Metric Unit Conversions

Name:

Date:

📚 Part 1: Quick Checks & Multiple Choice

WALT: Convert between metric units using prefixes and powers of ten.

Success Criteria: I can use kilo-, centi-, milli- and micro- correctly; multiply/divide by powers of ten; use conversion tables when needed.

Note: Use the space provided for a brief calculation if needed.

1. Which is equal to 2500 m?

2.5 km

250 km

250 000 cm

0.25 km

2. 724 g is equal to:

0.724 kg

7.24 kg

72.4 kg

7240 kg

3. 3.5 L =

350 mL

3500 mL

0.35 mL

35 000 mL

4. Check all true statements:

Converting to a larger metric unit makes the number smaller

Milli- means 1 000 times larger

Kilo- means 1 000 times larger

✏️ Part 2: Short Answer & Worked Calculations

5. Convert 0.005 km into millimetres. Show your working.

6. A bag of flour weighs 2.75 kg. How many grams is this? Show your working.

7. Convert 2050 mL to litres. Give your answer as a decimal.

8. A lab sample is 5000 μL. Convert this volume to millilitres (mL).

Extension (for early finishers)

9. Convert 0.00032 km to centimetres. Write each step clearly.

10. If a car uses 8.5 L of fuel every 100 km, how much fuel will it use over 65 000 m? Show full working and give your answer to three decimal places.

Differentiation: Use conversion tables if you need them. For dyslexia-friendly support, underline the unit you are converting from and to, and write each power-of-ten step on a new line.