The Editor’s Cut of OER: A Field Guide for Academic Librarians is a collaborative project maintained by Jonathan Lashley. He will continue to update this living, Pressbooks-based version of the book to reflect the community feedback he collects via Twitter, Hypothes.is, and other means. Epub, PDF, and Print versions of the book are also available through Pacific University Press but may not reflect the updates included in this “cut” of the book.

What does 100 look like? Sound like? Feel like? In this video from Curious George, explore the many ways to measure 100 things. ***Access to Teacher's Domain content now requires free login to PBS Learning Media. ***Access to Teacher's Domain content now requires free login to PBS Learning Media.

In this lesson students will observe some objects that they see in the daytime sky and discuss reasonings to changes and movement of features in the day and night sky.

Students will use the outdoor space to generate opinions and facts about the space which they will use to write about how the space should be used.

Student groups work with manipulatives—pencils and trays—to maximize various quantities of a system. They work through three linear optimization problems, each with different constraints. After arriving at a solution, they construct mathematical arguments for why their solutions are the best ones before attempting to maximize a different quantity. To conclude, students think of real-world and engineering space optimization examples—a frequently encountered situation in which the limitation is the amount of space available. It is suggested that students conduct this activity before the associated lesson, Linear Programming, although either order is acceptable.

Students will observe, measure, sort, and examine (shapes and textures) of leaves individually, in groups, and in relationship to the entire plant.

This lesson allows students to build fluency with shapes by identifying them in in the outdoor classroom.

Using paper, paper clips and tape, student teams design flying/falling devices to stay in the air as long as possible and land as close as possible to a given target. Student teams use the steps of the engineering design process to guide them through the initial conception, evaluation, testing and re-design stages. The activity culminates with a classroom competition and scoring to evaluate how each team's design performed.

STUDENT ACTIVITY - 4th - TXThis is a distance-learning lesson students can complete at home. The student will use their knowledge of parallel and perpendicular lines to compare those that are man-made and others found in nature. This activity was created by Out Teach (out-teach.org), a nonprofit providing outdoor experiential learning to transform Science education for students in under-served communities.

En esta lección, explorarás diferentes plantas para estudiar sus partes. Esta actividad fue creada por Out Teach (out-teach.org), una organización sin fines de lucro que proporciona aprendizaje experiencial al aire libre, con el objetivo de transformar la educación de las ciencias para los estudiantes en comunidades más desatendidas.

Students apply several methods developed to identify and interpret patterns to the identification of fingerprints. They look at their classmates' fingerprints, snowflakes, and "spectral fingerprints" of elements. They learn to identify each image as unique, yet part of a group containing recognizable similarities.

In this lesson the students will use their knowledge of measurement to determine perimeter and find missing lengths when given the total perimeter.

In this lesson the students will use their knowledge of measurement to determine perimeter. Since this is a virtual lesson for at home learning, steps will be included for students to make an 8 inch paper ruler out of notebook paper.

STUDENT ACTIVITY - 5th - CCSSThis is a distance-learning lesson students can complete at home. Students will read the text on pest damage and use the outdoor space to verify or deny the content of the text in the real-world setting.This activity was created by Out Teach (out-teach.org), a nonprofit providing outdoor experiential learning to transform Science education for students in under-served communities.

In this lesson the students will create mixtures and note the physical properties of each of the ingredients within.

In this lesson students will use their knowledge of decimals to solve problems in a real- world setting.

STUDENT ACTIVITY - 4th - NCThis is a distance-learning lesson students can complete at home. The student will explore and record data about different plants that they observe. Then they will create a bar graph to reflect the data that that they collected. This activity was created by Out Teach (out-teach.org), a nonprofit providing outdoor experiential learning to transform Science education for students in under-served communities.

In this lesson students will use knowledge of the needs of living things to examine their outdoor classroom for these factors that help plants grow.