Mass and Volume — Answer Key
Part A: Fill in the Blank
Write the missing word or number on each line.
1. A Grade 3 slice of bread has a mass of about 30 grams.
A bread slice is only a few tens of grams.
2. A Grade 3 family fridge holds about 200 liters of space inside.
Fridges are measured in liters for volume.
3. A Grade 3 cat has a mass of about 4 kilograms.
Cats have a mass of several kilograms.
4. A Grade 3 coin has a mass of about 5 grams.
Coins have a mass of only a few grams.
5. A Grade 3 cup of tea holds about 200 milliliters of liquid.
Cups hold a couple hundred milliliters.
6. A Grade 3 washing machine uses about 50 liters of water per wash.
Machines use many liters to clean clothes.
7. A Grade 3 crayon has a mass of about 4 grams.
Crayons are only a few grams each.
8. A Grade 3 bike has a mass of about 12 kilograms.
Bikes weigh more than 10 kilograms.
9. A Grade 3 bottle of shampoo holds about 500 milliliters of shampoo.
Standard shampoo bottles hold a few hundred mL.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
Grade 3 soup spoon volume
→ 15 milliliters
15 milliliters
Grade 3 juice jug volume
→ 2 liters
2 liters
Grade 3 banana mass
→ 120 grams
120 grams
Grade 3 sack of potatoes mass
→ 5 kilograms
5 kilograms
Each object is paired with the unit that fits its real size.