📏 Part 1: Estimate and Measure

Find each object below. First, estimate how long you think it is. Then use your ruler to measure it accurately. Write your answers in centimetres (cm).

1. Find a pencil.

My estimate: _________ cm My measurement: _________ cm

2. Find a book.

My estimate: _________ cm My measurement: _________ cm

3. Find a piece of string or a shoelace.

My estimate: _________ cm My measurement: _________ cm

4. Find a water bottle.

My estimate: _________ cm My measurement: _________ cm

5. Now write your four measurements below, ordered from shortest to longest:

Shortest: _________ cm → _________ cm → _________ cm → _________ cm :Longest

🔍 Part 2: Which is Longer?

Circle the measurement that is longer in each pair below.

6. Which is longer?

15 cm

12 cm

7. Which is longer?

8 cm

80 mm

8. Which is longer?

1 metre

75 cm

9. Match each object to the unit we would most likely use to measure it. Draw a line to connect them.

Length of a classroom

Length of a pencil

Thickness of a coin

millimetres (mm)

metres (m)

centimetres (cm)

💭 Part 3: Think About It

10. Why is it important to measure lengths accurately instead of just guessing? Write one or two sentences.

11. What was one thing you found tricky about measuring today? How did you work it out?

Measuring Lengths Fun!

Measuring Lengths Fun!

📏 Part 1: Estimate and Measure

🔍 Part 2: Which is Longer?

💭 Part 3: Think About It

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