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  • MCCRS.Math.Content.2.NBT.B.8 - Mentally add 10 or 100 to a given number 100-900, and mentally subtrac...
  • MCCRS.Math.Content.2.NBT.B.8 - Mentally add 10 or 100 to a given number 100-900, and mentally subtrac...
Choral Counting III
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This task was designed to support students in developing the concept of ten more and ten less, moving from concrete representation to understanding of the unit of ten within ten more and ten less. Students will also understand the value of ten(s) within any number as they mentally add or subtract 10 from a given number 100-900.

Subject:
Mathematics
Material Type:
Activity/Lab
Author:
Illustrative Mathematics
Date Added:
01/10/2023
Exploring Place Value -- Race the Clock!
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Students will explore the concepts of place value using their bodies as tools. They will time themselves performing various kinesthetic tasks like jumping jacks and sit ups and use the numbers that they record from these activities in their exploration. Working in groups, they will practice adding and subtracting and comparing numbers. They will also come up with creative ways to represent numbers using the properties of operation and the rules of place value.

Subject:
Mathematics
Material Type:
Activity/Lab
Teaching/Learning Strategy
Date Added:
09/26/2012
Grade 2 Module 4:  Addition and Subtraction Within 200 with Word Problems to 100
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In Module 4, students develop place value strategies to fluently add and subtract within 100; they represent and solve one- and two-step word problems of varying types within 100; and they develop conceptual understanding of addition and subtraction of multi-digit numbers within 200.  Using a concrete to pictorial to abstract approach, students use manipulatives and math drawings to develop an understanding of the composition and decomposition of units, and they relate these representations to the standard algorithm for addition and subtraction.

Find the rest of the EngageNY Mathematics resources at https://archive.org/details/engageny-mathematics.

Subject:
Mathematics
Numbers and Operations
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
Date Added:
07/05/2013
Grade 2 Module 5: Addition and Subtraction Within 1,000 with Word Problems to 100
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In Module 4, students developed addition and subtraction fluency within 100 and began developing conceptual understanding of the standard algorithm via place value strategies. In Module 5, students build upon their mastery of renaming place value units and extend their work with conceptual understanding of the addition and subtraction algorithms to numbers within 1,000, always with the option of modeling with materials or drawings. Throughout the module, students continue to focus on strengthening and deepening conceptual understanding and fluency.

Find the rest of the EngageNY Mathematics resources at https://archive.org/details/engageny-mathematics.

Subject:
Mathematics
Numbers and Operations
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
Date Added:
10/28/2013
Módulo de grado 2 4: adición y resta en 200 con problemas de palabras a 100
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(Nota: Esta es una traducción de un recurso educativo abierto creado por el Departamento de Educación del Estado de Nueva York (NYSED) como parte del proyecto "EngageNY" en 2013. Aunque el recurso real fue traducido por personas, la siguiente descripción se tradujo del inglés original usando Google Translate para ayudar a los usuarios potenciales a decidir si se adapta a sus necesidades y puede contener errores gramaticales o lingüísticos. La descripción original en inglés también se proporciona a continuación.)

En el módulo 4, los estudiantes desarrollan estrategias de valor en el lugar para sumar y restar con fluidez dentro de los 100; Representan y resuelven problemas de palabras de una y dos pasos de tipos variables dentro de 100; y desarrollan la comprensión conceptual de la adición y la resta de los números de múltiples dígitos dentro de 200. Utilizando un enfoque concreto a pictórico a abstracto, los estudiantes usan manipulaciones y dibujos matemáticos para desarrollar una comprensión de la composición y descomposición de unidades, y relacionan estas representaciones con El algoritmo estándar para suma y resta.

Encuentre el resto de los recursos matemáticos de Engageny en https://archive.org/details/engageny-mathematics.

English Description:
In Module 4, students develop place value strategies to fluently add and subtract within 100; they represent and solve one- and two-step word problems of varying types within 100; and they develop conceptual understanding of addition and subtraction of multi-digit numbers within 200.  Using a concrete to pictorial to abstract approach, students use manipulatives and math drawings to develop an understanding of the composition and decomposition of units, and they relate these representations to the standard algorithm for addition and subtraction.

Find the rest of the EngageNY Mathematics resources at https://archive.org/details/engageny-mathematics.

Subject:
Mathematics
Numbers and Operations
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
Date Added:
07/05/2013
Módulo de grado 2 5: adición y resta en 1,000 con problemas de palabras a 100
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

(Nota: Esta es una traducción de un recurso educativo abierto creado por el Departamento de Educación del Estado de Nueva York (NYSED) como parte del proyecto "EngageNY" en 2013. Aunque el recurso real fue traducido por personas, la siguiente descripción se tradujo del inglés original usando Google Translate para ayudar a los usuarios potenciales a decidir si se adapta a sus necesidades y puede contener errores gramaticales o lingüísticos. La descripción original en inglés también se proporciona a continuación.)

En el módulo 4, los estudiantes desarrollaron fluidez de adición y sustracción dentro de 100 y comenzaron a desarrollar la comprensión conceptual del algoritmo estándar a través de estrategias de valor en el lugar. En el Módulo 5, los estudiantes se basan en su dominio de cambiar el nombre de las unidades de valor del lugar y extender su trabajo con la comprensión conceptual de los algoritmos de adición y sustracción a números dentro de 1,000, siempre con la opción de modelar con materiales o dibujos. A lo largo del módulo, los estudiantes continúan enfocándose en fortalecer y profundizar la comprensión conceptual y la fluidez.

Encuentre el resto de los recursos matemáticos de Engageny en https://archive.org/details/engageny-mathematics.

English Description:
In Module 4, students developed addition and subtraction fluency within 100 and began developing conceptual understanding of the standard algorithm via place value strategies. In Module 5, students build upon their mastery of renaming place value units and extend their work with conceptual understanding of the addition and subtraction algorithms to numbers within 1,000, always with the option of modeling with materials or drawings. Throughout the module, students continue to focus on strengthening and deepening conceptual understanding and fluency.

Find the rest of the EngageNY Mathematics resources at https://archive.org/details/engageny-mathematics.

Subject:
Mathematics
Numbers and Operations
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
Date Added:
10/28/2013
OREGON MATH STANDARDS (2021): [2.NBT]
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The intent of clarifying statements is to provide additional guidance for educators to communicate the intent of the standard to support the future development of curricular resources and assessments aligned to the 2021 math standards.  Clarifying statements can be in the form of succinct sentences or paragraphs that attend to one of four types of clarifications: (1) Student Experiences; (2) Examples; (3) Boundaries; and (4) Connection to Math Practices.

Subject:
Mathematics
Material Type:
Teaching/Learning Strategy
Author:
Mark Freed
Date Added:
07/06/2023
استكشاف القيمة المنزلية – سباق مع الساعة!
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سيستكشف الطلاب مفاهيم القيمة المنزلية باستخدام أجسامهم كأدوات. سيقومون ببعض المهمات الحركية الموقوتة كالقفز وضغط البطن وسيستخدمون الأعداد التي سجلوها من تلك النشاطات في استكشافهم. وأثناء عملهم في مجموعات سيتمرنون على جمع الأعداد وطرحها ومقارنتها. كذلك سيبتكرون طرقًا خلاقة لتمثيل الأعداد مستخدمين خصائص العمليات الحسابية وقواعد القيمة المنزلية.

Subject:
Mathematics
Material Type:
Activity/Lab
Teaching/Learning Strategy
Date Added:
02/01/2014