This resource is part of Tools4NCTeachers.

In this lesson, students are introduced to the beaded number line as a tool to help them solve addition and subtraction problems within 20. This lesson is in two parts and may be taught over more than one day.

This resource is part of Tools4NCTeachers.

This performance based assessment should be conducted one on one. Students are asked to count sets of objects and represent the quantity with a written numeral.

Task may be used for instructional or assessment purposes.

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.  Each focuses on problem solving involving the addition of 3 whole numbers within 20. Remix this resource to include student work samples or addtional tasks.