Understanding and Comparing Lengths Number Work Kindergarten Age 5 First Term Lesson Notes Week 9

Subject: Number Work

Class: Kindergarten

Term: First Term

Week: Week 9

Age: 5 years

Topic: Length Comparison

Sub-topic: Understanding and Comparing Lengths

Duration: 45 minutes

Behavioural Objectives:

  • Pupils will understand the meaning of length.
  • Pupils will identify objects as short, long, or tall.
  • Pupils will compare the length of objects using non-standard units (e.g., index finger or hand span).

Key Words: Length, compare, short, long, tall, measure, non-standard units

Set Induction: Let’s talk about different objects in the classroom. Some are tall, and some are short. Can you name a tall object and a short object?

Entry Behaviour: Can you describe something that is long or short?

Learning Resources and Materials:

  • Measuring objects (e.g., blocks, pencils, books)
  • Length picture charts
  • Non-standard measuring tools (e.g., index finger, hand span)

Building Background/Connection to Prior Knowledge: We have seen many objects in our classroom. Today, we will learn how to compare their lengths.

Embedded Core Skills:

  • Communication and Collaboration
  • Critical Thinking and Problem Solving
  • Creativity and Imagination

Learning Materials:

  • Reference book: Lagos State Scheme of Work
  • Picture charts showing objects of different lengths

Instructional Materials:

  • Whiteboard
  • Marker
  • Visual aids of different lengths

Content: Today, we will learn about length and how to compare it. We will identify objects as short or long/tall and measure them using non-standard units like our index fingers or hand spans.


Step 1: The teacher revises the previous topic, which was about understanding time.

Step 2: The teacher introduces the new topic by showing different objects and discussing their lengths.

Step 3: The teacher allows pupils to give their own contributions and corrects them when necessary.

Teacher’s Activities:

  • Explain the concept of length using simple terms.
  • Show examples of short, long, and tall objects.
  • Demonstrate how to measure using non-standard units.

Learners’ Activities:

  • Participate in discussions about length.
  • Work in pairs to identify and classify objects by length.
  • Measure objects using their index fingers or hand spans.


Ten Evaluation Questions:

  1. What is the meaning of length?
  2. Which of these is a long object?
    • a) Pencil
    • b) Table
    • c) Eraser
    • d) Paper clip
  3. Which object is taller, a chair or a desk?
  4. How can you measure a book using non-standard units?
  5. Compare the length of a pencil and a crayon.
  6. Is a ruler long or short?
  7. Which is longer, a pencil or a marker?
  8. How do you use your hand span to measure an object?
  9. Identify a short object in the classroom.
  10. What is a non-standard unit of measurement?

Conclusion: The teacher goes round to mark and provides necessary feedback on the topic. Pupils will now understand how to compare lengths and use non-standard units for measurement.

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