PPT-Les fractions Mathématiques –

Numération Lire une fraction 4 6 Souvenonsnous grâce à un exemple Quand on partage une unité en parts égales et quon en utilise certaines en les coloriant par exemple cela donne une. Raising and Reducing. Pizza. Pizza. 3/4. 6/8. 9/12. Multiply by 1. 5 x 1 =. 235 x 1 =. 2/3 x 1 =. a x 1 =. 5. 235. 2/3. a. What is 1?. . Rasing Fractions. . . . Rasing Fractions. A man walks into the pizza store and orders a medium pizza.. 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. 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”?. What are Fractions?. Fractions are . pieces . of whole numbers.. Whole numbers are numbers: 0, 1, 2, 3, and so on.. Creating Fractions. Parts of a Fraction. A fraction has two parts. . 1. 2. Creating Fractions. 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. . Tomoko Keilholtz. Jessica . Lunerdelli. . Amber Player. Clair . williams. https://www.youtube.com/watch?v=6ooKWyPI0i4. 2.G.A.2 . 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. Fractions Domain (3-5). Solve this problem on your own.. 2. Share Solutions. Think/Pair/Share. Share your solution with your neighbor.. Justify why your solution works.. Can you solve the problem in a different way?. “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.. Introduction. In this chapter you will learn to add fractions with different denominators (a recap). You will learn to work backwards and split an algebraic fraction into components called ‘Partial Fractions’. 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.. 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. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. Sept.. Oct.. Nov.. Déc.. CE1. / Lire, écrire et décomposer les nombres à 2 chiffres. CE2 / Lire, écrire et décomposer les nombres à 3 chiffres. Comparer, ranger et encadrer les nombres.