Lesson Plan : Find Product/Quotient of Integers

Teacher Name:
 Ms. C. Williams
Grade:
 Grade 7-8
Subject:
 Math

Topic:
 Finding the product and quotient of integers
Content:
 The product or quotient of two integers: is positive when both integers are positive or both are negative. The product or quotient of two integers is negative when one integer is positive and the other is negative.
Goals:
 Students will develop strategies for multiplying and dividing integers.
Objectives:
 The student will: 12.1 Represent integers on the number line. 12.2 Model situations with integers. 12.3 Compare integers using <, =, and > symbols. 12.4 Develop strategies for adding, subtracting, multiplying, and dividing integers. 12.5 Use integers to solve problems. 12.6 Find inverses for given integers.
Materials:
 Overhead projector, computer w/projector
Introduction:
 The Party in Mathland. This little story is designed to help students remember the rules of multiplying and dividing integers. Students will use be given a study guide for their math notebooks to use as a reference.
Development:
 Students will view the rules of multiplication and division of positive and negative numbers using the website "Amby's.com"
Practice:
 The teacher will use the website's practice section to practice as a class, completing the problems. Students will work with a partner to complete the practice problems. The teacher will circulate and monitor student's progress and answer any questions students may have.
Accommodations:
 1. Students will work with a partner during class time.
Checking For Understanding:
 Students will complete the following two problems to check for their understanding of multiplying and dividing positive and negative numbers. If Roger is losing $12 each day, how much would he loose in 23 days? Formulate the problem (-12)*23) Process: Multiply the numbers and get the solution -276. Since it is a negative number multiplied by a negative number, the answer is negative. Solution: Roger would loose $276.00. Jeremy has a debt of $23,000. He pays $245 each month. How many months until his debt is paid off? Formulate the problem: -23,000/-245 Process: Divide the numbers and get the solution 93.88. Since the answer is a negative number divided by a negative number, the answer is positive. Solution: 94 months. If the students have difficulty, addition examples will be provided.
Closure:
 Restate the objectives and review problems from the practice problems.
Evaluation:
 Students will be given a quiz (10 problems) to access their understanding of the concepts being taught. Students will be administered a paper and pencil test.

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