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Metric Length Unit Conversions

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Metric Length Unit Conversions

Metric Length Unit Conversions

Metric ruler and measuring tools

📏 Part 1: Understanding Metric Units

1. Circle the most appropriate unit for measuring each item:

a) The length of a pencil

millimetres (mm)

centimetres (cm)

metres (m)

kilometres (km)

b) The distance from Auckland to Wellington

millimetres (mm)

centimetres (cm)

metres (m)

kilometres (km)

c) The width of your classroom door

millimetres (mm)

centimetres (cm)

metres (m)

kilometres (km)

2. Fill in the missing conversion facts:

10 mm = _______ cm

100 cm = _______ m

1000 m = _______ km

1 m = _______ mm

🔄 Part 2: Basic Conversions

3. Convert these measurements. Show your working:

a) 2500 mm = _______ m

b) 3.5 km = _______ m

c) 450 cm = _______ m

d) 1.2 m = _______ mm

4. Circle whether you multiply or divide for each conversion:

To convert from metres to centimetres:

Multiply by 100

Divide by 100

To convert from millimetres to metres:

Multiply by 1000

Divide by 1000

🏫 Part 3: Real-Life Problems

5. Solve these New Zealand measurement problems:

a) The local park is 2.8 km from your school. How many metres is that?

Answer: _____________ metres

b) A rugby field is 100 metres long. How many centimetres is that?

Answer: _____________ centimetres

c) Your pencil is 185 mm long. Express this in centimetres.

Answer: _____________ centimetres

6. Estimation check: Circle the most reasonable answer for each:

The height of a Year 7 student is most likely:

150 mm

150 cm

150 m

The distance you can walk in 10 minutes is about:

800 mm

800 cm

800 m

🧮 Part 4: Challenge Conversions

7. Convert these decimal measurements:

a) 0.75 m = _______ cm

b) 2.35 km = _______ m

c) 4250 mm = _______ m

8. Match each measurement with its equivalent:
1. 5000 mm
2. 0.5 km
3. 250 cm
4. 3000 m
A. 3 km
B. 2.5 m
C. 500 m
D. 5 m

💭 Part 5: Reflection

9. Explain your strategy for converting between metric units:
10. Why is it important to choose the correct unit when measuring? Give an example:

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