PPT-Lesson 2.2 Adding Rational Numbers

WarmUp 25 102416 Is the same Evaluate 12 3 30 What is rational number   Homework 102416 Textbook Big Ideas Page 54 514 ALL Rational Numbers A rational number is a real number that can be written as a simple fraction ie as a ratio. 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! . 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, . Rational Numbers. The . real number system. consists of rational and irrational numbers.. . Rational numbers. can be expressed in fractional form, , where a (the numerator) and b (the denominator) are both integers and b = 0.. Without models. How many groups of 0.3 are in 0.6?. This problem is equivalent to 0.6 . ÷ 0.3. You can. use a grid to model this division by circling groups. of 0.3 and counting the number of groups.. 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.. 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. Fractions and Icebergs!. Since 1912. when the Titanic sank after striking an iceberg, ships and planes from the INTERTATIONAL ICE PATROL have searched the waters of the North Atlantic to report icebergs that have broken off Greenland’s Ice Sheet and drifted into shipping. . 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.. 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. Objective. TSW identify the parts of the Real Number System. TSW define rational and irrational numbers. TSW classify numbers as rational or irrational. Real Numbers. Real Numbers are every number.. Therefore, any number that you can find on the number line.. grade Math – Numeration Unit. 7. π. -√36. ¾. 0. 2.12122….. Number Types. Whole . Integers. Rational Numbers. Irrational Numbers. Which is which? . How can you tell them apart?. Whole Numbers. 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.