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Which subject	Mathematics
What topic	Angles
What length (min)	30
What age group	Year or Grade 4
Class size	20
What curriculum
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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

Lesson Plan: Angles

Subject

Mathematics

Topic

Angles

Grade Level

Year 4

Age Group

9-10 years old

Duration

30 minutes

Class Size

20 students

Objectives

• Students will understand the concept of angles.
• Students will be able to identify and classify angles as acute, right, and obtuse.
• Students will measure angles using a protractor.
• Students will apply angles in practical situations to enhance critical thinking.

Materials

• Whiteboard and markers
• Protractors (1 per student)
• Rulers (1 per student)
• Printed angle worksheets
• Interactive angle identification game (online or app-based)

Lesson Structure

Step Number	Step Title	Length	Details
1	Introduction to Angles	5 min	Introduce angles using a visual presentation. Define acute, right, and obtuse angles.
2	Interactive Discussion	5 min	Engage students in a discussion about where they see angles in everyday life (e.g., roads, buildings).
3	Introduction to Protractors	5 min	Teach students how to properly use a protractor to measure angles.
4	Guided Practice	10 min	Distribute angle worksheets. Walk around and assist students as they measure angles in given shapes.
5	Interactive Game	3 min	Use an online game to reinforce angle identification. Allow students to play on their devices or in pairs.
6	Review and Wrap Up	2 min	Recap the lesson by summarizing key points. Answer any remaining questions.

Assessment and Homework

• Homework: Complete an additional worksheet with various angles to measure.
• Assessment will be done through the completion of the worksheet without presenting it in front of the class.

National Curriculum Alignment

This lesson plan aligns with the Australian National Curriculum, focusing on students developing a solid understanding of angles and their applications in real-life situations, fostering both conceptual and practical skills.

Additional Notes

• Ensure that materials are prepared ahead of time.
• Differentiate instruction for any students who may need additional support.
• Encourage students to be curious and ask questions throughout the lesson.

Lesson script