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,...
Curated OER
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...
Curated OER
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...
Curated OER
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...
Curated OER
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...
Curated OER
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.
Massachusetts Institute of Technology
Mit: Useful Trigonometric Identities
This list of trigonometric identities includes the factoring formulas near the bottom. A great tool for reference.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Contrapositive, Converse, Inverse
The inverse, converse and contrapositive are defined as Dr. Math answers a question to prove the validity of such statements for a specific problem. The Dr. explains the thinking process for the proof well.
Oswego City School District
Regents Exam Prep Center: Related Conditionals
A collection of resources for teachers planning instruction on related conditionals, complete with four lessons, an online practice quiz, and a suggested class activity.
Other
Numbers, Constants, and Computation: The Logarithm Constant : Log(2)
This site explains The logarithm constant : log(2). It is a very comprehensive site.
Texas Education Agency
Texas Gateway: Using Inductive Reasoning to Formulate Conjectures
Students will practice identifying the converse, inverse, and contrapositive of conditional statements.
Math Medics
S.o.s. Math: On Inverse Functions With Restricted Domains
Offers a step-by-step explanation of a one-to-one function problem on inverse functions with restricted domains, clearly using the horizontal line test. Includes sample problems.
University of North Carolina
University North Carolina Wilmington: Inverse Functions
Take a look at inverse functions from their definition to graphing them. This site also shows you how to find the inverse of a function.
Texas Education Agency
Texas Gateway: Determining the Validity of Conditional Statements
Given a conditional statement, the student will determine its validity and the validity of the converse, inverse and contrapositive.
AAA Math
Aaa Math: Inverse Relationship of Addition and Subtraction
This site introduces addition and subtraction fact families and provides an opportunity for students to practice the skill.
AAA Math
Aaa Math: Inverse Relationship of Subtraction and Addition
Students explore the inverse relationship of addition and subtraction. The resource provides self-check exercises and timed learning games to practice the concept.
Washington State University
Washington State University: Real Numbers
This site from Washington State University provides properties and rules of addition and multiplication that help with proofs.