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Worksheet
Curated OER

Integers

For Teachers 9th
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...
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Lesson Plan
Curated OER

Tree Leaves: Determining the Characteristics They Share in Common

For Teachers 9th - 12th
Students use their basic knowledge of dendrology concepts and terms.  In this tree leaf lesson students divide into groups and determine which characteristics go with what plant. 
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Lesson Plan
Curated OER

Dendrology Scavenger Hunt

For Teachers 9th - 12th
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. 
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Worksheet
Curated OER

Parallel Lines

For Students 10th
In 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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Worksheet
Curated OER

Trigonometric Ratios

For Students 10th
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...
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Worksheet
Curated OER

Interior and Exterior Angles

For Students 10th
In this interior and exterior angles activity, 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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Worksheet
Curated OER

Angle Relationships

For Students 10th
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...
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Worksheet
Curated OER

Trigonometry Ratios in Right Triangles

For Students 10th
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...
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Worksheet
Curated OER

Classifying Triangles

For Students 10th
In this classifying triangles activity, 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 sides,...
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Worksheet
Curated OER

Simplifying Equations

For Students 8th - 9th
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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Worksheet
Curated OER

Solving Linear Equations

For Students 9th - Higher Ed
In this linear equations worksheet, 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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Worksheet
Curated OER

Opposites

For Students 2nd - 3rd
In this grammar worksheet, 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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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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Lesson Plan
Curated OER

Teaching About Magnets in Kindergarten

For Teachers K
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.
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Worksheet
Curated OER

80 Opposite Adjectives-- Complete the Table-- Tough Version 2

For Students 5th - 6th
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.
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Lesson Plan
Curated OER

What's the opposite of school?

For Teachers 3rd
Third graders create a poem in which they compare and contrast opposites.