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Lesson Plan
EngageNY

The Opposite of a Number's Opposite

For Students 6th Standards
It's said that opposites attract, but what about opposites of opposites? Individuals learn about the opposite of opposites using number lines. They complete a group activity in which members determine the opposite of opposites of integers. 
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Lesson Plan
EngageNY

The Opposite of a Number

For Students 6th Standards
It's opposite day! The fourth installment of a 21-part module teaches scholars about opposites of integers and of zero. Number lines and real-world situations provide an entry point to this topic.
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Worksheet
Curated OER

Integer Computation-Rules

For Students 5th - 6th
In this integers worksheet, students solve and complete 17 different problems that include using the integer computation-rules. First, they read the flow chart on the right and add their own examples to show that they comprehend each...
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Lesson Plan
Curated OER

Summary of operations with integers

For Teachers 7th - 9th
In this integers worksheet, students perform a summary of how to properly perform operation on integers.  Addition, subtraction, multiplication, and division operations are shown with signed integers.  Dividing by zero is also covered.
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Lesson Plan
Curated OER

Subtracting Integers

For Teachers 6th
In this mathematics worksheet, 6th graders subtract a number, add its opposite, and explain what opposites are, giving an example of two numbers that are opposites. Then they subtract each integer by adding its opposite.
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Interactive
Curated OER

Personality Adjectives

For Students 5th - 8th
In this personality adjectives activity, students complete sentences with adjectives, find the opposites to personality traits, and identify personality adjectives that relate to star signs. Students complete 55 questions total.
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Lesson Plan
Curated OER

Variables on Both Sides

For Teachers 9th - 10th
Young scholars solve equations containing variables on both side of the equal sign. For this algebra lesson, students combine like terms using opposite signs to get them on one side of the equal sign. They model the equations using bar...
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Worksheet
Curated OER

Integer Computation

For Students 5th
In this integer computation worksheet, 5th graders solve and complete 14 different problems that include solving various types of integers. First, they use the code in the columns to solve the 3 puzzles at the bottom of the sheet....
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Unit Plan
National Endowment for the Humanities

American Diplocmacy in World War II

For Teachers 9th - 12th
The end of World War II saw the world deeply changed over the last few years. Four thorough lessons explore post-war Europe, America, and Asia through reading assignments and discussion questions about the Grand Alliance and the signing...
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Lesson Plan
EngageNY

Rational Numbers on the Number Line

For Students 6th Standards
Individuals learn how to plot rational numbers on the number line in the sixth lesson of a 21-part module. They identify appropriate units and determine opposites of rational numbers.
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Activity
National Constitution Center

Thirteenth Amendment Poster

For Teachers 9th - 12th Standards
President Lincoln believed in the Thirteenth Amendment so strongly that he signed 14 copies of it, but died before he could see it passed on December 18, 1965. Explore the text that forever abolished slavery in America with a document...
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Interactive
CK-12 Foundation

Vector Subtraction

For Students 11th - Higher Ed Standards
Move vectors to determine their difference. Pupils use an interactive to visualize the opposite of a vector. They use the concept of adding vectors to subtract vectors by adding the opposite and, finally, view the differences of the...
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Activity
5280 Math

Pythagorean Triples

For Teachers 10th - 12th
From Pythagorean triples to the unit circle. Learners use the Pythagorean Theorem to find Pythagorean triples and then relate their work to the unit circle in a fun algebra project. Their discovery that x^2+y^2 is always equal to one on...
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Interactive
CK-12 Foundation

Equations of Perpendicular Lines

For Students 9th - 11th Standards
Investigate how the equation y = -1/x relates to perpendicular lines. Pupils align an arrow using an interactive so it is perpendicular to a bow string. A set of challenge questions helps learners discover slopes of perpendicular lines...
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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...
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Lesson Plan
Curated OER

Simplifying Both Sides By Combining Like Terms, then Solving

For Teachers 9th - 11th
Students solve equations with variable on both sides of the equal sign. In this algebra instructional activity, students combine like terms using opposite signs. They solve for the desired variable using addition, multiplication,...
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Lesson Plan
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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...
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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...
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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.
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Worksheet
Curated OER

Positive & Negative Numbers

For Students 6th - 8th
Young mathematicians solve and complete 22 different problems that include using a number line to evaluate. First, they define each of the terms listed. Then, pupils graph each integer on the given number line. They also evaluate each...
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Worksheet
Curated OER

Solving Linear Equations

For Students 9th - Higher Ed
In this linear equations learning exercise, students solve six linear equations and check their work. Then they translate the next 4 problems into an equation and solve those too. Students first combine like terms when necessary and then...
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Lesson Plan
EngageNY

Symmetry in the Coordinate Plane

For Students 6th Standards
The 17th installment of a 21-part module investigates symmetry in the coordinate plane. After plotting several examples, scholars develop a rule for the coordinates of a point after reflecting over the x-axis, the y-axis, or both.
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PPT
Curated OER

Integers

For Students 5th - 8th Standards
Integers can be challenging, but this presentation makes teaching integers a whole lot easier! Comprehensive information, a song, chant, and pop quizzes provide an in-depth look into what integers are, and how to add, subtract, and graph...
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Printables
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Houghton Mifflin Harcourt

Unit 8 Math Vocabulary Cards (Grade 5)

For Students 5th Standards
Reinforce math vocabulary with a set of flash cards. With a total of forty-eight cards, each are printed in bold font, and include definition cards that offer a labeled example. Terms include absolute value, ordered pair, variable and...