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Glendale Unified School District Math Curriculum Grade 2 Parent Information Unit 1: Foundations of Addition, Subtraction, and Measurement What Your Child Will Learn Unit 1 sets the foundation for students to master sums (addition) and differences (subtraction) to 20. Students will apply these skills to fluently add and subtract within 100 using place value strategies, properties of addition and subtraction, and the relationship between addition and subtraction. Students will use decomposition and composition skills. Applying these addition and subtraction skills will allow students to solve word problems. Students will also build the foundation for measurement through understanding different tools and units of measure. Through reasoning and making connections between tools, the objects being measured and the relationship of the unit to the measurement, students will gain a solid understanding about measurement. MORE SPECIFICALLY YOUR CHILD WILL LEARN: Add and subtract using place value strategies Use decomposing to add and subtract Decompose to make a 10 or compose make a 10, then use the 10 to add and subtract Solve one-step result unknown word problems Select appropriate tools to measure objects Understand that different units (e.g., inch and centimeter) have different sizes Know that there will be more units of a smaller unit (centimeter) than a larger unit (inch) when measuring objects. Estimate lengths UNIT 1 STANDARDS: 2.NBT.5, 2.OA.1, 2.MD.1, 2.MD.2, 2.MD.3 For more information on the strategies, standards and explanations, visit the California Framework at: http://www.cde.ca.gov/be/st/ss/documents/ccsmathstandardaug2013.pdf Counting on Making tens (9 + 7 = [9 + 1] + 6 = 10 + 6) Fluent Addition and Subtraction Strategies Decomposing a number leading to a ten (14 6 = 14 4 2 = 10 2 = 8) Related facts (8 + 5 = 13 and 13 8 = 5) Doubles (1 + 1, 2 + 2, 3 + 3, and so on) Doubles plus one (7 + 8 = 7 + 7 + 1) Relationship between addition and subtraction (e.g., by knowing that 8 + 4 = 12, one also knows that 12 8 = 4) Equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13) **Fluency in Grade 2 is an end of year standard. Strategies are introduced to help students make sense of numbers. They are not a set of procedures that all students will need to use. Students will work throughout the year to develop flexible and efficient strategies to add and subtract accurately.

Glendale Unified School District Math Curriculum Grade 2 Parent Information Unit 1: Foundations of Addition, Subtraction, and Measurement EXAMPLES OF STRATEGIES Decompose and Subtract From Ten 60 8 = 52 50 10 50 + 2 = 52 13 8 = 5 3 10 3 + 2 = 5 63 8 = 55 /\ 53 10 53 + 2 = 55 Activities at Home Skip count when counting groups of nickels and dimes. Count in a pattern while doing a rhythmic or repeated task stirring pancake batter, brushing hair, putting away groceries, walking. Roll two dice to make a two-digit number. Subtract it from 99 or 100. Represent two-digit numbers with popsicle sticks make bundles of tens and use single sticks for the ones. Roll dice to make two or three digit numbers with someone. See who can make the large number. Add all of the digits of your house number together. Use playing cards to make two, two-digit numbers and add or subtract them. Have your child estimate and then measure, in centimeters or inches, objects aournd the house. Math Apps for the ipad https://www.pinterest.com/mikefisher821/math-apps-for-the-ipad/ Math Fact Fluency Practice http://resources.oswego.org/games/mathmagician/cathymath.html http://www.fun4thebrain.com/addition/diaperadd.html Math Lessons http://www.adaptedmind.com/gradelist.php?grade=2 Ten pairs http://www.mathplayground.com/number_bonds_10.html Math Games http://www.mathscentre.co.nz/html/games.php 2 nd Grade Standards and Frameworks For more information on the strategies, standards and explanations, visit the California Framework at http://www.cde.ca.gov/ci/ma/cf/documents/mathfwgrade2.pdf To see an electronic copy of this parent letter, with clickable links, please go to the common core pages at http://www.gusd.net/. Follow the links to Mathematics, Grade 2. Scroll to the bottom of the page and click on Unit 1.

