'Addition property' diaporamas de présentation

Friday, September 13 th

Friday, September 13 th. Z is the centroid. If Line 2. XZ = 5. Find XL ZK= 10 Find the median KW. Warm Up. Quiz Answers. Part 1: Centroid . Vertex to centroid=2/3 the distance of th e median Midsegment to centroid = 1/3 the distance of the median. Part 2: Circumcenter.

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Section 2.1 Simplifying Algebraic Expressions

Section 2.1 Simplifying Algebraic Expressions. Identify terms, like terms and unlike terms. Combine like terms Use distributive property to remove parenthesis Write word phrases as algebraic expressions. TERMS: a number or product of numbers and variables.

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Inequality Statements

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Verbal Expressions for =

Verbal Expressions for =. WRITING INEQUALITIES. Verbal expressions that suggest an inequality. >. IS MORE THAN. <. IS LESS THAN. >. IS AT LEAST. <. IS AT MOST. <. IS LESS THAN OR EQUAL TO. >. IS GREATER THAN OR EQUAL TO. Writing equations #1. WRITING INEQUALITIES.

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SOL Review

SOL Review. Algebra I. Which expression correctly represents the area of the rectangle below? (SOL A.2). 8 x 6( x + 2) ( x + 2)( x + 6) x 2 + 2.

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Addition and Subtraction Equations

Addition and Subtraction Equations. Created by Christine Berg Edited by V Hamilton. Inverse Operations:. Addition is the opposite of subtraction and vice versa. Models. = Variable. = 1. = -1. Subtraction Property of Equality. You can subtract the same value from both sides of an equation.

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Advanced Geometry Section 2.5 and 2.6

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2.1 The Addition Property of Equality

2.1 The Addition Property of Equality. Remember that an equation (to solve) includes an equals symbol which distinguishes is from an expression (to simplify or evaluate). Equation. Expression. Definitions. An equation is a statement asserting that two algebraic expressions are equal.

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2-8 Proving Angle Relationships day 2

2-8 Proving Angle Relationships day 2. Use the Angle Addition Postulate to find the measure of angles. Write proofs involving supplementary and complementary angles. Write proofs involving congruent and right angles.

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Solving Equations Using Addition and Subtraction

Solving Equations Using Addition and Subtraction. Objectives :. A.4f Apply these skills to solve practical problems. A.4b Justify steps used in solving equations. Use a graphing calculator to check your solutions. To Solve an Equation means.

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PROBLEM SOLVING PLAN

Do You Remember?. READ and UNDERSTAND the problem. PLAN how to solve the problem. SOLVE it. LOOK BACK and CHECK to see if your answer makes sense. PROBLEM SOLVING PLAN. Adding and Subtracting Decimals. Lesson 1-5. The Basic Steps:. Line up the numbers by the decimal point.

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Objective The student will be able to:

Objective The student will be able to:. recognize and use the commutative and associative properties and the properties of equality. SOL: A.4b. Designed by Skip Tyler, Varina High School. Commutative Property. Commutative means that the order does not make any difference.

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Solving One Step Inequalities by Adding

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Adding and Subtracting Decimals

Adding and Subtracting Decimals. Lesson 1-5. The Basic Steps:. Line up the numbers by the decimal point. Fill in missing places with zeroes. Add or subtract. Addition Properties. Commutative Property of Addition: Numbers can be added in any order. Example: 5+3=3+5.

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Solving Two-Step Equations

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Chapter 3

Chapter 3. Elementary Number Theory and Methods of Proof. 3.5. Direct Proof and Counterexample 5 Floor & Ceiling. Floor & Ceiling. Definition Floor Given any real number x , the floor of x , denoted ? x ?, is defined as: ? x ? = n ? n ? x < n + 1. Ceiling

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Warm UP

Warm UP. On your paper write a story that connects the following streams of pictures. (1 sentence per picture). What is a Proof?. A proof is a convincing argument that something is true. A proof is simply stating how you found your answer.

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Warm Up

Warm Up. Warm Up Answers. Theorem and Proof. A theorem is a statement or conjecture that has been shown to be true. Theorems can be used like a definition or postulate to justify other statements are true.

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