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Which subject	Mathematics
What topic	Factoring
What length (min)	30
What age group	Year or Grade 9
Class size	20
What curriculum
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Number of slides	5
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Lesson plan

Lesson Plan: Factoring

Topic

Factoring

Objectives

• Understand the concept of factoring in algebra.
• Identify and factor out the greatest common factor (GCF) of algebraic expressions.
• Factor polynomials using various methods such as grouping and trinomials.
• Apply factoring skills to simplify expressions and solve equations.

Materials

• Whiteboard and markers
• Projector and screen (if available)
• Graphing calculators
• Printed worksheets for practice
• Homework assignments

Grade/Age Group

Grade 9 (14-15 years old)

Subject

Mathematics

Class Size

20 students

Lesson Length

30 minutes

National Curriculum Alignment

This lesson plan adheres to the national curriculum standards for Mathematics at Grade 9 level, focusing on algebraic expressions and polynomials.

Lesson Structure

Step Number	Step Title	Length	Details
1	Introduction to Factoring	5 min	Briefly introduce the concept of factoring. Discuss its importance in simplifying expressions.
2	Greatest Common Factor	8 min	Explain how to find the GCF of a set of numbers. Provide examples and guide students through a few problems.
3	Factoring Trinomials	8 min	Introduce the method of factoring trinomials. Use step-by-step examples to illustrate the process. Guide students in practicing this method.
4	Practice Problems	7 min	Distribute worksheets with practice problems. Allow students to work individually or in pairs to solve factoring problems.
5	Review and Recap	2 min	Go over the key takeaways of the lesson. Answer any lingering questions students may have.
6	Homework Assignment	0 min	Assign homework related to factoring which will be collected at the beginning of the next class for check only.

Homework

• Assign a worksheet with a mixture of GCF and trinomial factoring problems.
• Make clear that it will be collected without requiring presentations, focusing instead on student understanding.

Assessment

• Informal assessment through observation during practice problems.
• Check homework for understanding of concepts without requiring student presentations.

Additional Notes

• Encourage students who need extra help to attend office hours or seek additional resources online.
• Remind students to ask questions during the practice portion if they encounter difficulties.

Lesson script