This resource is from Tools4NCTeachers. In this lesson, students develop strategies for adding 3-digit numbers, with a focus on adding in chunks.  Students build this strategy of adding in chunks by mentally adding 10 and 100 to numbers, and adding on the number line. Remix this lesson to include extension activities such as math stations.

This resource is part of Tools4NCTeachers.

In this lesson, students explore approaches for adding three two-digit numbers.

This resource is part of Tools4NCTeachers.

In this lesson students use the open number line and various strategies to solve addition story problems.

This resource is from Tools4NCTeachers.A Common Formative Assessment (CFA) provides a snapshot of current student understanding. It serves as a checkpoint, and may be used to guide future whole and small group instruction. This CFA addresses 2nd grade, Cluster 5 standards.

The Family Letters are intended to be sent home at the beginning and middle of the cluster. They explain big ideas of the cluster using family-friendly language. Families can also find tips for working with their children at home, digital games, videos, and books. This file contains both English and Spanish versions of the Family Letters.

This resource is from Tools4NCTeachers.Math games are fun, motivating, and provide opportunities for students to build number concepts, reasoning, and fluency. These games may be used as math stations or as whole group learning opportunities. This file contains directions and materials for Cluster 5 math games

The intended purpose of this document is to provide teachers with a tool to determine student understanding and suggest instructional moves that may help guide a student forward in their learning. It is not an exhaustive list of strategies.

This resource is from Tools4NCTeachers.This routine described a great daily routine for developing choral counting and skip counting skills. 

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In this lesson students participate in activities focused on counting objects by tens.

In this lesson students participate in activities focused on counting objects by tens. Lesson includes list of supplementary activities, which may be used as math centers.

This resource is from Tools4NCTeachers. This file contains a set of 6 tasks (including scoring rubric and student recording sheet).  The tasks may be used for instruction or assessment. Remix this resource to include student work samples or addtional tasks.

This resource is part of Tools4NCTeachers.

In this lesson students apply place value understanding to play a game and explore problem situations involving two-digit numbers. They work in place value centers playing games and solving problems.

This resource is from Tools4NCTeachers.In this lesson, students explore 700-799 by drawing cards and placing them correctly on a hundreds “sheet” labeled with only the numbers 700 and 799. 

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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 part of Tools4NCTeachers.

In this lesson students use the open number line and various strategies to solve story problems.