Lesson Plan
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Hypatia: Angles

For Teachers 6th - 7th
Introduce your young geometers to Hypatia, the first noted Greek female mathematician, and the properties of angles. Though this resource is missing worksheets that are needed to complete the lesson, the structure is sound and learning...
Worksheet
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Countdown Challenge: Complimentary/Supplementary Angles

For Students 4th - 6th
In this complementary/supplementary angle worksheet, students explore the definition of complementary and supplementary angles. They demonstrate models of a complementary and a supplementary angle. This is a one-page worksheet.
Lesson Plan
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Related Angles

For Teachers 11th - 12th
In this angle worksheet, pupils identify angles and then determine the related angle. Examples are provided. This one-page worksheet contains 36 problems, with answers at the bottom of the page.
Interactive
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Angles at a Point

For Students 9th - 11th
In this angles worksheet, students find the measurement of missing angles.  They identify complimentary, supplementary and vertical angles.  This one-page worksheet contains 4 problems.  Answers are provided.
Worksheet
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Kuta Software - Angles in Quadrilaterals

For Students 9th - 12th
In this angles in quadrilaterals worksheet, students solve 18 short answer problems. Students find unknown angles in a quadrilateral given a sketch of various quadrilaterals with unknown angle measurements.
Worksheet
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Triangle Fundamentals

For Students 8th - 12th
In this geometry worksheet, students observe a triangle marked with three angles and are given two measures to find the missing third measure. A second diagram is given with six angles. There are 20 questions.
Worksheet
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Challenge: Skills and Applications Lesson 3.3

For Students 9th - 12th
In this angle measures worksheet, high schoolers solve 9 short answer problems. Students find values for x and y given two parallel lines cut by a transversal. High schoolers use alternate interior, supplementary, and exterior angles to...
Worksheet
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Pairs of Angles

For Students 10th
In this geometry worksheet, 10th graders determine the measures of various angle pairs:  supplementary, complementary, and vertical angles.  The two page worksheet contains a combination of twelve multiple choice and free...
Worksheet
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Supplementary Angles

For Students 10th
In this geometry worksheet, 10th graders find the missing angles in a pair of supplementary angles.  The one page worksheet contains six problems.  Solutions are provided. 
Lesson Plan
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Angles That Pair

For Teachers 6th - 8th
Students identify angles.  In this angles that pair lesson, students identify adjacent, vertical, complementary, and supplementary angles.  They use straws, pretzel sticks to demonstrate given types of angles. 
Worksheet
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Classifying Angles

For Students 10th
In this classifying angles activity, 10th graders solve and complete 21 various types of problems. First, they use the diagram shown on the right to answer the questions that follow. Then, students solve for x and find the measure of...
Worksheet
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Complementary and Supplementary Angles

For Students 10th
In this complementary and supplementary angles activity, 10th graders solve and complete 23 various types of problems. First, they supply a reason to justify each statement in the given sequences. Then, students find the measure of each...
Worksheet
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Angle Measures

For Students 10th
In this angle measures learning exercise, 10th graders solve and complete 6 different types of problems. First, they find the coordinates of each angle given. Then, students determine if the angles are complementary or supplementary....
Worksheet
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Properties of Angles, Lines, and Triangles

For Students 10th
In this properties of angles, lines and triangles worksheet, 10th graders solve and complete 28 different problems that include determining the measurement of various figures shown. First, they use the geometric properties and theorems...
Worksheet
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Complementary and Supplementary Angles #3

For Students 4th - 6th
Learners are given one angle measurement and determine either the corresponding supplementary or complementary angle measurement. A reference web site is given for additional activities.
Interactive
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Supplementary Angles

For Students 10th
In this geometry worksheet, 10th graders determine measure of a supplementary angle. Algebra applications are included. The one page interactive worksheet contains six questions. Hints, clues, and answers are provided.
Interactive
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Angles in a Straight Line

For Students 9th - 12th
In this online math worksheet, students calculate the value of a variety of angles based on a geometric design. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Worksheet
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Find the Supplementary Angle

For Students 7th - 10th
In this angle worksheet, students determine the measure of supplemental angles.  There are 15 questions with a picture for each question.
Worksheet
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Supplementary Angles

For Students 4th - 8th
In this angles worksheet, students match the angles on the left with the supplementary angles on the right. Students complete 4 matches total.
Interactive
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Angle Measure

For Students 10th
In this geometry worksheet, 10th graders determine the measures of supplementary, complimentary, and vertical angles.  The worksheet also address they proper use of vocabulary when identify angle pairs.  The one page worksheet...
Worksheet
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Measurement

For Students 7th - 9th
In this measurement worksheet, students find the value of complementary and supplementary angles. They identify angles, parallel lines, and find the angle measurement of missing angles in a triangle. This one-page worksheet contains 10...
Worksheet
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Complimentary and Supplementary Angles

For Students 9th
In this angle activity, 9th graders find the missing angles to form complimentary and supplementary pairs.  This two page worksheeet contains eight complementaty angle problems and eight supplementary angle problems.  A...
Worksheet
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Measuring Angles

For Students 10th
In this measuring angles learning exercise, 10th graders solve and complete 8 various types of problems. First, they use a protractor to find the measure of each angle shown. Then, students find the missing angle measures. They also...
Worksheet
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Supplementary Angles (A)

For Students 5th - 6th
In this supplementary angles worksheet, students solve 4 problems in which the missing angle measurement in a set of supplementary angles is calculated.