Lesson Plan : Using the Distributive Property
Teacher Name: | Rebecca Zisko |
Grade: | Grade 11-12 |
Subject: | Math |
Topic: | Distributive Property For any numbers a, b, and c: a(b + c)= a(b) + a(c) or (b + c)a = ba +ca and a(b - c)= a(b) - a(c) or (b - c)a = ba - bc |
Content: | Using the distributive property to evaluate expressions. Use the distributive property to simplify algebraic expressions. Vocabulary: Distributive property, Commutative property of addition and multiplication, Assiciative property of addition and multiplication, Term, Like Term, Unlike Term, equivalent expressions, simplest form, coefficent, variable, numerical expression, and algebraic expression. |
Goals: | To apply the use of the distributive property to an algebraic expression with the use of both the communtive and associative property. |
Objectives: | To understand that the distributive property is use in everyday life to divide among several or many, and in math terms to understand the property allows you to multiply each number in a sum or difference by an outside number. (outside the parentheses) |
Materials: | Algebra 1 text, work book copies, calculator, smart board |
Introduction: | The lesson on the distributive property will allow students the ability to understand how to spread a number that appears, outside the parentheses, to all numbers or variables that fall inside the parentheses. Student will also be able to combine all like terms in order to create and equation in simplest form. |
Development: | I do you watch: Review of past vocabulary. Students will work in a think pair share group in order to correctly identify the following vocabulary words in a multiple choice quick start activity. Vocabulary to use: Commutative property of addition and multiplication, Associative property of addition and multiplication, variable, numerical expression, and algebraic expression. Lecture will contain information read through the pages of 26 and 27. Identification of the vocabulary words as well as real world examples. Questioning will be used in order to prompt the students to be involved in the lesson. Distributive property will be defined in two different methods. 8(14.95) + 8(34.95) or 8(14.95 + 34.95) |
Practice: | I do you help, you do I help. Students will assist the teacher in solving the Example problems found on pgs 27-29. Examples include: Distribute over addition and subtraction, The distributive property and mental math, Algebraic Expression, and Combine like terms. |
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