Lesson Plan: Multiplying 2-Digit by 1-Digit Numbers

Grade: 4 Subject: Mathematics

Introduction: - Begin the lesson by asking the students if they know what multiplication is and when it is used in everyday life. - Explain that multiplication is a mathematical operation used to find the total of equal groups or to find the total when a number is repeated a certain number of times. - State the learning objective: By the end of the lesson, students will be able to multiply 2-digit numbers by 1-digit numbers accurately.

Lesson Outline: 1. Review of Multiplication Basics (5 minutes) - Recap the concept of multiplication using simple examples. - Remind students of the multiplication symbol (x) and how it is used.

1. Multiplying 2-Digit by 1-Digit Numbers (15 minutes)
   • Explain the process of multiplying a 2-digit number by a 1-digit number using the traditional method.
   • Model the process on the board using a few examples.
   • Emphasize the importance of lining up the digits correctly and carrying over when necessary.
2. Guided Practice (15 minutes)
   • Provide students with a worksheet to practice multiplying 2-digit by 1-digit numbers.
   • Circulate the classroom to provide assistance and monitor progress.
   • Encourage students to use the traditional method and show their work neatly.

Questioning: - During the guided practice, ask questions to check for understanding and promote critical thinking: 1. What is the first step in multiplying a 2-digit number by a 1-digit number? 2. How do you line up the digits correctly? 3. What do you do when the product of two digits is greater than 9?

Assessment: - To assess students’ understanding, provide a short quiz at the end of the lesson. - The quiz should include a variety of multiplication problems involving 2-digit by 1-digit numbers. - Review and provide feedback on the quiz to reinforce correct methods and address any misconceptions.

Differentiation: - For students who need additional support, provide manipulatives such as base-10 blocks or number lines to help visualize the multiplication process. - For students who grasp the concept quickly, provide extension activities such as multiplying larger numbers or solving word problems involving multiplication.

Plenary: - Summarize the lesson by reviewing the steps for multiplying 2-digit by 1-digit numbers. - Ask a few students to share their strategies or explain how they solved a particular problem. - Provide positive feedback and reinforce the importance of practicing multiplication skills regularly.

Video Resources: 1. Khan Academy: Multiplying 2-Digit Numbers by 1-Digit Numbers - Link: https://www.khanacademy.org/math/arithmetic/arith-review-multiply-divide/arith-review-multi-digit-mult/v/multiplying-2-digit-numbers 2. Math Antics: Multiplying 2-Digit Numbers - Link: https://www.youtube.com/watch?v=0SZw8jpfAk0

Worksheet Resources: 1. Education.com: Multiplying 2-Digit Numbers by 1-Digit Numbers Worksheet - Link: https://www.education.com/download/worksheet/105682/multiplying-2-digit-numbers-by-1-digit-numbers.pdf 2. Super Teacher Worksheets: Multiplication Practice - Link: https://www.superteacherworksheets.com/multiplication-2-digit-by-1-digit.html