Measuring Lengths Accurately

Name:

Date:

📏 Part 1: Understanding Measurement Units

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

metres (m)

centimetres (cm)

kilometres (km)

2. How many centimetres are in 1 metre?

10 cm

100 cm

1000 cm

3. Fill in the blanks:

a) 250 cm = _______ m

b) 3.5 m = _______ cm

c) 85 cm = _______ m

4. When measuring with a ruler, you should always start from:

The middle of the ruler

The zero mark

Any number on the ruler

📐 Part 2: Practical Measurement

5. Measure these classroom objects and record your measurements:

Object 1 - Your textbook (length): _______ cm

Object 2 - Your desk (width): _______ cm = _______ m

Object 3 - A pencil case: _______ cm

Object 4 - Window frame (height): _______ cm = _______ m

6. From your measurements above:

a) Which object is the longest? _________________

b) Which object is the shortest? _________________

c) What is the difference between the longest and shortest measurements? _______ cm

7. List three situations in daily life where accurate measurement is important:

1. _________________________________________________

2. _________________________________________________

3. _________________________________________________

🎯 Part 3: Problem Solving

8. Sarah is making a picture frame. She needs four pieces of wood: two pieces that are 25 cm long and two pieces that are 18 cm long. What is the total length of wood she needs?

Working:

Answer: _______ cm

9. Extension Challenge: A rectangular garden bed measures 2.5 m by 1.8 m. If you walk around the entire perimeter, how far will you walk? (Give your answer in both metres and centimetres)

Working:

Answer: _______ m = _______ cm

10. Reflection: Explain why it's important to be accurate when measuring lengths. Give one example from real life.