This resource is from Tools4NCTeachers. This file contains a set of 27 tasks (including scoring rubric, recording sheet, printable materials, and student work samples).  The tasks may be used for instruction or assessment.This is Part 1 of 2.  Part 2 also contains tasks related to probelm solving.

This resource is from Tools4NCTeachers. This file contains a set of 26 tasks (including scoring rubric, recording sheet, printable materials, and student work samples).  The tasks may be used for instruction or assessment.This is Part 2 of 2.  Part 1 also contains tasks related to probelm solving.

This resource is from Tools4NCTeachers.This set of 5 files contains practice word problems, each fille focusing on a different problem type:Add to, start unknownTake from, start unknownCompare, larger unknownCompare, smaller unknownTwo-step word problemsThe word problems are organized in tabes for easy cutting.  Problems may be used as a class warm-up or during math stations.Remix this item to add additional problems :)

This resource is from Tools4NCTeachers.In this lesson, students will develop strategies to fluently add and subtract within 5. Further, students will apply their understanding of how smaller sets make bigger sets to solve a take apart problem.Remix this lesson to include extension ideas and accompanying math centers

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Students are asked to solve a real world problem, show their work using pictures, numbers or words, and record a matching equation. A scoring rubric is included. The task may be used for instructional or assessment purposes.

This resource is from Tools4NCTeachers.In this lesson, students represent and interpret three categories of data in charts and tables.  They analyze the data to answer compare questions about how many more are in one category than another.  The lesson may be modified to integrate or emphasize questions about how many fewer.  Samples of student work and student recording sheets are included.Remix this lesson to include extension activites or related math stations.  Sharing is caring!

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This file contains strategies and representations for subtraction problems within 20. The images in this file help teachers better understand ways to record strategies on the board and/or anchor charts.

This resource is from Tools4NCTeachers.This resource contains a set of tasks which may be used for instructional or formative assessment purposes.  There are 17 tasks, each on a separate, printable, student work page. Page 1 contains a scoring rubric which may be used for scoring any of the tasks.  Page 2 contains sample student work to support scoring. Remix this resource to include your own student work samples!

This resource is from Tools4NCTeachers.This lesson calls for students to organize a group of objects into ten ones and some extra ones. They will develop an understanding of how ten ones and some extra ones can be combined to make a total. Students will count on from ten to determine how many there are all together in a group.  

This resource is part of Tools4NCTeachers.

Students are asked to solve a real world problem, show their work using pictures, numbers or words, and record a matching equation. The task may be used for instructional or assessment purposes.

This resource is part of Tools4NCTeachers.

Students are asked to solve a real world problem, show their work using pictures, numbers or words, and record a matching equation. A scoring rubric is included. The task may be used for instructional or assessment purposes.

This resource is from Tools4NCTeachers.In this lesson, students explore making and breaking cube trains.  Based on the part of the cube train that is shown, the group races to guess the hidden part to develop the concepts of adding and subtracting within 20. 

This resource is from Tools4NCTeachers.In this lesson, students will unpack and solve multi-step word problems.  An answer key, student materials, and exit tickets are provided.Remix this lesson to include additional word problems 

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In this lesson students use place value strategies to solve story problems related to addition, subtraction, and place value.

This resource is part of Tools4NCTeachers.

In this lesson students use place value strategies to solve story problems related to addition, subtraction, and place value.

This resource is from Tools4NCTeachers. This file contains a set of 4 tasks (including scoring rubric and student recording sheet).  The tasks may be used for instruction or assessment.  Each focuses on solving a problem with an unknown addend.  Remix this resource to include student work samples or addtional tasks.

In this lesson, students will represent and solve a subtraction problem using a variety of representations and methods.  This lesson engages students through real-life, exciting pictures of children.

This resource is from Tools4NCTeachers.In second grade, students learn to add and subtraction using strategies based on place value and number relationships.  They use a variety of representations such as base ten drawings and number lines.  Second graders do not learn the standard algorithm.  This resource outlines second grade addition and subtraction strategies 

This resoruce is from Tools4NCTeachers.Second graders use a variety of strategies based on place value and number relationships to add and subtract multi-digit numbers.  The first attachment in this resource outlines strategies for adding 3-digit numbers, and the second attachment outlines strategies for subtracting 3-digit numbers.Second graders are not taught the standard algorithm. 

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In this lesson, students begin to move beyond counting as a strategy for solving addition and subtraction problems. They will use what they know about numbers and relationships between numbers to add and subtract with other strategies. Students will start to see connections between strategies to help them transition their thinking.