A Parent s Guide to Third Grade Mathematics

Transcription

1 A Parent s Guide to Third Grade Mathematics

2 Dear Parents, This guide is intended to better acquaint you with the Common Core Learning Standards for 3rd Grade Mathematics. It has been compiled from several different sources. Included in this guide you will find: an overview of the Common Core Learning Standards for 3 rd grade a glossary that explains many of the newer terms to which students are being exposed information from "A Parent's Backpack Guide to the Common Core" (from EngageNY.org) information from "Parent Roadmap: Supporting Your Child in Grade 3 Mathematics," information on how you can help including ThinkCentral, i-ready diagnostic and instruction, helping with homework and helpful websites to use at home We will continue to update and revise these guides as we continue along our journey in the implementation of the common core. If you have any suggestions for things to include in this guide, please send an to wmcquay@bhbl.org. I hope you find this guide helpful. Thank you! The BHBL Mathematics Committee

3 Table of Contents 3rd Grade Common Core Learning Standards..... p. 2-3 Parent's Backpack Guide to the Common Core State Standards for Mathematics... p. 3 Parent Roadmap: Supporting Your Child in Grade 3 Mathematics: Place Value.p. 4 Parent Roadmap: Supporting Your Child in Grade 3 Mathematics: Fractions p. 5 Partnering with your Child s Teacher.p. 5 How Can Parents Help Resources to Use at Home p rd Grade Glossary......p Websites for Third Graders and Parents p. 16 Resources Used p. 16 The way we taught students in the past simply does not prepare them for the higher demands of college and careers today and in the future. Your school and schools throughout the country are working to improve teaching and learning to ensure that all children will graduate high school with the skills they need to be successful. In mathematics, this means three major changes. Teachers will concentrate on teaching a more focused set of major math concepts and skills. This will allow students time to master important ideas and skills in a more organized way throughout the year and from one grade to the next. It will also call for teachers to use rich and challenging math content and to engage students in solving real-world problems in order to inspire greater interest in mathematics. Taken from Parent Roadmap: Supporting Your Child in Grade Three Mathematics Page 1

4 An Overview of 3rd Grade Math In Grade 3, instructional time should focus on four critical areas: (1) developing understanding of multiplication and division and strategies for multiplication and division within 100; (2) developing understanding of fractions, especially unit fractions (fractions with numerator 1); (3) developing understanding of the structure of rectangular arrays and of area; and (4) describing and analyzing two-dimensional shapes. Mathematical Practices These eight practices are the goals of all math education, K Make sense of problems and persevere in solving them. 2. Reason abstractly and quantitatively. 3. Construct viable arguments and critique the reasoning of others. 1. Students develop an understanding of the meanings of 4. Model with mathematics. multiplication and division of whole numbers through activities and problems involving equal-sized groups, arrays, 5. Use appropriate tools strategically. and area models; multiplication is finding an unknown 6. Attend to precision. product, and division is finding an unknown factor in these 7. Look for and make use of structure. situations. For equal-sized group situations, division can 8. Look for and express regularity in require finding the unknown number of groups or the unknown group size. Students use properties of operations repeated reasoning. to calculate products of whole numbers, using increasingly sophisticated strategies based on these properties to solve multiplication and division problems involving single-digit factors. By comparing a variety of solution strategies, students learn the relationship between multiplication and division. 2. Students develop an understanding of fractions, beginning with unit fractions. Students view fractions in general as being built out of unit fractions, and they use fractions along with visual fraction models to represent parts of a whole. Students understand that the size of a fractional part is relative to the size of the whole. For example, 1/2 of the paint in a small bucket could be less paint than 1/3 of the paint in a larger bucket, but 1/3 of a ribbon is longer than 1/5 of the same ribbon because when the ribbon is divided into 3 equal parts, the parts are longer than when the ribbon is divided into 5 equal parts. Students are able to use fractions to represent numbers equal to, less than, and greater than one. They solve problems that involve comparing fractions by using visual fraction models and strategies based on noticing equal numerators or denominators. 3. Students recognize area as an attribute of two-dimensional regions. They measure the area of a shape by finding the total number of same-size units of area required to cover the shape without gaps or overlaps, a square with sides of unit length being the standard unit for measuring area. Students understand that rectangular arrays can be decomposed into identical rows or into identical columns. By decomposing rectangles into rectangular arrays of squares, students connect area to multiplication, and justify using multiplication to determine the area of a rectangle. 4. Students describe, analyze, and compare properties of two-dimensional shapes. They compare and classify shapes by their sides and angles, and connect these with definitions of shapes. Students also relate their fraction work to geometry by expressing the area of part of a shape as a unit fraction of the whole. Page 2

