PPT-Beyond Invert and Multiply: Making Sense of Fraction Comput

Julie McNamara November 6 and 7 2014 Have you ever heard Yours is not to reason why Just invert and multiply In contrast to Children who are successful at making sense of mathematics are those who believe that mathematics makes sense. Equivalent Fractions. Multiply the numerator and denominator by the same number.. You will get a new fraction with the same value as the original fraction.. We are not changing the value of the fraction, because . Lesson 5-1. Just Follow These Easy Steps!. Multiply the numerators and write down the answer as your new numerator.. Multiply the denominators and write down the answer as your new denominator.. Simplify.. (Part Two). To find 1/8 of something, we divide that thing by 8.. What if we wanted to know what 3/8 of something was? . You’d be doing the same thing 3 times, so you would multiply by 3. . (72 is a whole number – so it’s all in one group. 72 ÷1 is… 72.) . Introducing:. factor. product. reciprocal. inverse. identity. http://www.visualfractions.com/investigate.htm. Multiply Fractions 1. The parts of this multiplication example are the first . factor. Conversions. Using t. he . Factor Label Method. Scientific Notation. Easier way to write very large and very small numbers. 983,000,000 = 9.83 x 10 . 8. 0.00000983 = 9.83 x 10 . -6. Takes advantage of the fact that:. Lesson 5-1. Just Follow These Easy Steps!. Multiply the numerators and write down the answer as your new numerator.. Multiply the denominators and write down the answer as your new denominator.. Simplify.. 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?. We have added and subtracted fractions. In this lesson we will multiply fractions. When we add and subtract fractions, we count how many of the same size parts there are. When we multiply fractions, the sizes of the parts change. Consider this multiplication problem: . NCSM Annual Conference 2016. Jason Gauthier @jgauthier13. Mathematics Consultant, . Allegan, MI. Handouts: . www.whatsupwithmath.com/ncsm-2016.html . “No one has time to do more, but everyone has a responsibility to do things differently.”. Dr J Frost (jfrost@tiffin.kingston.sch.uk) . Last modified: . 2. nd. September 2013. Starter. Expand the following..  . ?. ?. ?. ?. ?. Recap: Basic Laws of Indices.  .  .  .  .  .  . ?. ?. ?. x. is what we don’t know … but it will be the fraction whose decimal equivalent is point-seven repeating.. Since the decimal begins repeating at the 10ths place, we will multiply both sides by 10.. Lesson 1. Our decimal system is based on powers of 10 such as 10, 100, and 1,000. If the denominator of a fraction has a power of 10, you can use place value to write the fraction as a decimal. . Write Fractions as Decimals.  . 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.  . 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.