The Number Line in the Common Core

CONTENTS OF CURRICULUM UNIT 16.05.02

  1. Unit Guide
  1. Introduction
  2. Getting Started Right is Important
  3. Linear Measurement
  4. The Number Line
  5. Mathematical Practices
  6. Teaching Strategies
  7. Classroom Activities
  8. Resources
  9. Endnotes
  10. Appendix - Implementing District Standards

Using the Number Line in Second Grade

Carol P. Boynton

Published September 2016

Tools for this Unit:

Teaching Strategies

The approaches for this curriculum unit vary to reflect the learning styles of all students.

The general format is based on the workshop model. The concepts and skills are taught through a series of mini-lessons focused on the objective with the following methods used throughout:

Experiential Learning:  Young students should to begin with hands-on learning. During the concrete models phase, students work with manipulatives, they discover and practice decomposing numbers, comparing lengths, and connecting rods to the number line.  This open learning allows students to see the changes and connections that are happening. This type of learning is an important first step.

Differentiated Instruction: Lessons and activities will be designed to maximize learning. The students will use a variety of approaches, working sometimes individually and sometimes in small groups, determined by the complexity of the work and level of understanding. Some students will move more quickly as they master skills and some will need more opportunities for practice.

Cooperative Learning: The students will be given opportunities to work as cooperative groups to use the number line as the tool to show addition and subtraction as distance. This strategy will allow students to work collaboratively taking on various roles necessary to complete the work, with a focus on success for all. This strategy helps students support each other as learners.

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