Perimeter, Area, Volume, and All That: A Study of Measurement

CONTENTS OF CURRICULUM UNIT 19.05.04

  1. Unit Guide
  1. Introduction
  2. Demographics
  3. Background
  4. Connection to Multiplication Fluency
  5. Classroom Activities
  6. Teaching Strategies
  7. Problem Solving Process
  8. Understanding the Problem using a KWCSRS
  9. Appendix A
  10. Resources
  11. Endnotes

Exploring Perimeter and Area with Third Graders

Kathleen Geri Gormley

Published September 2019

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Demographics

The Red Clay Consolidated School District is the largest school district in Delaware and it is located in Northern New Castle County. The district has a combination of schools situated in both urban and suburban settings. The district is comprised of 29 schools servicing approximately 17,000 students About half are White, slightly over a quarter are African American, with the other quarter being mostly Hispanic, along with 4% Asian. The needs of the students are varied, with almost 15% receiving Special Education services, and 10% receiving English Language support. Additionally, more than 2 students out of 5 are classified as coming from Low Socio-Economic households. There are over 1000 teachers supporting the students in the district.

I am a third-grade teacher at Highlands Elementary in the Red Clay Consolidated School District. My school is an urban school located in Delaware’s largest city, Wilmington. We are one of the smallest schools in the district with an average enrollment of just over 300 students in Kindergarten through Fifth grade. About 1 in every 6 of our students is white, with the other 5 out of 6 belonging to minority groups. Over 87% of our families are classified as coming from low socio-economic households. Most years, I am the principal educator of 20 - 24 students. The number of students that have IEP’s, 504’s, and ELL classifications varies each year, and I consistently differentiate my instruction and work collaboratively with specialists to meet all students’ needs.

Currently my school uses the Math Expressions program for our math instruction. The most recent 2018 version has just been adopted by the district.

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