Curated OER
Integers
In this integers worksheet, 9th graders solve 16 different types of problems that include writing an integer to represent statements, arranging integers from least to greatest, and using integers to write mathematical expressions. They...
Curated OER
Tree Leaves: Determining the Characteristics They Share in Common
High schoolers use their basic knowledge of dendrology concepts and terms. In this tree leaf instructional activity students divide into groups and determine which characteristics go with what plant.
Curated OER
Dendrology Scavenger Hunt
Students examine leaves that are assigned to them. In this earth science lesson students work in groups and find examples of leaves that the instructor asks for.
Curated OER
Parallel Lines
For this parallel lines worksheet, 10th graders solve 10 different problems that include determining various parallel lines. First, they describe the locus of an object that has to be kept equidistant from 2 parallel objects. Then,...
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Trigonometric Ratios
In this trigonometric ratios worksheet, 10th graders solve 9 different problems that include determining the trigonometric ratios of each triangle. First, they determine the sides and angles of a right triangle that is shown in each...
Curated OER
Interior and Exterior Angles
In this interior and exterior angles worksheet, 10th graders solve 10 different problems that include determining the interior and exterior of various triangles. They determine the measure of an exterior angle and then they determining...
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Angle Relationships
In this angle relationships worksheet, 10th graders solve 7 problems related to the different types of angles that occur in pairs. First, they identify each pair of angles as adjacent, vertical, complementary, supplementary, and/or as a...
Curated OER
Trigonometry Ratios in Right Triangles
In this trigonometry ratios in right triangles worksheet, 10th graders solve 10 different trigonometric ratios that apply to right triangles. First, they define a trigonometric ratio and its three most common ratios, sine, cosine, and...
Curated OER
Classifying Triangles
For this classifying triangles worksheet, 10th graders solve 9 various problems that classify triangles into categories. First, they refer to the figure shown of an isosceles triangle with two line parallel. Then, students name the...
Curated OER
Simplifying Equations
In this simplifying equations instructional activity, students solve 11 different problems related to simplifying equations. They first place the correct symbol between each of the number listed and then, find the opposite number as the...
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Solving Linear Equations
In this linear equations activity, 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 solve...
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Opposites
In this grammar activity, students identify what opposites means and another name for them. Then they draw a line from each word on the left to a word on the right with the opposite meaning. Students also circle the word that is the...
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Subtracting Integers
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.
Curated OER
Teaching About Magnets in Kindergarten
Students explore magnets through the five lessons of this unit. The everyday uses of magnets and an awareness of magnetic attraction form the basis of the skills presented in these lessons.
Curated OER
80 Opposite Adjectives-- Complete the Table-- Tough Version 2
In this language arts worksheet, students analyze a list of 40 adjectives and next to each one, write the opposite. These are challenging and require careful word selection.
Curated OER
What's the opposite of school?
Third graders create a poem in which they compare and contrast opposites.
Beacon Learning Center
Beacon Learning Center: Anti Toast
Students explore positive and negative numbers in this interactive web lesson. Learning exercises are provided for students to practice adding integers.
CK-12 Foundation
Ck 12: Algebra: Additive Inverses and Absolute Values
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about additive inverses and absolute values.
Scholastic
Scholastic: What's Another Word For? What's the Opposite Of?
Check out these creative ways to teach students about synonyms and antonyms. Features a great list of ideas for teachers to include in their lesson plans.
CK-12 Foundation
Ck 12: Arithmetic: Absolute Value of Integers
[Free Registration/Login may be required to access all resource tools.] Identify the absolute value and opposites of given integers, recognizing zero as neither positive nor negative
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Rational Numbers
A guide to support parents as they work with their students in rational numbers.
Math2
Math2.org: Trigonometry Functions
A complete look at trig functions. From an "overview," page giving general definitions and important vocab words, to a listing of the 12 trig functions, to an explanation of the three modes used in trigonometry, to the procedures of how...
Common Core Sheets
Common Core Sheets: Finding Opposites [Pdf]
This site provides worksheets covering the concept of finding opposites also know as additive inverses. There are ten worksheets and each has an answer key. All files are grouped together as a pdf file.