Glendale Unified School District Maj;matika\i ousoumnakan ragir 2-rd dasarani no[i t;[;kouj\oun Bavin 1^ Goumarman% fanman ca'man fimounqn;re Inc h sowor;lou ];r ;r;.an Jiw 1 bavnoum% a,ak;rte 20-i safmann;roum xargaznoum h goumarman (aw;lazn;l) ou fanman (tarb;rouj\oun) fimnakan git;liqn;re! A,ak;rte% kira ;low sou\n fmtouj\ounn;re% jw;re goumaroum ou fanoum h 100-i safmann;roum% øgtagor ;low jwa\in arv;qi strat;gian;r% goumarman ou fanman fatkani,;r goumarman ou fanman mi= fakadar];liouj\ounn;r! A,ak;rte kira oum h na jw;re masnat;lou ou miazn;lou fmtouj\ounn;r! Kira ;low goumarman ou fanman a\s fmtouj\ounn;re% a,ak;rte karo[anoum h lou ;l ba a\in.ndirn;re! A,ak;rte% faskanalow ca';lou tarb;r mi=ozn;rn ou miaworn;re% fmtanoum h na ca'man m;=! A,ak;rte ca'man masin liowin patk;razoum h kaxmoum% ;rb karo[anoum h patya aban;l ca'o[ gor iqn;ri% ca';li ir;ri miawori mi= farab;rouj\oune! }:R :R:>AN MASNAWORAP:S KSOWORI& Jw;re goumar;l ou fan;l^ kira ;low jwa\in arv;qi strat;gian;r! Jw;re masnat;low goumar;l ou fan;l! Jw;re masnat;l jiw 10 kaxm;lou kam miazn;l jiw 10 kaxm;lou apa 10-e øgtagor ;l goumarman fanman famar! Lou ;l m;k 'ouliz ba[kaza ba a\in anfa\t.ndirn;r! Entr;l ca'man famapatas.an gor iq^ ir;re ca';lou famar! Faskanal% or tarb;r miaworn;r (ørinak^ matnaca' santim;tr) tarb;r ca';r oun;n! Imanal% or ir;re ca';lis% 'oqr miaworn;re (santim;tr) aw;li,at ;n qan m; miaworn;re (matnaca')! Motawor fa,wark;l ;rkarouj\ounn;re! JIW 1 BAVNI CA"ORO<ICN:R^ 2.NBT.5, 2.OA.1, 2.MD.1, 2.MD.2, 2.MD.3 Strat;gian;ri% ca'oro,icn;ri ou bazatrouj\ounn;ri famar a\z;l;l Kali`ornia\i ca'oro,icn;ri ka\qh=e^ http://www.cde.ca.gov/be/st/ss/documents/ccsmathstandardaug2013.pdf Fa,wark;l Jw;re safoun goumar;lou ou fan;lou strat;gian;r Dar]n;l tasn\ak (9 + 7 = [9 + 1] + 6 = 10 + 6) Jiwe masnat;l fang;zn;low tasi (14 6 = 14 4 2 = 10 2 = 8) A ncwo[ tw\aln;r (8 + 5 = 13 and 13 8 = 5) Krknapatkoum (1 + 1, 2 + 2, 3 + 3, and so on) Krknapatkoum goumara m;k (7 + 8 = 7 + 7 + 1) Goumarman ou fanman fakadar];liouj\ounn;re (ørinak^ imanalow% or 8 + 4 = 12, m;kn hl giti% or 12 8 = 4) Famarv;q ba\z aw;li d\ourin kam fa\tni goumarn;re (ørinak^ 6 + 7 goumar;lis st;[ ;l famarv;q jw;r 6 + 6 + 1 = 12 + 1 = 13) **Safoun fa,warkoum h pafan=woum 2-rd dasarani tar;w;r=in! A,ak;rtin n;rka\azwoum h strat;gian;r% oronq karo[ ;n øgn;l nran faskanalou jw;ri imaste! Dranq mi,arq enjazakarg;r c;n% or bolor a,ak;rtn;re stipwa ;n øgtagor ;l! A,ak;rte% ambo[= tarwa enjazqoum xargaznoum h famapatas.an ou ard\ounaw;t strat;gian;r^ jw;re y,grtor;n goumar;lou fan;lou famar!