5 Big Ideas in Grade 3 Operations and Algebraic Thinking Represent and solve problems involving multiplication and division. Understand properties of multiplication and the relationship between multiplication and division. Multiply and divide within 100. Solve problems involving the four operations, and identify and explain patterns in arithmetic. Number and Operations in Base Ten Use place value understanding and properties of operations to perform multi-digit arithmetic. Number and Operations Fractions Develop understanding of fractions as numbers. Measurement and Data Solve problems involving measurement and estimation of intervals of time, liquid volumes, and masses of objects. Represent and interpret data. Geometric measurement: understand concepts of area and relate area to multiplication and to addition. Geometric measurement: recognize perimeter as an attribute of plane figures and distinguish between linear and area measures. Geometry Reason with shapes and their attributes. What is Changing in Mathematics Education The information below was taken from the "Parent's Backpack Guide to Common Core State Standards" found on engageny.org. Page 3

6 How 3rd Grade "Fits" in the Progression (taken from Parent Roadmap: Supporting Your Child in Grade Three Mathematics) In grade three, students will continue to build their concept of numbers, developing an understanding of fractions as numbers. They will learn the concepts behind multiplication and division and apply problem-solving skills and strategies for multiplying and dividing numbers up through 100 to solve word problems. Students will also make connections between the concept of the area of a rectangle and multiplication and addition of whole numbers. Page 4

7 Partnering with your Child's Teacher (taken from Parent Roadmap) Don't be afraid to reach out to your child's teacher you are an important part of your child's education. Ask to see a sample of your child's work or bring a sample with you. Ask the teacher questions like: Is my child at the level where he/she should be at this point of the school year? Where is my child excelling? How can I support this success? What do you think is giving my child the most trouble? How can I help my child improve in this area? What can I do to help my child with upcoming work? Page 5

8 How Can Parents Help Resources To Use At Home 1. Connecting With Go Math and ThinkCentral.com Go Math is both fast- moving and challenging. Your child is most likely working harder than ever before to be successful in math and to fully understand the concepts. It is essential that your child practices new skills on a daily basis (homework) and continually reviews skills previously taught. When your child needs help with a concept, a good place to start is to look at the first two pages of the day s lesson in the student textbook (the lesson number corresponds with the lesson number on their homework pages). These first two pages will walk your child through the lesson and will show them what skills are expected to be learned during that lesson. I would like to make you aware of some valuable resources that are available for your use through thinkcentral.com - the online component of our Go Math program. I know many of you are using the online version of the textbook (Student Edition) to help your child further his or her understanding. However, there are additional resources that you will find on thinkcentral.com that can be very helpful to your child and offer opportunities for further practice and review of new concepts as well as those learned previously. I hope you will encourage your child to use the resources on this website. To access your account follow these steps: 1). Go to 2). Click on the yellow "Mathematics" tab on the left 3).Click on the GoMath" icon (third from the left in the top row) 4). Select the state, district, and school form the drop-down menus. Then enter your: username and password 5). Click on "My Library" to access several resources, including: GO Math! Student Edition (online version of textbook with audio reinforcement) GO Math! Standards Practice Book (corresponds with the Student Edition lessons and is often used for homework pages can be printed from here) Mega Math (provides additional lesson practice with engaging game-based activities that include audio and animation) GoMath! Multimedia eglossary k-6 (mathematical concepts are defined using audio, graphics, and animation) GoMath! Real World Videos (engaging videos that show math in real-world situations) Math Concept Readers (online texts that support math concepts) Note: May vary depending on the teacher Page 6

