Curated OER
Worksheet 15-Fall 1995
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...
Concord Consortium
Three Rubber Bands
Stretch your mind about triangles. Given a triangle, scholars consider a smaller triangle formed when they stretch three rubber bands from each vertex to the opposite side. They determine the ratios of the areas and perimeters of the...
Curated OER
Angle-Side Relationships
Students calculate the different sides and angles of a triangle. For this geometry lesson, students use triangular properties to define the relationship between two triangle. They identify missing angles using the interior angle theorem.
Virginia Department of Education
How Many Triangles?
Something for young mathematicians to remember: the sum of any two sides must be greater than the third. Class members investigates the Triangle Inequality Theorem to find the relationship between the sides of a triangle. At the same...
Illustrative Mathematics
Lines of Symmetry for Triangles
What can symmetry tell us about triangles? After looking at four examples, learners will come to realize that lines of symmetry are different for equilateral, isosceles, and scalene triangles. Use this guided practice activity as an...
Curated OER
Variables on Both Sides
Students solve equations containing variables on both side of the equal sign. In 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 models...
Curated OER
Antonym Snowmen
Pupils demonstrate their understanding of antonyms. They create snowmen and write antonyms on them. Then present their snowmen and antonyms to the class. This is a seasonal theme lesson plan.
Curated OER
Comparing and Contrasting: Fact vs. Opinion
Elementary schoolers investigate nonfiction stories by analyzing facts and opinions. They read nonfiction stories about the Lewis and Clark expedition. Pupils utilize a T-chart to list the facts and opinions on opposite sides, and then...
Curated OER
P.E. Lesson: Black Bear
Students run and try to tag a classmate as "Black Bear, Black Bear" is yelled by another student. For this P.E. lesson, students try to get to the opposite side of a playing area without being tagged or being tricked by the person who is...
Curated OER
Quadrilaterals
For this quadrilaterals worksheet, 10th graders solve 10 different problems that include the quadrilateral family and properties. First, they determine the area of a rectangle given the perimeter and length. Then, students determine the...
Curated OER
Geometric Mean and the Pythagorean Theorem
In this geometric mean and the Pythagorean Theorem worksheet, 10th graders solve 16 different problems that determine the geometric mean of numbers by applying the Pythagorean Theorem. First, they find the geometric mean between each...
Alabama Department of Archives and History
The Wrong Side of History: How One Group Justified Its Opposition on the Freedom Riders and Civil Rights for African Americans
Designed as a supplement to the study of the Freedom Riders, this resource uses primary sources to reveal the views of those who opposed the Freedom Riders. After careful study of the arguments presented by the members of the Montgomery...
PhysEdGames
Mystery Tag
When the chosen person yells "Face the wall!" everyone on the opposite end faces the wall while the tagger counts down from five and hides behind an exercise mat. When the tagger gets to zero, everyone runs across the gym to the other...
Flipped Math
Inverse Trig Ratios
Put trigonometric ratios into inverse. Scholars learn how to find an unknown angle in a right triangle by using inverse trigonometric ratios. The pupils understand how the inverses undo a trigonometric ratio to provide the angle measure....
University of Pennsylvania
Using Comic Strips to Teach Multiple Perspectives
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...
Curated OER
Triangle Side Lengths and Angles Measures
Learners identify missing sides and angles. In this geometry lesson, students use triangular theorems to identify the missing sides. They use the Pythagorean Theorem to find the different ratios of each side.
Curated OER
Solving Proportions
In this solving proportions worksheet, 9th graders solve and complete 16 different equations that include using proportions. First, they define a proportion and begin by eliminating the fractions in each. Then, students multiply both...
Mt. San Antonio Collage
Properties of a Parallelogram
More than just a activity, the resource provides a thorough guide to navigate through the land of parallelograms. Filled with definitions and theorems, the resource supports learners through problems such as proofs and finding missing...
Curated OER
Angle-Side Relationships
Young scholars investigate triangles and their angle-side relationship. In this geometry lesson plan, students identify the property of the triangles and use it to solve the problem correctly. They use the TI to graph their triangles.
Curated OER
Seeing Both Sides of an Issue
Learners develop arguments on both sides of an issue to see how it feels to understand opposing views. They try to think of all the reasons they might take the opposite position on the same statement: My way of doing things is the best...
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
Auntie Nym's World of Opposites
In this antonym worksheet, students choose the antonym of given words by clicking on the correct opposite from a selection of words. When the students complete the exercise, they may check the exercise and try again if they do not have...
Curated OER
Tricky Triangle
In this triangle worksheet, students solve 1 word problem about the lengths of a triangle. Students determine the length of the longest side given the ratio of the angle measures.
Curated OER
My Perfect Partner
Students explore gender roles by describing an ideal partner. In this human characteristic lesson, students create a chart which describes the positive and negative aspects they seek in a partner of the opposite sex. Students demonstrate...