PPT-Adding and subtracting rational expressions:

To add or subtract rational expressions use the addition property Taken from httppodcastsshelbyedk12alussclemonsfiles201105addsubtractionrationalsppt1 If the expressions have the same common denominator add or subtract the numerators keep the same denominator and simplify the result. Adding/Subtracting with . Like. Denominators. Like denominators are denominators that are the same. Steps:. 1.) If there are whole numbers, add or subtract the whole numbers.. 2.) Add or subtract the numerators. Remember to Silence Your Cell Phone and Put It In Your Bag!. Comparing Rational Numbers (in fraction form). Models. For , where b>0, iff a<c.. For , where b>0 and d>0, . Expression & Functions:. . Definitions, Multiplying, Dividing. Fractions - a Quick Review. Definitions. : . Rational . Functions, Expressions. Finding the Domains . (and Exclusions) of Rational Functions. and Subtracting . Fractions. Pre-Algebra. Objectives. Add . proper fractions. Subtract proper fractions. Solve a word problem involving . . addition and subtraction of fractions..  .  .  .  .  . Rational Expressions. Adding & Subtracting . Rational Expressions . with the Same Denominators. Finding the LCD of 2 or more Polynomial Denominators. Adjusting . Opposite Factors . in Denominators. Student Expectation. 7. th. Grade:. 7.1.2C. Use . models, such as concrete objects, pictorial models, and number lines, to add, subtract, multiply, and divide integers and connect the actions to algorithms. . The Rules of Square Roots. Rational or Irrational?. . Never make the decision of rational or irrational until you have simplest form of the given.. If there is still . a radical or . . . in the final answer, then the number is IRRATIONAL.. Curriculum Leaders. Theoretical Computers: Fun With Finite State Machines. Computing Without Computers . Insert any specific notes. Start / End time. Toilets. Fire Drill / Exits. Theoretical Computers: Fun With Finite State Machines. The word . rational. contains the word . ratio. , which is another word for quotient. A rational number can be written as a ratio of integers.. Example 1 – . Determining Whether Numbers Are Rational or Irrational. Subtitle. Finding a Common Denominator. Adding and subtracting rational numbers with variables works much the same way as constants. The only variations we need to worry about is how to handle multiplication by variable factor and how that factor affects the numerator’s sum or difference.. Please get out paper for today’s lesson. --------------------------------------------------------. Name. Date. Period. 7.NS.A.2. Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers. 4. 3. 2. 1. 0. In addition to level 3.0 and above and beyond what was taught in class,  the student may:. ·         Make connection with other concepts in math. ·         Make connection with other content areas.. Investigation2: Adding and Subtracting Rational Numbers. Students will demonstrate how to combine numbers with the same sign and different signs. Homework. Pg. 44. 1-11 odd. 19-29 odd. 30, 48,54,66. Investigation 3: Multiplying and Dividing Rational Numbers. Students will demonstrate how to combine numbers with the same sign and different signs. Homework. Pg. 67. 25,38-41. Warm-up. 3.1 Multiplication Patterns with Integers.