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Measuring Length Relay Race

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Measuring Length Relay Race

Measuring Length Relay Race

Students measuring objects with rulers

📏 Part 1: Measurement Recording

Instructions: Record your team's measurements for each object. Measure carefully and convert between millimetres and centimetres.

1. Object 1: Pencil

Length in millimetres: _______ mm

Length in centimetres: _______ cm

2. Object 2: Textbook width

Length in millimetres: _______ mm

Length in centimetres: _______ cm

3. Object 3: Eraser

Length in millimetres: _______ mm

Length in centimetres: _______ cm

4. Object 4: Paper edge

Length in millimetres: _______ mm

Length in centimetres: _______ cm

5. Object 5: Desk edge

Length in millimetres: _______ mm

Length in centimetres: _______ cm

🔄 Part 2: Conversion Practice

Remember: 10 millimetres = 1 centimetre

6. Convert these measurements:

a) 25 mm = _______ cm

b) 3.7 cm = _______ mm

c) 48 mm = _______ cm

d) 6.2 cm = _______ mm

e) 73 mm = _______ cm

7. Circle the most appropriate unit for measuring each object:

Length of a classroom:

millimetres
centimetres
metres

Width of a fingernail:

millimetres
centimetres
metres

Height of a door:

millimetres
centimetres
metres

🎯 Part 3: Estimation Challenge

8. Before measuring, estimate the length of these objects:

Your shoe length:

Estimate: _______ cm Actual measurement: _______ cm

Width of your hand:

Estimate: _______ cm Actual measurement: _______ cm

Length of your ruler:

Estimate: _______ cm Actual measurement: _______ cm

9. Which measurement tools would be best for these tasks? Check all that apply:

Measuring the thickness of a coin:

Ruler marked in millimetres

Ruler marked only in centimetres

Measuring tape

Metre stick

🤔 Part 4: Reflection and Problem Solving

10. What was the most challenging part of measuring accurately during the relay race?
11. Why is it important to start measuring from zero on the ruler?
12. Match the measurement with the correct decimal representation:
1. 35 mm
2. 42 mm
3. 67 mm
4. 91 mm
A. 6.7 cm
B. 9.1 cm
C. 3.5 cm
D. 4.2 cm
13. Draw a line that is exactly 4.5 centimetres long:
14. How did working as a team help during the measuring relay race?

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