Mass and Volume — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. A Grade 3 jug holds 1500 mL and a bottle holds 900 mL. Which holds more and by how much?
A) Jug by 500 mL
B) Jug by 600 mL
C) Bottle by 600 mL
D) Same amount
Grade 3 learners compute 1500 - 900 = 600 mL difference.
2. A Grade 3 box of books has 4 kg and another has 7 kg. How much heavier is the second box?
A) 2 kg
B) 3 kg
C) 4 kg
D) 11 kg
Grade 3 students compute 7 - 4 = 3 kg heavier.
3. A Grade 3 pot has 2500 mL of soup and a bowl has 750 mL. The pot has how much more soup?
A) 1750 mL
B) 1500 mL
C) 1250 mL
D) 1800 mL
Grade 3 learners compute 2500 - 750 = 1750 mL more.
4. A Grade 3 bag A holds 850 g of rice, bag B holds 650 g. Together they have how much rice?
A) 1400 g
B) 1500 g
C) 200 g
D) 1600 g
Grade 3 students compute 850 + 650 = 1500 g total.
Part B: Fill in the Blank
Write the correct answer on each line.
1. A Grade 3 tank A holds 6 L, tank B holds 4 L. Tank A holds 2 L more.
Grade 3 learners compute 6 - 4 = 2 L more in A.
2. A Grade 3 box A has 500 g and box B has 750 g. Box B is 250 g heavier.
Grade 3 students find 750 - 500 = 250 g heavier.
3. A Grade 3 bucket has 3500 mL and a jug has 1500 mL. Total volume is 5000 mL.
Grade 3 learners compute 3500 + 1500 = 5000 mL.
4. A Grade 3 crate has 8 kg, another has 5 kg. The lighter is 3 kg less.
Grade 3 students find 8 - 5 = 3 kg lighter.
5. A Grade 3 bottle has 950 mL and a cup has 250 mL. Bottle has 700 mL more.
Grade 3 learners compute 950 - 250 = 700 mL more.