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Length Conversions Grade 4

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Length Conversions Grade 4 worksheet preview

Length Conversions Grade 4

Ruler and measuring tools illustration

📏 Part 1: Understanding Length Conversions

Remember these important conversions:

• 1 metre (m) = 100 centimetres (cm)

• 1 kilometre (km) = 1,000 metres (m)

• 10 millimetres (mm) = 1 centimetre (cm)

Converting Tips:

• To convert metres to centimetres: multiply by 100

• To convert centimetres to metres: divide by 100

• To convert kilometres to metres: multiply by 1,000

1. Which unit would you use to measure the length of a pencil?

kilometres

metres

centimetres

2. How many centimetres are in 3 metres?

30 cm

300 cm

3,000 cm

3. Which is longer?

150 cm

1 m

They are equal

✏️ Part 2: Conversion Practice

4. Convert these measurements. Show your work:

a) 5 metres = ________ centimetres

b) 200 centimetres = ________ metres

c) 2 kilometres = ________ metres

5. Fill in the blanks with the best unit (mm, cm, m, or km):

a) The height of a door is about 2 ________

b) The distance between two cities is 50 ________

c) The width of your thumb is about 2 ________

d) A paperclip is about 3 ________ long

6. Circle the measurements that are equal to 1 metre:

100 cm

1,000 mm

10 cm

0.001 km

🎯 Part 3: Problem Solving

7. Sarah's ribbon is 2 metres long. She cuts off 75 centimetres. How many centimetres of ribbon does she have left?

Answer: ________ centimetres

8. Put these measurements in order from shortest to longest:

50 cm, 2 m, 75 cm, 1.5 m

9. Explain how you would convert 4.5 metres to centimetres:

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