy, Peter and Richie weighed a total of 57 kg. Mandy, Nellie, and Richie weighed a total of 60 kg. What is the average mass of the 4 children?
3 m
Box X is half as heavy as Box Y. Box Z is 3 times as heavy as Boxes X and Y together. What is the mass of Box Z if Box Y is n kg?
2 m
The average mass of Lynn and Joan is 18p kg. If Joan is 4p kg lighter than Lynn, find Lynn's mass in kg.
2 m
TRY FOR FREE
Find the following values without a calculator.
  1. 2 kg = _____ g
  2. 3.4 kg = _____ g
  3. ______ g = 7.5 kg
  4. ______ kg = 2000 g
2 m
Find the following values without a calculator.
  1. 1007 mℓ = 1 ℓ _____ mℓ
  2. 2067 mℓ = 2 ℓ _____ mℓ
  3. 1 ℓ 3 mℓ = _____ ℓ
  4. 12 ℓ 45 mℓ = _____ mℓ
2 m
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
Gary weighs x kg while Jim weighs 2y kg.
  1. Find the average mass of each boy in terms of x and y.
  2. If x = 47 and y = 19, find the average mass of each boy.
2 m
Find the following values without a calculator.
  1. Express 100 mℓ as a percentage of 2 ℓ.
  2. Express 2000 mℓ as a percentage of 1 ℓ.
  3. Express 30 min as a percentage of 2 hours.
  4. Express 2 min as a percentage of 30 seconds.
2 m
Find the following values without a calculator.
  1. 125 h = _____ min
  2. 234 m = _____ m (Give the answer in fraction.)
  3. 814 m = _____ km
  4. 738 kg = _____ g
2 m
TRY FOR FREE
A store owner had 505 kg of fresh honeydews. The honeydews contained 60% water when fresh. One week later, there was only 50% water left in the honeydews. What was the mass of the honeydews one week later?
2 m
A tank, which is 10 cm long, 6 cm wide and 5 cm deep, holds 120 g of salt. If 6 kg of the same salt is packed into a tin with a 20-cm square base, how tall must the tin be?
3 m
The total mass of Cindy, Jen and Marvin is 15p kg. Cindy has a mass of 5p kg. Jen is 2 kg heavier than Cindy.
  1. What is Marvin's mass in terms of p?
  2. If p = 10, what is Marvin's mass?
3 m
28 kg of watermelons are sorted into 3 sizes; large, medium and small. The ratio by mass of the large to medium to small watermelons is 10 : 3 : 1. There are 45 as many large watermelons as medium watermelons. There are 34 as many small watermelons as large watermelons. There are 10 large watermelons per kilogram. Find the total number of small and medium watermelons.
4 m