STRAT:GIAN:RI ØRINAKN:R Glendale Unified School District Maj;matika\i ousoumnakan ragir 2-rd dasarani no[i t;[;kouj\oun Bavin 1^ Goumarman% fanman ca'man fimounqn;re Masnat;l tasiz fan;l 60 8 = 52 50 10 50 + 2 = 52 13 8 = 5 3 10 3 + 2 = 5 63 8 = 55 /\ 53 10 53 + 2 = 55 Tan warvouj\ounn;r Fng\akn;row ou tasn\akn;row fa,w;l nik;l ou da\m m;ta[adramn;ri.mb;re! Fa=ordakanouj\amb fa,w;l ];r am;nør\a kam krknwo[ a,.atanqn;ri enjazqoum% ørinak^.more,a[a.;lou% max;re sanr;lou% out;liqn;re fawaq;lou% qa\l;lou vamanak! :rkou xa n;t;l^ ;rkni, jiw stanalou famar! A\d jiwe paks;zn;l 99-iz kam 100-iz! :rkni, jw;re n;rka\azn;l fa,w;]o[ikn;row tasn\ake n;rka\azn;l.mbow m;kakan jw;re n;rka\azn;l m;kakan fa,w;]o[ikn;row! :rkni, kam ; ani, jw;r stanalou famar xa e n;t;l or h m;ki f;t! T;s;q% j; ow h karo[ m; jiw kaxm;l! Goumar;l ];r tan famari bolor jwan,ann;re! >a[aqart;rn øgtagor ;l kaxm;lou ;rkou% ;rkani, jw;r dranq goumar;l kam fan;l! };r xawakiz oux;q% or motawor fa,warki tan ir;ri la\nqe ;rkarouj\oune% apa dranq ca'i santim;trow kam matnaca'ow! Math Apps for the ipad https://www.pinterest.com/mikefisher821/math-apps-for-the-ipad/ Math Fact Fluency Practice http://resources.oswego.org/games/mathmagician/cathymath.html http://www.fun4thebrain.com/addition/diaperadd.html Math Lessons http://www.adaptedmind.com/gradelist.php?grade=2 Ten pairs http://www.mathplayground.com/number_bonds_10.html Math Games http://www.mathscentre.co.nz/html/games.php 2-rd dasarann;ri ca'ani,;r Strat;gian;ri% ca'oro,icn;ri ou bazatrouj\ounn;ri famar a\z;l;l Kali`ornia\i ca'oro,icn;ri ka\qh=e^ http://www.cde.ca.gov/be/st/ss/documents/ccsmathstandardaug2013.pdf no[n;rin ou[[wa a\s namaki hl;ktrona\in paty;ne t;sn;lou famar%.ndrwoum h a\z;l;l http://www.gusd.net/ ka\qh=e gnal 2-rd dasarani maj;matika\i bavine ou h=i n;rq oum s;[m;l Unit 1-e!

글렌데일통합교육구 수학교과과정 2 학년학부모정보단원 1: 덧셈, 뺄셈및측정의기초 귀자녀는무엇을배울것인가단원 1 은 20 까지의합계 ( 덧셈 ) 및차이 ( 뺄셈 ) 을습득하기위한기초를세운다. 학생들은자리값방법, 덧셈과뺄셈의속성및덧셈과뺄셈사이의관계를사용하여 100 내에서덧셈과뺄셈의능숙성을위해이러한기량들을적용한다. 학생들은분해및구성기량들을사용할것이다. 이런덧셈및뺄셈기량을적용하여문장문제를풀도록학생들에게허용할것이다. 학생들은또한다른도구들과측정단위이해를통해측정을위한기반을구축할것이다. 추론하기및도구들사이의연결만들기, 측정되는물체들과측정단위의관계를통해학생들은측정에대한확실한이해를얻을것이다. 좀더구체적으로아동들은다음의것들을배울것이다 : 자리값방법을사용한덧셈및뺄셈 덧셈과뺄셈을위해분해를사용 10 을만들기위해분해하거나 10 을만들기위해구성한후에덧셈및뺄셈을위해 10 을사용한다 일단계결과를알지못하는문장문제풀기 물체를측정하기위해적절한도구선택하기 다른단위가 ( 예, 인치및센티미터 ) 다른크기를갖는것을이해한다 물체를측정할때큰단위 ( 인치 ) 보다작은단위 ( 센티미터 ) 의숫자가크다는것을안다. 길이를추정한다. 단원 1 표준들 : 2.NBT.5, 2.OA.1, 2.MD.1, 2.MD.2, 2.MD.3 방법, 표준및설명에관하더많은정보를위해, California Framework 을방문하기 : http://www.cde.ca.gov/be/st/ss/documents/ccsmathstandardaug2013.pdf 숫자세기 십을만들기 (9 + 7 = [9 + 1] + 6 = 10 + 6) 덧셈및뺄셈방법들의능숙성 십에이르도록숫자를분해 (14 6 = 14 4 2 = 10 2 = 8) 연관된연산 (8 + 5 = 13 및 13 8 = 5) 동등한수 (1 + 1, 2 + 2, 3 + 3 등등 ) 동등한수더하기하나 (7 + 8 = 7 + 7 + 1) 덧셈과뺄셈사이의관계 ( 예, 8 + 4 = 12 를알면, 12 8 = 4 이것또한안다 ) 동등한수를더쉽게더하기 ( 예, 6 + 7 더하는것을동등한수를더하는것으로만들어서 6 + 6 + 1 = 12 + 1 = 13) **2 학년에서능숙성은학년말표준이다. 방법들은학생들이숫자의의미를돕기위해도입된다. 방법들은모든학생이사용할필요가있는일련의절차가있지않다. 학생들은정확하게더하고빼기위해유연하고효율적인방법들을일년내내공부할것이다.

