Interactive
CK-12 Foundation

Comparing Equation of Parallel and Perpendicular Lines: Parallel and Perpendicular Lines

For Students 9th - 11th Standards
It seems perpendicular lines have slopes which follow a specific rule. Scholars use an interactive to investigate this rule by moving a pair of lines on a coordinate plane. They find that perpendicular lines have slopes that are opposite...
Lesson Plan
2
2
Advocates for Youth

What Are My Relationships with Others Like?

For Students 7th - 12th
Relationships are often the highest priority for teenagers, but they don't always have the maturity to navigate a healthy connection with peers or family members. A series of group activities prompt class members to interview their...
Lesson Plan
Howard County Schools

Factoring Trinomials Using Tiles

For Teachers 8th - 10th Standards
What's the opposite of multiplying binomials? Learners apply their previous knowledge of multiplying binomials using algebra tiles to factor trinomials. The lesson introduces factoring as a process that uses algebra tiles to...
Lesson Plan
1
1
University of Pennsylvania

Using Comic Strips to Teach Multiple Perspectives

For Teachers 8th - 12th Standards
Scholars view comics from two different perspectives; one paints the Alfred Dreyfus as innocent, while the other portrays the exact opposite. They solve the mystery of what happened by analyzing the source, working in groups, and...
Study Guide
Reed Novel Studies

The Outsiders: Novel Study

For Teachers 7th - 10th Standards
The greasers and Socs, both gangs in S.E. Hinton's The Outsiders, came from opposite sides of the tracks, yet seemed to live in two different worlds. Scholars answer comprehension questions, create alliterations, and work with...
AP Test Prep
College Board

2004 AP® English Language and Composition Free-Response Questions

For Students 10th - 12th Standards
Shall we agree to disagree? Scholars have the opportunity to choose a topic they feel is controversial in the world and express ideas about it. They complete essays that address the opposite views. In two other essays, they analyze a...
Lesson Plan
1
1
Teaching Tolerance

Using Photographs to Teach Social Justice | Exposing Anti-Immigration Sentiment

For Teachers 6th - 12th
The debate about immigration reform continues. To gain a deeper understanding of the issues involved, class members first examine a photo of an anti-immigration rally. Groups then conduct an internet search for an image that presents an...
Lesson Plan
1
1
Teaching Tolerance

Using Photographs to Teach Social Justice | Confronting Unjust Laws

For Teachers 6th - 12th
The right to peacefully assembly to protest injustice is a key element of the First Amendment to the United States Constitution. Class members are asked to analyze two photographs of people confronting what they consider to be unjust...
Interactive
DocsTeach

Court Packing vs. Reorganizing: The Supreme Court in the New Deal

For Teachers 9th - 12th
Travel back in time to understand the effects of FDR's New Deal on the Supreme Court. Academics analyze historical documents to understand FDR's attempts to pack the Supreme Court and the opposition he faced. The activity includes a...
Interactive
DocsTeach

Letter to Truman about the Manhattan Project

For Teachers 7th - 12th
Delve into the past to understand the opposition to the Manhattan Project. An interesting activity is designed to be completed in pairs, groups, or individually. Scholars analyze historical documents, complete an online worksheet, and...
Lesson Plan
Curated OER

Laws of Motion

For Teachers 6th - 9th
Do you need some new ideas for teaching Newton's Laws of Motion? This series of activities will spring your curriculum to life! Choose from five activities to demonstrate or have your science stars perform. As a result, they...
Lesson Plan
Curated OER

Law of Conservation of Momentum

For Teachers 9th - 12th
A suggested sequence of events lays out five hands-on activities and four creative assessments on the conservation of momentum. Using spring scales and mail scales, junior physicists examine Newton's Third Law. After you have taught the...
Lesson Plan
Curated OER

Lesson Plan: Wide Open Spaces

For Teachers 6th - 12th
What's the difference between city space and wide open space? Young analysts explore each space through writing, critical thinking, and discussion. They use what they learn to create collages that exemplify both worlds. Great discussion...
Lesson Plan
Curated OER

Adding and Subtracting Integers

For Teachers 6th - 7th
Middle schoolers use discs in order to add and subtract integers. There are manipulatives present so kinesthetic learners can access the curriculum. They also review the concept of the opposite of positive and negative numbers.
Worksheet
Curated OER

Antonyms 1

For Students 8th - 9th
Explore antonyms! There are 10 multiple-choice questions here, and learners must choose the answer that represents the opposite of the word in capital letters. Example words include buoyant, urban, and volatile. 
Lesson Plan
Curated OER

Crash Test Dummies

For Teachers 5th
Fifth graders are introduced to Newton's First Law of Motion. In groups, they describe the differences between balanced and unbalanced forces. They participate in experiments that demonstrate how equal and opposite forces act upon...
Activity
Illustrative Mathematics

Is This a Parallelogram?

For Teachers 9th - 12th Standards
If both pairs of opposite sides of a quadrilateral are congruent, is the quadrilateral a parallelogram? This task asks learners to determine the answer and to support their answer with a proof. The resource includes a commentary for...
Worksheet
Curated OER

Gender of Nouns

For Students 2nd - 3rd
Have a race in your class to see who can come up with the opposite gender noun for each of the nouns listed on this worksheet! This resource includes 3 sheets of nouns and lines on which pupils write the opposite gender noun. They write...
Lesson Plan
Curated OER

Building Vocabulary Quadrant Charts

For Teachers 4th - 5th
This clever language arts lesson invites pupils to read verses of poetry, then construct vocabulary quadrants on index cards. The cards are divided up into 4 sections: Word, Meaning, Opposite, Example. They choose a difficult word from...
Worksheet
Curated OER

Archimedes

For Students 7th - 8th
In this Archimedes worksheet, students complete and respond to 4 different problems related to different triangles. First, they find the midpoint of each side of a given triangle. Then, students connect the midpoints with the opposite...
Lesson Plan
Curated OER

Comparison of Juan Bautista de Anza and George Washington

For Teachers 5th
Fifth graders discover that Anza and Washington lived at the same time but on opposite sides of the American Continent. They identify differences and similarities in their lives. They present the data in an illustrated time line
Lesson Plan
Curated OER

Using Integer Tiles

For Teachers 5th - 6th
Demonstrate how to add and subtract positive and negative numbers using tiles. Pupils complete a variety of activities on a worksheet, including mixed addition and subtraction problems, subtracting and adding opposites, and magic squares...
Lesson Plan
Curated OER

Create a Math Road Trip

For Teachers 3rd - 6th
Young scholars create a Road Trip. They work in small groups. Students are given a road map for each group. They plan a road trip between two cities on opposite edges of the map, estimating a reasonable distance to travel each day. Young...
Lesson Plan
Curated OER

Worksheet 15-Fall 1995

For Teachers Higher Ed
In this math worksheet students use the intermediate value theorem to solve two problems. They find parallel lines that will cut a convex shape into two pieces with equal areas. Students repeat this problem with a concave shape. Students...

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