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 from Tools4NCTeachers.In this lesson, students use the hundred board as a tool to complete activities with two-digit numbers. This file includes the lesson plan, printable activities, student recording sheets, and exit tickets.Remix this lesson to add extension activities.

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 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.