글렌데일통합교육구 수학교과과정 2 학년학부모정보단원 1: 덧셈, 뺄셈및측정의기초 방법의예들 10 을분해하고빼기 60 8 = 52 50 10 50 + 2 = 52 13 8 = 5 3 10 3 + 2 = 5 63 8 = 55 /\ 53 10 53 + 2 = 55 가정에서의활동 니클과다임그룹으로셀때건너뛰며센다. 리듬또는반복작업을하는동안패턴으로센다 펜케이크반죽젓기, 머리빗기, 식료품집어넣기, 걷기. 두자리숫자를만들기위해주사위를두번던진다. 99 또는 100 에서그숫자를뺀다. 아이스크림막대기로두자리숫자를나타낸다 묶음으로십의자리를만들고일의자리를위해하나의막대기를사용한다. 누군가와함께두자리또는세자리숫자를만들기위해주사위를던진다. 누가가장큰숫자를만드는지본다. 집주소의숫자를모두더한다. 두숫자를만들기위해카드놀이를사용하고두자리숫자를더하거나뺀다. 자녀가집주변의물체를추정하게하고그후에센티미터나인치로측정한다. Math Apps for the ipad https://www.pinterest.com/mikefisher821/math-apps-for-the-ipad/ Math Fact Fluency Practice http://resources.oswego.org/games/mathmagician/cathymath.html http://www.fun4thebrain.com/addition/diaperadd.html Math Lessons http://www.adaptedmind.com/gradelist.php?grade=2 Ten pairs http://www.mathplayground.com/number_bonds_10.html Math Games http://www.mathscentre.co.nz/html/games.php 2 nd Grade Standards and Frameworks For more information on the strategies, standards and explanations, visit the California Framework at http://www.cde.ca.gov/ci/ma/cf/documents/mathfwgrade2.pdf 본학부모서한의전자복사본을보기위해서 클릭이가능한 링크를따라, 커먼코어페이지 http://www.gusd.net/ 가십시오. Mathematics, Grade 2 링크를따라가셔서페이지를하단으로내리고 Unit 1 을클릭하십시오. Translated by: GUSD, Intercultural Department Professional Development Parent Letter, Grade 2 Unit 1 Korean 6/22/2016

Distrito Escolar Unificado de Glendale Plan de Estudios de Matemática 2.o - Grado Información para los padres Unidad 1: Cimientos de sumas, restas y mediciones Lo que su hijo aprenderá: La unidad 1 establece las bases para que los alumnos dominen las sumas (adición) y diferencias (resta) hasta 20. Los alumnos aplicarán estas habilidades para sumar y restar con fluidez hasta 100 usando las estrategias de valor posicional, las propiedades de la suma y la resta y la relación entre la suma y la sustracción. Los alumnos usarán sus habilidades en la descomposición y composición de números. La aplicación de estas habilidades de suma y resta les permitirá a los alumnos resolver problemas. También podrán sentar las bases de medición a través de la comprensión de las diferentes herramientas y unidades de medida. A través del razonamiento y al conectar las herramientas, los objetos que están siendo medidos y la relación de la unidad para la medición, los alumnos obtendrán un conocimiento sólido sobre la medición. MÁS ESPECÍFICAMENTE, SU HIJO APRENDERÁ CÓMO: Sumar y restar usando estrategias de valor posicional Utilizar la descomposición para sumar y restar Descomponer para hacer 10 o componer para hacer 10, luego, utilizar el 10 para sumar y restar Resolver problemas de resultados de palabras desconocidas de un solo paso Seleccionar las herramientas adecuadas para medir objetos Comprender que las diferentes unidades (por ejemplo, pulgadas y centímetros) tienen diferentes tamaños Entender que habrá más unidades de una unidad más pequeña (centímetros) que de una unidad más grande (pulgadas) en la medición de objetos. Estimar las longitudes NORMAS para la UNIDAD 1: 2.NBT.5, 2.OA.1, 2.MD.1, 2.MD.2, 2.MD.3 Para obtener más información sobre las estrategias, normas y explicaciones, visite el Marco de Referencia de California en: