For this Archimedes worksheet, learners complete and respond to 4 different problems related to different triangles. First, they find the midpoint of each side of a given triangle. Then, students connect the midpoints with the opposite...

In this ratio and surface area worksheet, students find the ratio of surface area of one figure to another. They determine the length of sides and angles through similar figures. Students use trigonometric ratios to find the length of...

In this geometry worksheet, 10th graders determine the measures of the angles formed when parallel lines are cut by a transversal.  The two page worksheet contains eleven problems.  Answers are not provided. 

What does it take to show two triangles are similar? The 11th segment in a series of 16 introduces the AA Criterion for Similarity. A discussion provides an informal proof of the theorem. Exercises and problems require scholars to apply...

Geometric figures are perfect to use for proofs. Scholars prove conjectures about whether given points lie on a triangle and about midpoints. They use a provided dialogue among fictional students to frame their responses.

In this triangles activity, 10th graders solve 10 different problems that include determining the measurement of various angles. First, they determine the area of a triangle illustrated on the sheet. Then, students use the picture to...

In this transformations worksheet, 7th graders measure 10 different figures related to rotation. First, they determine the measure of the angle between blades of a windmill. Then, students determine the rotation clockwise and then...

In this concurrence worksheet, 10th graders solve 10 different problems related to determining various concurrences. First, they determine which type of triangle has two altitudes outside of it. Then, students determine the distance...

In this geometric proof worksheet, students use geometric theorems and rules to prove given statements. They prove that given lines and angles are similar. This five-page worksheet contains ten problems.

In this congruent triangles activity, 10th graders solve and complete 10 different problems that include various forms of triangles. First, they name the method for proving each set of triangles congruent using the given information....

In this congruent triangles worksheet, 10th graders solve and complete 13 different problems. First, they use the illustrated congruent triangles to show other congruency in each problem. Then, students determine and prove the angle...

In this pre-proofs learning exercise, 10th graders solve and complete 10 different problems that include various proofs and their definitions. They use the diagram shown and the given information to write the direct conclusion for each...

In this online interactive math skills instructional activity, students solve 10 multiple choice math problems regarding geometry skills. Students may view the correct answers.

In this rectangles learning exercise, 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,...

In this planes worksheet, students solve 3 short answer problems. Students determine a true statement given lines perpendicular to a plane.

Students find the area of two parallelograms. One answer is multiple choice, the other is a short answer. Students graph four lines, and find the area of the parallelogram formed by these lines. Students explain the angle that will give...

In this geometry worksheet, students distinguish which of eight shapes are squares, rectangles and/or triangles. Students write the name of each shape on the lines provided.

In this right triangle worksheet, students find the lengths of the sides of a triangle. This one-page worksheet contains 1 problem.

In this right triangles worksheet, 10th graders solve and complete 12 various types of problems. First, they solve for x given each of the right triangles shown. Then, students determine the length of the shorter diagonal given the...

In this area of polygons worksheet, 10th graders solve and complete 12 various types of problems. First, they find the area of a given square. Then, students find the length of an original square as illustrated. They also write an...

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 geometry instructional activity, 10th graders use the concept of midpoint of a line segment to solve problems in which they determine the length of the indicated segments.  The one page instructional activity...

In this quadrilaterals worksheet, 10th graders solve and complete 10 different problems that include identifying various quadrilaterals. First, they indicate whether the statements are true or false for each. Then, students determine the...

In this quadrilaterals instructional activity, 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...