# Free Fall

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This video lesson is an example of ''teaching for understanding'' in lieu of providing students with formulas for determining the height of a dropped (or projected) object at any time during its fall. The concept presented here of creating a chart to organize and analyze data collected in a simple experiment is broadly useful. During the classroom breaks in this video, students will enjoy timing objects in free fall and balls rolling down ramps as a way of learning how to carefully conduct experiments and analyze the results. The beauty of this lesson is the simplicity of using only the time it takes for an object dropped from a measured height to strike the ground. There are no math prerequisites for this lesson and no needed supplies, other than a blackboard and chalk. It can be completed in one 50-60-minute classroom period.

Material Type: Lecture

Author: John Bookston

# Repeating Decimals

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This lesson unit is intended to help teachers assess how well students are able to: translate between decimal and fraction notation, particularly when the decimals are repeating; create and solve simple linear equations to find the fractional equivalent of a repeating decimal; and understand the effect of multiplying a decimal by a power of 10.

Material Type: Assessment, Lesson Plan

# Understanding Decimals

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These games and activities help students investigate the relationship between fractions and decimals, focusing on equivalence.

Material Type: Lesson Plan

# ISKME's OER Fellowship Program, Qatar 2013-2014

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This page documents ISKME’s 2013-2014 Open Educational Resources (OER) Fellowship Program which mentors educational leaders to champion OER into classrooms, school districts, and communities. The program runs from September until October and includes eight math teachers from Doha, Qatar.

Material Type: Teaching/Learning Strategy

# OER Fellowship Project Template

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This is a template intended to be used by OER Fellows to copy, remix, upload and insert media, write, describe, align to standards, license and publish their OER Fellowship Projects.

Author: Megan Simmons

Remix

# Pythagorean Theorem Activity

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This is a template intended to be used by OER Fellows to copy, remix, upload and insert media, write, describe, align to standards, license and publish their OER Fellowship Projects.

# Differentiation Revision Activities

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This lesson using activities to help students enjoy studying math revising rules ,vocab and their learning Knowledge .

Material Type: Game

Author: sana rashed

# Hexagon

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A web page and interactive applet illustrating the properties of a hexagon (6 sided polygon). The applet shows a hexagon where the user can drag any vertex to reshape it. User can see that the interior and exterior angles are constant in a regular hexagon, but vary in an irregular version. Controls allow the display or hiding of the diagonals, and triangles within the hexagon. The web page lists the properties of a hexagon including interior angles, exterior angles, sum of exterior angles, area, number of diagonals and number of internal triangles. Links to pages with generalized properties of all polygons. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference Interactive Geometry textbook project at http://www.mathopenref.com.

Author: John Page

# Questions to guide our thinking when creating curriculum . . .

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Educators are provided with guiding questions around which concepts and skills to consider when developing curriculum, as well as which options will provide the greatest accessibility for student success.

Material Type: Teaching/Learning Strategy

Author: Megan Simmons

# 10X Bigger!

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Students will explore multi-digit numbers and the relationship between ones, tens and hundreds; a digit in one place is 10x the digit in the place to its right. Students will use their bodies to represent digits in multi-digit numbers up to the hundredths place and compare these numbers using <, =, >. Students will use their bodies as multi-digit numbers to add and subtract.

Material Type: Activity/Lab, Teaching/Learning Strategy

# limited value exponents

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In this lesson, students will interact with variables taking the form of limited value exponents and their related functions.

Material Type: Lecture Notes, Lesson Plan

Author: Brian Ausland

# Rothgeb Modified Flipped Classroom 2013

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This is a summary and example of my experiences and successes "flipping" my Algebra I classroom in the 2012-13 school year. An example of the materials a student would encounter in a given 24 hour period are included.

Material Type: Case Study, Teaching/Learning Strategy

Author: Jason Rothgeb

# ISKME's Teachers as Makers Remix Lab 2013

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Participants collaborate in ISKME's Teachers as Makers Remix Lab at Maker Faire to brainstorm, prototype, present, and document new ideas for teaching and learning. Each participant remixes an Open Educational Resource (OER) that will be shared on OER Commons.

Material Type: Activity/Lab

Author: Megan Simmons

# ISKME's Design Lab 2012: Make an OER - Remix

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Participants collaborate in ISKME's OER Design Lab at Maker Faire to brainstorm, prototype, and present new ideas for teaching and learning. Each participant creates an Open Educational Resource (OER) that will be shared on OER Commons and with teachers during the Maker Faire follow up Teachers as Makers Academy.

Material Type: Activity/Lab

Author: Megan Simmons

# Foundations of Real World Math

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In this course, you will cover some of the most basic math applications, like decimals, percents, and even fractions. You will not only learn the theory behind these topics, but also how to apply these concepts to your life. You will learn some basic mathematical properties, such as the reflexive property, associative property, and others. The best part is that you most likely already know them, even if you did not know the proper mathematical terminology.

Material Type: Activity/Lab, Full Course, Homework/Assignment, Reading, Syllabus

# Proportion and Non-proportion Situations

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This lesson unit is intended to help teachers assess whether students are able to: identify when two quantities vary in direct proportion to each other; distinguish between direct proportion and other functional relationships; and solve proportionality problems using efficient methods.

Material Type: Assessment, Lesson Plan

# 2D Representations of 3D Objects

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This lesson unit is intended to help teachers assess how well students are able to visualize two-dimensional cross-sections of representations of three-dimensional objects. In particular, the lesson will help you identify and help students who have difficulties recognizing and drawing two-dimensional cross-sections at different points along a plane of a representation of a three-dimensional object.

Material Type: Assessment, Lesson Plan

# Are Random Triangles Acute or Obtuse?

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This learning video deals with a question of geometrical probability. A key idea presented is the fact that a linear equation in three dimensions produces a plane. The video focuses on random triangles that are defined by their three respective angles. These angles are chosen randomly subject to a constraint that they must sum to 180 degrees. An example of the types of in-class activities for between segments of the video is: Ask six students for numbers and make those numbers the coordinates x,y of three points. Then have the class try to figure out how to decide if the triangle with those corners is acute or obtuse.

Material Type: Lecture

Author: Gilbert Strange