PPT-Fractions in Second Grade

Tomoko Keilholtz Jessica Lunerdelli Amber Player Clair williams httpswwwyoutubecomwatchv6ooKWyPI0i4 2GA2 Partition Rectangles Summary This standard begins the formal foundation of the idea of area development Since we measure area in square units it is natural to begin with rectangles and partition them into square regions so that we can easily count the total. with. Unlike Denominators. 15. 1. 15. 1. +. Adding Fractions with Unlike Denominators. 5. 1. 5. 1. 5. 1. 3. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. Percents. . Go Together…Like PB & J!. Charline. Brown. How do our kids view fractions?. Most students see parts-to-whole relationships only.. Explain the numerator as “number you have” and the denominator as “number you have in all”?. 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 . with. Unlike Denominators. 15. 1. 15. 1. +. Adding Fractions with Unlike Denominators. 5. 1. 5. 1. 5. 1. 3. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 15. 1. 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. . 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. 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.. For. example:. In this . lesson, . you . will learn how to identify equivalent fractions. . by . using a number line.. Fractions. 0. 1. Thinking fractions with different numerators and denominators are not equivalent. Made Easy!. My momma. says I should “change” my shirt before she “flips” her lid!. © . Mike’s Math Mall. Using…. CCSS 5NBT.B.7. keep. Change!. Flip!. Because with a little change to a division of fractions’ problem, you’ll be right back to multiplying!. Which is an equivalent fraction? .  . A. . B. . C. . D. .  . Which is an equivalent fraction? .  . A. . B. . C. . D. .  . Which is an equivalent fraction? .  . A. . B. . C. . D. .  . Elizabeth Blaesser/Maccani . Click here to continue.. Introduction. This project is designed for Mrs. Maccani’s 3. rd. grade class.. The purpose of this project is to understand the relationship between whole numbers, simple fractions, and decimals. Students will demonstrate their understanding of equivalency and problem solving related to fractions and decimals..