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Measuring Length with Units

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Measuring Length with Units worksheet preview
Measuring Length with Units

Measuring Length with Units

Ruler and measuring tools illustration

📏 Part 1: Understanding Units

1. Circle the best unit to measure each object:

A pencil:

centimetres

metres

kilometres

A classroom:

centimetres

metres

kilometres

Distance from Auckland to Wellington:

centimetres

metres

kilometres

2. Tick all the standard units of measurement:

centimetres

paper clips

metres

hands

blocks

📐 Part 2: Measuring Practice

3. Look at the ruler below and write the length of each object:

Object A: _______ cm

Object B: _______ cm

Object C: _______ cm

4. Measure three objects in your classroom using both standard and non-standard units:

Object 1: _________________

Length using ruler: _______ cm

Length using paper clips: _______ paper clips

Object 2: _________________

Length using ruler: _______ cm

Length using paper clips: _______ paper clips

Object 3: _________________

Length using ruler: _______ cm

Length using paper clips: _______ paper clips

🤔 Part 3: Comparing Units

5. Which measuring tool would be best for each task? Draw a line to match:
1. Measuring a book
2. Measuring the playground
3. Measuring a small eraser
A. Measuring tape (metres)
B. Ruler (centimetres)
C. Ruler (centimetres)
6. Why do we use standard units instead of non-standard units? Explain your thinking:

🎯 Part 4: Problem Solving

7. Sarah measured her desk using her hand spans. It was 4 hand spans long. Tom measured the same desk and got 5 hand spans. Why might their measurements be different?
8. Convert these measurements:

100 centimetres = _______ metre

2 metres = _______ centimetres

150 centimetres = _______ metre and _______ centimetres

9. Estimate first, then measure! Choose an object and:

Object chosen: _________________

My estimate: _______ cm

Actual measurement: _______ cm

How close was your estimate? _________________

10. Draw a line that is exactly 8 centimetres long:

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