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Mass Measurement Practice
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Mass Measurement Practice
Mass and units
Mass is how much matter an object contains. We measure mass using different units.
Reference:
1,000 mg = 1 g
1,000 g = 1 kg
Milligrams (mg) are very small, grams (g) measure many small objects, and kilograms (kg) measure heavier objects.
1. Match each object to the most sensible unit.
a. A paper clip
b. A school bag
c. A tiny amount of medicine
d. A book
mg
g
kg
2. Which unit is most sensible for measuring an apple?
mg
g
kg
3. Which unit is most sensible for measuring a classroom table?
mg
g
kg
Convert and record
4. Complete: 2,000 mg = ______ g
5. Complete: 3,000 g = ______ kg
6. A pencil has a mass of 12. It is measured in grams. Record the measurement using a number and a unit.
7. A packet is labelled 2,000 g. Is it heavier, lighter or the same as 2 kg? Explain how you know.
Exit check
8. In your own words, what does mass mean?
9. Choose one classroom object. Write a sensible unit for measuring its mass.
10. Complete: 1 kg = ______ g
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