Measuring Length with a Ruler

Rulers
Objects to measure (e.g., crayons, erasers, books)
Worksheets to record measurements.Introduction: Explain the importance of using standard units like centimetres to measure length. Show a ruler and explain its markings.
Demonstration: Demonstrate how to align the object with the zero mark on the ruler and read the measurement in centimetres.
Activity: Provide each student with a ruler and a set of objects to measure.
Measurement: Students measure the length of each object using the ruler and record their measurements on the worksheet.
Comparison: Students compare their measurements with their classmates and discuss any differences.
Conclusion: Discuss the importance of accuracy in measurement and reinforce the concept of using standard units.