PPT-Unit 2. Day 8. Topic: Adding & Subtracting Rational Numbers

Please get out paper for todays lesson Name Date Period 7NSA2 Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers. By: Jenny Erickson. Adding in Scientific Notation. and. Subtracting in Scientific Notation. Adding and Subtracting…. The important thing to remember about adding or subtracting is that the exponents must be the same! . 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, . Home. 7/8. 8/12. 7/9. 7/10. 2/3. 11/12. 7/10. 8/15. 16/12 or 1 . ¼. 11/24. . 1 7/12. 1 5/56. 29/30. 29/52. 1 1/10. 5/8. 5/12. 1/3. 2/5. 1/2. 7/20 . 8/21. 23/36. 9/22. 71/126. Multiples. Home. A. List the first 5 multiples of:. Rational Expressions. Adding & Subtracting . Rational Expressions . with the Same Denominators. Finding the LCD of 2 or more Polynomial Denominators. Adjusting . Opposite Factors . in Denominators. To add or subtract rational expressions use the addition property:. Taken from http://podcasts.shelbyed.k12.al.us/sclemons/files/2011/05/add-subtraction-rationals.ppt#1. If the expressions have the same (common) denominator, add or subtract the numerators, keep the same denominator, and simplify the result.. Section 1-5. Goals. Goal. To find sums and differences of real numbers.. Rubric. Level 1 – Know the goals.. Level 2 – Fully understand the goals.. Level 3 – Use the goals to solve simple problems.. 04/20/17. How do we use models to add and subtract integers?. How do we add or subtract integers without models?. Today We’ll Discuss. One of the main reasons for having negative numbers is that they give us . 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.. To add or subtract rational expressions use the addition property:. Taken from http://podcasts.shelbyed.k12.al.us/sclemons/files/2011/05/add-subtraction-rationals.ppt#1. If the expressions have the same (common) denominator, add or subtract the numerators, keep the same denominator, and simplify the result.. Dr J Frost (jfrost@tiffin.kingston.sch.uk). www.drfrostmaths.com. . Last modified: . 3. rd. September . 2015. Objectives: . Add, subtract, multiply and divide negative numbers, as well as raise a negative number to a power.. Warm-Up #25 (10/24/16) . Is . the same?. Evaluate (12 – - 3) 30.. What is rational number? .  . Homework (10/24/16). Textbook: Big Ideas. Page 54. #5-14 ALL. Rational Numbers. A rational number is a real number that can be written as a simple fraction (i.e. as a ratio.). 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. with Double Signs. We have been learning how to Add and Subtract Integers using: . Number Lines. Rules. Why Learn?. Well, let’s take a look at how a hike and a little “butterfly watching” ties this skill to the real world!.