Mass and Volume — Answer Key
Part A: Fill in the Blank
Write the missing word or number on each line.
1. A Grade 3 bowl of soup is best measured in milliliters for volume, not kilograms.
Grade 3 students match soup volume to milliliters.
2. A Grade 3 watermelon is best measured in kilograms for mass, not grams.
Grade 3 learners match watermelons to kg.
3. A Grade 3 swimming pool holds water best measured in liters, not milliliters.
Grade 3 pupils match pools to liters.
4. A Grade 3 strawberry is best measured in grams for mass, not kilograms.
Grade 3 learners match strawberries to grams.
5. A Grade 3 cup of milk is about 250 mL of liquid.
Grade 3 students estimate a cup at 250 mL.
6. A Grade 3 loaf of bread is about 500 g in mass.
Grade 3 learners estimate a loaf at 500 g.
7. A Grade 3 large dog has a mass of about 20 kg, not 20 grams.
Grade 3 pupils match big dogs to kg.
8. A Grade 3 bottle of water is often 1 L in volume.
Grade 3 students match water bottles to 1 L.
9. A Grade 3 teaspoon of syrup is about 5 mL in volume.
Grade 3 learners estimate a teaspoon at 5 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.
A Grade 3 pencil case
→ 200 g
200 g
A Grade 3 bathtub
→ 150 L
150 L
A Grade 3 cereal bowl
→ 300 mL
300 mL
A Grade 3 small puppy
→ 3 kg
3 kg
Grade 3 learners pair objects with reasonable amounts.