Length

Lesson Plan: Length (Grade 2)
Subject: Mathematics
Topic: Understanding Length (Measuring Objects)
Grade 2 
🎯 Learning Objectives
By the end of the lesson, learners should be able to:
Understand what “length” means
Compare objects using words like longer, shorter, tallest, smallest
Measure objects using non-standard units (paper clips, pencils, blocks)
Record simple measurements
🧰 Teaching Materials
Ruler (optional for introduction)

marker
🧠 Introduction 
Show two objects (e.g., pencil and ruler).
Ask:
“Which one is longer?”
“How do we know something is long or short?”
Explain:
Length is how long or short something is.
👉 Key idea: We measure length to compare objects.
📚 Teaching & Activity 
Step 1: Comparing Objects
Show two or three classroom objects.
Ask learners to compare:
Which is longer?
Which is shorter?
Which is tallest?
🎯 Assessment 
Oral questions:
What is length?
Which is longer: chair or pencil?
Name one tool used for measuring.
🌟 Conclusion
Summarize:
Length helps us know how long or short things are.
We can measure using everyday objects or rulers.