9 Student Edition: To access the student edition, click Flash ebook From the online Student Edition, you can search for specific lessons. The lesson number in the Student Edition matches the lesson number in the Practice Book (homework book). From the lesson page, you can find links to several resources that can help support your child develop conceptual understanding of the skills presented. Enter lesson # in search box to find a particular lesson. You can also use the Table of Contents. Destination Math Additional opportunities for practice of new skills, presented in an engaging way. These activities are a bit more challenging and should be used if your child seems to understand the new concept. Animated Math Models Concepts are modeled and reinforced with audio and animation. Feedback is provided and there is opportunity for students to complete additional practice and take a quiz. Great tutorials!! itools Intermediate Use these interactive virtual manipulatives to enhance conceptual understanding. Click on the speaker icon to have the text read to your child. Page 7

10 2. Connecting With i- Ready Additional Practice to Reinforce What s Learned in Class. i- Ready is an on- line tool that kids love. It gives teachers valuable information about your child s math ability and fun, interactive practice for students to reinforce math skills. All your child needs is Internet access and their username and password provided by your child s teacher. Students will be using i- ready in school in addition to their work at home. See below for more information.

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13 3. Helping your child with Homework In helping children learn, one goal is to assist children in figuring out as much as they can for themselves (constructing meaning). You can help by asking questions that guide, without telling what to do. Good questions and good listening will help children make sense of mathematics, build self- confidence, and encourage mathematical thinking and communication. A good question opens up a problem and supports different ways of thinking about it. Here are some questions you might try; notice that none of them can be answered with a simple "yes" or "no." Getting Started What do you need to find out? What do you need to know? How can you get that information? Where can you begin? What terms do you understand or not understand? Have you solved similar problems that would help? What similar examples can you find in your student textbook? While Working How can you organize the information? Can you make a drawing (model) to explain your thinking? Are there other possibilities? What would happen if.? Can you describe an approach (strategy) you can use to solve this? What do you need to do next? Do you see any patterns or relationships that will help solve this? How does this relate to..? Can you make a prediction? What did you..? What assumptions are you making? Reflecting about the solution How do you know your solution (conclusion) is reasonable? How did you arrive at your answer? How can you convince me your answer makes sense? What did you try that did not work? Has the question been answered? Can your explanation be made clearer? Responding (helping your children clarify and extend their thinking) Tell me more about this. Can you explain it in a different way? Is there another possibility or strategy that would work? Help me understand this part... Page 11

14 4. Helping Your Child Learn Basic Math Facts Educational research clearly demonstrates that fluency with basic math facts is essential for success in mathematics instruction. The experts agree that the ability to recall basic math facts fluently is necessary for students to attain higher-order math skills. If this fluent retrieval does not develop, then the development of higher-order mathematics skills - such as multiple-digit addition and subtraction, long division, and fractions - may be severely impaired. If a student constantly has to compute the answers to basic facts, less of that student s thinking capacity can be devoted to higher-level concepts than a student who can effortlessly recall the answers to basic facts. (Whitehurst, 2003) The following websites provide opportunities for improving fluency in basic facts. Some of these sites utilize game format, which can be motivating for many students. Please encourage your child to engage in deliberate, regular fact practice. This can include online activities, use of flashcards and even practicing fact recall during car trips and daily activities! Page 12

15 Glossary for 3rd Grade Math Page 13

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18 Websites for 3rd Graders Websites for Parents illuminations.nctm.org Resources Used in this Publication Resources used in this Publication West Genesee CSD publication A Parents Guide to Third Grade Mathematics EngageNY, New York State Education Department, Common Core Learning Standards for Mathematics, K-12 Parent Roadmap: Supporting Your Child in Grade Three Mathematics, Council of the Great City Schools, Washington, D.C.; Page 16

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