http://www.cde.ca.gov/be/st/ss/documents/ccsmathstandardaug2013.pdf Contar hacia adelante ESTRATEGIAS DE FLUIDEZ PARA LA SUMA Y LA RESTA Hacer 10 (9 + 7 = [9 + 1] + 6 = 10 + 6) Descomponer un número que lleve a un 10 (14 6 = 14 4 2 = 10 2 = 8) Operaciones relacionadas (8 + 5 = 13 y 13 8 = 5) Dobles (1 + 1, 2 + 2, 3 + 3, y así sucesivamente) Dobles más uno (7 + 8 = 7 + 7 + 1) Relación entre la suma y la resta (p. ej., al saber que 8 + 4 = 12, también sabemos que 12 8 = 4) sumas equivalentes pero más fácil o conocidas (p. ej., sumar 6 + 7 formando la equivalente conocida 6 + 6 + 1 = 12 + 1 = 13) ** La fluidez en el 2.o grado es un estándar de fin de año. Las estrategias se presentan para ayudar a los alumnos a encontrarle el sentido a los números. No son un conjunto de procedimientos que todos los alumnos van a necesitar usar. Los alumnos trabajarán durante todo el año para desarrollar estrategias flexibles y

eficientes para sumar y restar con precisión. Distrito Escolar Unificado de Glendale Plan de Estudios de Matemática 2.o - Grado Información para los padres Unidad 1: Cimientos de sumas, restas y mediciones EJEMPLOS DE ESTRATEGIAS Descomponer y restar de diez 60 8 = 52 50 10 50 + 2 = 52 13 8 = 5 3 10 3 + 2 = 5 63 8 = 55 53 10 53 + 2 = 55 Actividades en el hogar: Contar salteado al contar grupos de moneas de cinco y diez centavos. Contar con un patrón mientras se hace una tarea rítmica o repetida, como agitar la mezcla para hacer pasteles, cepillarse el pelo, el guardar las compras, caminar, etc. Tirar dos dados para formar un número de dos dígitos. Restarlo de 99 o 100. Representar números de dos dígitos con palitos de paleta hacer grupos de diez y usar los palitos individuales para las unidades. Tirar los dados para hacer dos o tres números de dos dígitos con alguien. Ve quién obtiene el total más alto. Sumar todos los números de tu casa juntos. Usar cartas de juego para hacer dos números de dos dígitos y súmalos o réstalos. Haga que su hijo calcule y luego mida, en centímetros o pulgadas, algunos objetos de la casa. Apps de matemáticas para el ipad https://www.pinterest.com/mikefisher821/math-apps-for-the-ipad/ Práctica de fluidez de operaciones básicas de matemáticas http://resources.oswego.org/games/mathmagician/cathymath.html http://www.fun4thebrain.com/addition/diaperadd.html Lecciones de Matemáticas http://www.adaptedmind.com/gradelist.php?grade=2 Diez pares http://www.mathplayground.com/number_bonds_10.html Juegos Matemáticos http://www.mathscentre.co.nz/html/games.php Normas y Marcos de Referencia 2 o Grado Para obtener más información sobre las estrategias, normas y explicaciones, visite el Marco de Referencia de California en http://www.cde.ca.gov/ci/ma/cf/documents/mathfwgrade2.pdf

Distrito Escolar Unificado de Glendale Plan de Estudios de Matemática 2.o - Grado Información para los padres Unidad 1: Cimientos de sumas, restas y mediciones Para ver una copia electrónica de esta carta a los padres, con los enlaces de "hacer clic", por favor vaya a la página de tronco común (Common Core) en http://www.gusd.net/. Siga los enlaces a Matemáticas, 2.o Grado. Vaya a la parte inferior de la página y haga clic en la Unidad 1.