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215 resources with the concept right angles

Lesson Planet

Rectangles

For Students 10th
In this rectangles worksheet, 10th graders solve 6 different geometry problems that are related to the quadrilateral, rectangle. First, they find the values of x and y to determine if quadrilateral RSTV is a rectangle. Then, students...
Lesson Planet

Angle Measurements

For Students 10th
In this angle measurements worksheet, 10th graders solve 12 problems that refer to the illustrations on the sheet and find the measures of various types of angles. First, they refer to the first figure to respond to 6 questions about the...
Lesson Planet

Area of Parallelograms

For Students 10th
In this area of parallelograms learning exercise, 10th graders solve 8 problems that include finding the area of various parallelograms. First, they find the area of each given figure in number 1-3. Then, students find the area of each...
Lesson Planet

Verifying Angle Relationships

For Students 10th
In this verifying angle relationships worksheet, 10th graders solve and prove various types of problems related to the verification process of various angle relationships. They complete each of the two proofs shown step-by-step, giving a...
Lesson Planet

Extra Practice 44: Solving Problems Using Quadratic Equations

For Teachers 9th - 10th
In this quadratic worksheet, young scholars read short stories, write quadratic equations and use their problem solving skills to solve the equation. Students use the Pythagorean Theorem to find the length of a diagonal, dimensions of a...
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Angles

For Students 7th - 8th
In this angle worksheet, students measure angles and determine if the angle is obtuse, right straight or acute. There are nine angles on this one-page worksheet. An answer sheet is provided.
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Sorting Angles

For Teachers 4th - 7th
In this sorting angles worksheet, students distinguish the differences between right, obtuse and acute angles. Students determine what type of angle thirteen angles are as shown.
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Right Angles

For Students 4th - 5th
In this math worksheet, students compare different shapes while identifying the right angles. They also write down the right angles seen in a classroom.
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Right Angles

For Students 3rd - 4th
In this math activity, students learn to recognize a right angle. Students study the picture of the right angle and are asked to draw 3 examples. Students then find and draw 9 examples of right angles in objects around them.
Lesson Planet

Gougu Rule or Pythagoras' Theorem

For Teachers 5th
Fifth graders explore Pythagoras' Theorem. They examine the pattern linking the length of the hypotenuse of a right angled triangle and the length of the other two sides. Students find an unknown side in right angled triangles.
Lesson Planet

Hey! What Is Your Angle?

For Teachers 5th
Fifth graders create and classify straight, right, acute and obtuse angles. In this clever lesson, 5th graders utilize pretzel sticks to form different types of angles. Best of all, they get to eat them at the end!
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Angles

For Teachers 4th
Fourth graders study angles of polygons. In this polygon angles lesson, 4th graders completing a folding paper activity, a polygon classification activity, and an angle comparison activity.
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Shape Ship

For Teachers 2nd - 3rd
Students study types of triangles and movements by shapes in an art project. In this shape and movement activity, students study a model of shapes. Students then cut out circles and practice turning them. Students do the same with a...
Lesson Planet

Classifying Angles: Greater Than, Less Than, or Equal to 90 Degrees?

For Students 2nd - 4th
In this angles worksheet, students analyze four angles. For each angle, students decide if it is greater, less than, or equal to a right angle. Students check the correct box.
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Right Angles

For Students 3rd - 4th
In this right angles worksheet, students review various images of right angles. Students then find the angles and right angles for the given shapes and write them on the lines.
Lesson Planet

Cosine

For Students 10th
In this cosine worksheet, 10th graders solve 10 different problems that include various triangles. They determine the cosine of one point in each triangle illustrated. Then, they apply the line segments given to each and solve for the...
Lesson Planet

Right Angles in the Classroom

For Students 2nd - 3rd
In this finding right angles worksheet, students look around the classroom and draw any right angles they see. Students then "tick" any right angle in 6 geometric shapes.
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Naming Angles 2

For Students 10th
For this naming angles worksheet, 10th graders complete 12 problems that identify and name various types of angles in figures. They name a pair of vertical angles and a linear pair in 8 of the problems. Then, students name a pair of...
Lesson Planet

Cube Count

For Students 6th - 8th
In this cube counting learning exercise, learners solve 5 word problems that refer to the illustration of a stack of cubes. First, they determine how many cubes would be needed to make four steps, then seven and eight steps. Students...
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Geometry: Classifying Angles

For Teachers 9th - 12th
Students measure, construct, and classify angles as acute, right, straight, and obtuse. Once they have completed an angle worksheet, students use a map of South Carolina to locate cities by constructing the aforementioned angles.
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Math: A Geometric Neighborhood

For Teachers 6th - 8th
Students, as a final project, draw a picture of their ideal neighborhood on a sunny day. In addition to the sun, their drawings include homes, trees, streets, and selected objects. Each object in their drawing has a written description...
Lesson Planet

Investigating the Idea of Cos

For Teachers 5th
Fifth graders use cos to solve problems involving right-angled triangles. They solve equations of the form cos(++) = a, for a between -180 and 360 degrees. They state the value of cos(++) in special cases and graph y = cos(++).
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Secrets of Lost Empires I-Colosseum

For Teachers 6th
Sixth graders identify how to use pulleys to change the direction of force. Students develop ways to evaluate designs, noting that no one best design exists and that different tasks require different designs. Students designs will vary.