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Which subject	Mathematics
What topic	3.OA.A.3
What length (min)	30
What age group	Year or Grade 3
Class size	20
What curriculum
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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
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Lesson plan

Lesson Plan: Mathematics - 3.OA.A.3

Topic

Understanding Multiplication as Repeated Addition

Objectives

• Students will be able to comprehend the concept of multiplication as a form of repeated addition.
• Students will be able to represent multiplication problems using arrays.
• Students will apply their understanding by solving real-world multiplication problems.

Materials

• Whiteboard and markers
• Manipulatives (e.g., counters, blocks)
• Worksheets with multiplication and addition problems
• Projector (if available) for visual aids
• Homework sheets for practice

Grade/Age Group

Year/Grade 3 (Ages 8-9)

Subject

Mathematics

Class Size

20 students

National Curriculum Alignment

This lesson aligns with the Common Core State Standards for Mathematics, specifically standard 3.OA.A.3, which focuses on interpreting products of whole numbers.

Lesson Structure

Step Number	Step Title	Length (minutes)	Details
1	Introduction to Multiplication	5	Briefly review addition. Introduce multiplication as repeated addition with examples.
2	Guided Practice with Manipulatives	10	Use counters to model multiplication problems. Students will work in pairs to create groups using the counters.
3	Introducing Arrays	5	Show how to create arrays based on their counters. Discuss rows and columns.
4	Independent Practice	5	Distribute worksheets for students to solve multiplication problems using both addition and arrays.
5	Apply Understanding to Real-world Problems	5	Present a real-world scenario for students to create their own multiplication problems.
6	Review and Homework Assignment	5	Review key points of the lesson. Distribute homework sheets for further practice, emphasizing that it will be checked but not presented.

Homework

• Complete a worksheet practicing multiplication as repeated addition with different scenarios.
• Students will write a short paragraph explaining how they solved one of the problems from the worksheet.

Assessment

• Monitor student understanding during guided practice.
• Collect and review worksheets and homework for understanding and correct application of concepts.

This structured lesson plan ensures that third-grade students will engage with the topic of multiplication in a variety of ways, reinforcing their understanding through hands-on activities and real-world connections.

Lesson script