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Measuring Mass with Scales

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Measuring Mass with Scales

Measuring Mass with Scales

Digital kitchen scales with objects

⚖️ Part 1: Understanding Mass

1. Circle the correct answer. What do we use to measure mass?

Ruler

Digital scales

Measuring cup

Clock

2. Which units do we use to measure mass? (Check all that apply)

Grams (g)

Kilograms (kg)

Metres (m)

Litres (L)

3. Fill in the blanks:

When objects are heavy, we measure them in ____________. When objects are light, we measure them in ____________.

🔢 Part 2: Converting Between Units

4. How many grams equal 1 kilogram?
5. Convert these measurements:

a) 2000 grams = _______ kilograms

b) 3 kilograms = _______ grams

c) 1500 grams = _______ kilograms

d) 5 kilograms = _______ grams

6. Circle the heavier measurement in each pair:

a) 800 grams OR 1 kilogram

b) 2000 grams OR 1.5 kilograms

c) 500 grams OR 0.8 kilograms

📏 Part 3: Estimation and Measurement

7. Look at these classroom objects. Estimate their mass, then write what you think they would actually weigh:
Apple: My estimate: _______ grams Actual mass: _______ grams
Textbook: My estimate: _______ grams Actual mass: _______ grams
Water bottle (full): My estimate: _______ grams Actual mass: _______ grams
Pencil case: My estimate: _______ grams Actual mass: _______ grams
8. Which would you measure in kilograms? Circle your answers:

A paperclip

A bag of flour

A feather

A laptop computer

A grape

A backpack full of books

🎯 Part 4: Reading Digital Scales

9. Draw what you see on a digital scale display when it shows:

a) 250 grams

b) 1.2 kilograms

10. Match the scale readings with the correct written form:
1. 0.5 kg
2. 1500 g
3. 2.3 kg
4. 750 g
A. Two and three-tenths kilograms
B. Five hundred grams
C. One and a half kilograms
D. Seven hundred and fifty grams

💭 Part 5: Reflection

11. Why is it important to estimate before we measure?
12. Describe one thing you learned about measuring mass today:
13. Draw and label the heaviest object you measured in class today. Include its mass:

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