PPT-Multiplying and Dividing in Scientific Notation

Multiplying Numbers in Scientific Notation Multiply the decimal numbers together Add the exponents to get the power of 10 General formula N X 10 x M X 10 y N M X 10. Essential Question: How do we multiply integers? How do we divide integers?. Multiplying Integers . The product of two integers with the same sign is positive.. The product of two integers with different sign is negative.. Unit 5.7. Pages 250-253. . . 2.. 3.. 4.. 6. 50. 30. 120 . Warm Up . Problems. Write each fraction in simplest form.. What is ½ of 12. . What is ½ of 100. What is ¼ of 120. What is ¼ of 480. 04. /04/17. How do we multiply and divide decimals using fractions?. How do we multiply and divide decimals using algorithms?. How do we use division to write repeating decimals?. How do we use scientific notation?. Multiplying Numbers in Scientific Notation. Multiply the decimal numbers together.. Add the exponents to get the power of 10. . General formula. : . . (N X 10. x. ) (M X 10. y. ) = (N) (M) X 10. 3/23/17. How do we multiply and divide fractions and mixed numbers?. How do we use models to multiply and divide fractions?. How do we estimate products and quotients of fractions?. Today We’ll Discuss. TeacherTwins©2014. Warm Up. Add or subtract.. 1). . 2). . 3). . 4). . 5). Explain how to change the following problem to an addition problem and solve. .  . 6. 11. -6. -11. Leave, change , opposite 9+ 9 = 18. Understand technology and scientific notation. 4. 3. 2. 1. 0. In addition to 3, student will be able to go above and beyond by applying what they know about working with . integer . exponents..  .  . 6.2.1 Multiplying Fractions. 6.2.2 Dividing Fractions. 6.2.3 Dividing Mixed Numbers. Multiplying Fractions. Step #1. : Multiply across the . top. of both fractions. Step #2. : Multiply across the . bottom.  . Can you name the parts of a fraction?. ?. ?. numerator. denominator. What sort of fractions / numbers are these:.  .  .  . ?. ?. ?. p. roper fraction. improper fraction. m. ixed number. Multiplying Fractions. REALLY, REALLY . BIG . OR. . REALLY, REALLY . SMALL. . NUMBERS.. Mathematicians . are Lazy!!!. They decided that by using powers of 10, they can create short versions of long numbers.. Rules for Scientific Notation.  . Can you name the parts of a fraction?. ?. ?. numerator. denominator. What sort of fractions / numbers are these:.  .  .  . ?. ?. ?. p. roper fraction. improper fraction. m. ixed number. Multiplying Fractions. Multiplying and Dividing Fractions This session will be recorded for learning purposes.  Learning purposes include: a lesson review for students who are absent, students who want to review for a test, etc. 210,000,000,000,000,000,000,000 miles. (22 zeros). This number is written in decimal notation. When numbers get this large, it is easier to write them in scientific notation.. Scientific Notation. A number is expressed in scientific notation when it is in the form. 4. 3. 2. 1. 0. In addition to 3, student will be able to go above and beyond by applying what they know about working with . integer . exponents..  .  .  .  .  . The student will be able to work with .