PDF-Understand and use fractions.

Halfw a y Betw een. (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. Introducing:. Common Denominator. The . common denominator. of 5 and 4 is 20 because both 5 and 4 divide evenly into 20. . Compare Fractions . 1. 12. 20. 15. 20. 3. 5. 3. 4. 3. 5. <. 3. 4. Here is the picture of . Fractions the same as a ½. . Look at the shapes below, they all have ½ shaded but the half could be written in different ways.. 1/2 . 2/4. 3/6. 4/8. Look at those fractions again!. . 1. . 2. . quarter. 1. 4. 1. 4. 1. 4. A quarter is a quarter of 1. A quarter is half of a half. Fractions and Decimals 3. quarter. 1. 4. 1. 4. 1. 4. A quarter is a quarter of 1. A quarter is half of a half. Fractions and Decimals 3. “You better cut the pizza in four pieces because I'm not hungry enough to eat six.“ – . Yogi Berra . Inspired by Greg Tang, NCTM Conference, 2012. When does instruction in fractional thinking begin?. 3. /21/17. How do we add and subtract fractions with like denominators?. How do we add and subtract fractions with unlike denominators?. How do we use models to add and subtract fractions?. Today We’ll Discuss. Aims. Look at how fractions, decimals and percentages are taught in school.. Identify why children find fractions, decimals and percentages difficult.. Identify ways in which you can help your child at home.. 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. Objective: . Learn to write fractions in simplest form. . Take a white paper and fold it in half.. Shade half of the paper. . How many sides are in total? How much is shaded? What is the fraction? ______________. our friends!. Now, let’s. n. ot get all crazy. with this “friend” stuff,. Mr. Sunshine.. © . Mike’s Math Mall. Multiplying. Made easy!. PowerPoint. Introduction. Multiplying Fractions. Hi! My. HALVES. THIRDS. FOURTHS. SIXTHS. EIGHTHS. TENTHS. . and write the corresponding fraction.. Teacher Notes:. Get your students to be the teacher and have them lead the discussion and explain the answer choices. So what’s new about fractions in Grades 6-8?. SOL 6.4 . The student will . demonstrate multiple representations . of multiplication and division of fractions. . 2. Thinking About Multiplication. 3. 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.