Pupils investigate the relationship between angles of triangles. In this geometry lesson, students identify properties of right and non-right triangles. They differentiate between vertical and supplementary angles.

For this parts of similar triangles worksheet, 10th graders solve 6 different problems related to determining the value of various parts of similar triangles. First, they find the value of x in the 2 figures shown. Then, students find...

In this angles worksheet, students name a set of angles using the correct math symbol from a set of 5 choices. A reference web site is given for additional activities.

Though there are technically only 13 questions on this exam, they take up six pages and make a thorough assessment of organic chemistry principles. There are plenty of diagrams to label or complete. Emission spectra are displayed for...

Let there be light! When your physics learners take this midterm exam, light will be their focus. They will show what they know about electromagnetic waves, interference, refraction, reflection, lenses, prisms, and more! The test is...

In this angles of time activity, learners draw an hour hand on a clock to represent given angles and show a time, then "write about it." Answers included on page 2.

In this math worksheet, pupils analyze 6 geometric figures. Students label each polygon with its name and measure each inside angle. Pupils are instructed to compare their measurements with those of a partner.

Students identify interior and exterior angles of polygons. In this geometry lesson, students add interior and exterior angles of polygons. They use angle theorems to solve the problems.

In this angles in alphabet letters worksheet, 3rd graders study 6 capital letters and answer 8 mathematical questions relating to the angles of each letter.

In this geometry instructional activity, students identify the different properties and characteristics of a circle. They use angle formulas to solve for the missing angles. There are 20 questions.

Students identify the measure of missing exterior angles. In this geometry lesson,students define and apply the exterior angle theorem to solve problems. They use Cabri software to create different angles and make investigations.

In this geometry learning exercise, 10th graders write two-column and paragraph proofs to prove angle pair relationships.  The one page learning exercise contains five problems.  Answers are not included. 

Pupils 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.

Pupils find the orthocenter of a triangle. In this geometry lesson, students identify where the altitudes meet in a triangle. They use Cabri software to explore acute, obtuse and right triangles.

Students define keywords that are important to solve problems. In this geometry lesson, students find the arc length and angle of a circle. They convert between radians and degrees.

In this triangles worksheet, students find the missing angles of a set of 4 triangles. Answers are included on page 2.

High schoolers will draw Lewis structures of common covalent compounds using a Chem 3D computer program. They will predict the shapes of the molecules, complete a data table, and formulate rules for predicting shapes of molecules. In the...

In this geometry worksheet, 10th graders solve problems involving the perpendicular bisectors and angle bisectors of a triangle and their points of concurrency.  The one page worksheet contains sixteen questions.  Answers...

In this glyph worksheet, students read about the common attributes of people born in the Year of the Rooster. Students follow the directions to color a large picture of a rooster. Students color the different parts of the picture in...

In this classifying triangles learning exercise, students explore given lengths or angle measurements and then classify each triangle as isosceles, scalene or equilateral. They also determine if the triangle may be right, acute or...

For this intersecting planes worksheet, 10th graders solve and complete 27 various types of problems. First, they use the diagrams at the right to answer each of the questions. Then, students measure each angle shown and classify them as...

In this geometry worksheet, students solve word problems by finding the values of missing angles and missing sides of triangles. They review their trigonometric properties of a right triangle. There are 9 problems with an answer key.

In this polygons worksheet, learners identify polygons that contain given parameters.  They write definitions of polygons.  Students find the measurement of exterior and interior angles of regular polygons.  This two-page...

In this triangles worksheet, 10th graders solve and complete 22 different problems related to various types of triangles. First, they name the shortest and longest sides and the smallest and largest angles in each of triangles...