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2.OA.A.1- Modeling Multi- Step Word Problems_Brooks' Wallet
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A mathematics task that involves a multi-step word problem related to addition and subtraction situations. Students are expected to model with mathematics as they complete the task. Task relates to standard 2.OA. A.1

Subject:
Education
Mathematics
Material Type:
Activity/Lab
Date Added:
07/24/2018
3.OA.D.8 Solving 2-Step Word Problems (Flawed Reasoning)_School Bake Sale
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CC BY-NC-SA
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This task has student solve a two step word problem involving addition and division. Students identify flawed reasoning and provide a correct answer and explanation.

Subject:
Education
Mathematics
Material Type:
Activity/Lab
Assessment
Homework/Assignment
Date Added:
07/29/2018
Activities to Develop Mental Fluency for Addition within 20
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CC BY
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This resource is part of the San Francisco Unified School District Math Core Curriculum for Grade 2. It includes numerous activities to help students build fluency for addition within 20.

Subject:
Mathematics
Material Type:
Activity/Lab
Author:
San Francisco Unified School District
Date Added:
03/05/2021
Add and Subtract Numbers to 100  - Word Problems
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CC BY-NC-SA
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This short video and interactive assessment activity is designed to teach second graders about mixed operations: addition and subtraction i - word problems.

Subject:
Mathematics
Numbers and Operations
Material Type:
Assessment
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
Date Added:
03/04/2015
Add and Subtract numbers to 20 - Word Problems
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This short video and interactive assessment activity is designed to teach second graders about adding and subtracting (numbers up to 20) - word problems.

Subject:
Mathematics
Numbers and Operations
Material Type:
Assessment
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
Date Added:
03/04/2015
Add and Subtract with Common Denominators Word Problems
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CC BY-NC-SA
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This short video and interactive assessment activity is designed to teach fourth graders about adding and subtracting fractions - word problems.

Subject:
Mathematics
Numbers and Operations
Material Type:
Assessment
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
Date Added:
03/05/2015
Adding Bugs -- Out Teach
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CC BY-NC-SA
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In this lesson, students will develop their fluency with addition and subtraction through a "real-world" application of collecting data about insects in the garden.

Subject:
Mathematics
Material Type:
Lesson Plan
Author:
Out Teach
Date Added:
07/22/2021
Adding Insects -- Out Teach
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In this lesson, students will develop their fluency with addition and subtraction through a real world application of collection data.

Subject:
Mathematics
Material Type:
Lesson Plan
Author:
Out Teach
Date Added:
07/22/2021
Adding Using Arrays -- Out Teach
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Students will use objects found in the outdoor classroom to create rectangular arrays and write equations to express the total. Standard(s): 2.NC.OA.4Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express

Subject:
Mathematics
Material Type:
Lesson Plan
Author:
Out Teach
Date Added:
07/22/2021
Adding and Subtracting Terms Numbers to 100
Conditional Remix & Share Permitted
CC BY-NC-SA
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This short video and interactive assessment activity is designed to teach fourth graders about adding and subtracting terms (numbers to 100).

Subject:
Mathematics
Numbers and Operations
Material Type:
Assessment
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
Date Added:
03/05/2015
Addition: Complete the Addition Sentence
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This short video and interactive assessment activity is designed to teach fourth graders about addition: completing the addition sentence.

Subject:
Mathematics
Numbers and Operations
Material Type:
Assessment
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
Date Added:
03/05/2015
Addition Patterns
Unrestricted Use
CC BY
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The purpose of this task is to study some patterns in a small addition table. Each pattern identified persists for a larger table and if more time is available for this activity students should be encouraged to explore these patterns in larger tables.

Subject:
Mathematics
Numbers and Operations
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
08/15/2012
Addition Using Numbers 1-10
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CC BY-NC
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Objectives: Students will be able to comprehend the steps necessary to solve addition problems in 3 different ways (logical, physical, visual).  Students will be completing a worksheet activity in groups of 4-5. Students should complete this assignment by the end of class. 

Subject:
Mathematics
Material Type:
Lesson Plan
Author:
Jacob Norris
Date Added:
09/04/2017