Full lesson	Create for a teacher a set of content for giving a lesson, beginning with the lesson plan. Each new block of materials must begin with an H1 heading (other subheaders must be H2, H3, etc). When you describe required pictures, write those descriptions in curly brackets, for example: {A picture of a triangle}
Which subject	Mathematics
What topic	Length
What length (min)	30
What age group	Doesn't matter
Class size	20
What curriculum
Include full script
Check previous homework
Ask some students to presents their homework
Add a physical break
Add group activities
Include homework
Show correct answers
Prepare slide templates
Number of slides	5
Create fill-in cards for students
Create creative backup tasks for unexpected moments

Lesson plan

Topic

Length

Subject

Mathematics

Grade/Age Group

Primary School (Grades 3-5)

Objectives

• Understand the concept of length and its measurement.
• Differentiate between different units of measurement (centimeters and meters).
• Accurately measure objects using a ruler.
• Solve simple problems involving addition and subtraction of lengths.

Materials

• Rulers (30 cm)
• Measuring tapes
• Whiteboard and markers
• Worksheet with measurement problems
• Classroom objects for measurement (books, pencils, etc.)
• Homework assignment sheets

Class Size

20 students

Lesson Length

30 minutes

National Curriculum Compliance

This lesson corresponds with the Irish Primary Mathematics Curriculum, focusing on measurement in a practical and engaging manner.

Lesson Structure

Step Number	Step Title	Length (mins)	Details
1	Introduction	5	Introduce the topic of length; discuss what length is and why it’s important in everyday life. Show examples of lengths in different contexts (e.g., height, distance).
2	Units of Measure	5	Explain and compare different units of measurement (centimeters and meters). Use visual aids to illustrate differences.
3	Measuring Practice	10	In pairs, have students measure various classroom objects using rulers and measuring tapes. Ensure all students participate and practice measuring accurately.
4	Worksheet Activity	5	Distribute a worksheet with simple length problems (addition and subtraction) for students to complete individually. Monitor and assist where necessary.
5	Recap & Discussion	3	Briefly review what the students learned about length and measurement. Discuss the answers to the worksheet without calling on students to present individually.
6	Homework Assignment	2	Explain the homework assignment that involves measuring items at home and recording their lengths in centimeters and meters. Ensure students understand the tasks.

Homework

• Measure 5 different objects at home using a ruler and record their lengths in centimeters and meters on the provided homework sheet.
• Complete additional practice problems related to length from the homework assignment.

Assessment

• Observe student participation during measuring practice.
• Review completed worksheets for understanding of concepts.
• Check homework submissions to assess comprehension and application of measuring lengths at home.

Lesson script