Curated OER
Complementary Angles
Elementary schoolers find the missing angle in a complementary angle. This two-page worksheet contains six problems. Answers are provided.
Illustrative Mathematics
Finding an Unknown Angle
Teach your class how to apply their knowledge of geometry as they explore the unknown. In order to find an unknown angle, students must understand that rectangles have four interior right angles, that right angles have 90 degrees, and...
Curated OER
Geometry - Angles Overview
Learners address 14 questions that include naming all pairs of opposite and supplementary angles for sets of intersecting lines and then, finding the measure of the unknown angle. They determine the measure of the angle that is...
Houghton Mifflin Harcourt
Angle Pairs - Reteach 14.2
Practice recognizing types of additive angles with a worksheet in which pupils review adjacent, interior and exterior, complementary, and supplementary angles and use a diagram to give examples of them. Be aware that the diagram involves...
Houghton Mifflin Harcourt
Leveled Problem Solving: Angles
This splendid assignment gets future engineers to compute complementary or supplementary angles in real-life applications! Once they have mastered the art of additive angles, they can apply their knowledge to help Steve, Inez, Carlotta,...
K6 Math
Complementary and Supplementary Angles #1
Learners are given one angle measure, and then determine the corresponding supplementary or complementary angle. A reference web site is given for additional activities. This assignement can be adapted to demonstrate that angle measure...
Curated OER
Solving Problems with Angles
Upper elementary math whizzes complete word problems having to do with measurements of angles. They complete 10 multiple choice problems.
Curated OER
Angle Relationships
Over the course of 18 problems, learners identify angles as complementary, supplementary, vertical or adjacent. They name relationships in angles such as alternate interior, corresponding, and alternate exterior angles. They apply the...
Curated OER
Relationship of Angles
A direct, graphically clean practice sheet for identifying complementary, supplementary, and vertical angles. Given a diagram, learners simply write the correct designation on the line. Six problems are presented.
Curated OER
Missing Measures: Complimentary and Supplementary Angles
A missing measure mystery! Right angles and straight angles are divided in two, with the measure of one side provided. Angle analyzers compute the value of the missing complimentary or supplementary angle. There are eight problems for...
Curated OER
Complementary Angles (A)
In this angles learning exercise, students solve 6 problems in which the missing angle measurement in each set of complementary angles is calculated.
Curated OER
Complementary Angles (B)
In this complementary angles worksheet, students use their geometry skills to identify the missing angle measurements in each set of 6 complementary angles.
Curated OER
Complementary Angles
In this complementary angles worksheet, students match each given angle with its complement. There are 8 problems on the page.
Curated OER
Complementary and Supplementary Angles
Your geometry learners determine the measure of remaining angles in sets of three given that the other two are complementary or supplementary. From a diagram, they identify which angles are supplementary, complementary or congruent from...
Mt. San Antonio Collage
Postulates, Angles, and Their Relationships
More than a worksheet, learners go through geometry topics example by example on the nicely organized handout. From postulates to classifying angles, there are rules and examples provided for each topic. The ten pages of problems provide...
Curated OER
Complimentary and Supplementary Angles #2
Here is a complimentary and supplementary angles instructional activity in which learners solve 12 word problems that require them to calculate the measure of angles.
Curated OER
Complementary and Supplementary Angles #3
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.
Illustrative Mathematics
Find the Missing Angle
This one activity requires young geometers to pull together information they are currently learning with things they have learned previously. Here they rely on understanding something about parallel lines, alternative interior angles,...
Curated OER
Countdown Challenge: Complimentary/Supplementary Angles
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.
Curated OER
Complementary and Supplementary Angles
In this complementary and supplementary angles learning exercise, 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...
Willow Tree
Angle Measurement
What do you create when you rotate a ray? An angle! Teach all the angle basics including naming, measuring, supplements, and complements.
Curated OER
Systems-Angle Problems
In this geometry worksheet, 10th graders use systems of linear equations to solve word problems which involve supplementary and complementary angles. The one page worksheet contains ten problems. Answers are not provided.
Curated OER
Angles at a Point
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.
Curated OER
Pairs of Angles
In this geometry learning exercise, 10th graders determine the measures of various angle pairs: supplementary, complementary, and vertical angles. The two page learning exercise contains a combination of twelve multiple choice and free...