Activity
Illustrative Mathematics

Find the Missing Angle

For Teachers 7th - 9th Standards
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,...
Interactive
Scholastic

Study Jams! Similar Figures

For Students 5th - 8th Standards
Discover how triangles are congruent based on their sides, angles, and proportionality. Learners explore the ways to determine similarity at their own pace, and then they practice afterwards with an assessment. 
Lesson Plan
EngageNY

Conditions for a Unique Triangle—Two Angles and a Given Side

For Teachers 7th Standards
Using patty paper, classes determine that only one triangle is possible when given two specific angle measures and a side length. As the 10th instructional activity in the series of 29, young math scholars add these criteria to those...
Worksheet
Curated OER

Measuring Angles

For Students 6th - 7th
In this math activity, students use protractors to measure each of a set of angles. This is a activity generator, the teacher controls the minimum and maximum angles students are presented with as well as whether or not to rotate angles....
Lesson Plan
Curated OER

Measuring Pattern Block Angles

For Teachers 6th
Sixth graders identify various angles by using pattern blocks. In this measurement lesson, 6th graders find out how many degrees are in each of the different angles of the various pattern blocks.
Worksheet
Curated OER

Classify and Measure Angles

For Students 4th - 6th
In this angles instructional activity, students classify and measure a set of 9 angles, using a protractor. A reference web site is given for additional activities.
Lesson Plan
Project Maths

Introduction to Angles

For Teachers 6th - 8th Standards
Approach the instructional activity from the right angle. A discussion-based instructional activity leads helps learners understand angles in terms of rotation. Individuals use manipulatives to explore the properties of angles and learn...
Activity
Discovery Education

Stomp Rockets

For Teachers K - 8th
Watch the excitement grow as learners experiment with homemade rockets. Pupils create their own rockets from a soda bottle and experiment with launch angles. They discover the launch angle has a significant effect on the distance the...
Lesson Plan
Space Awareness

Making A Sundial

For Teachers 1st - 5th
Can people really measure time just by using the sun? Scholars venture outside on a nice, sunny day to build sundials and learn how people measured time 600 years ago. The class builds two different sundials while gaining practice with...
App
Oddrobo Software

King of Math Junior

For Students K - 6th Standards
Do your students have what it takes to be the king of math? Find out with this fun skills practice game that covers a wide range of topics from counting and basic operations to measurement and fractions.
Performance
Radford University

Parallel Lines Task

For Teachers 9th - 12th Standards
Transform the classroom into a coordinate plane. Scholars walk along parallel lines drawn on a coordinate plane on the classroom floor. They measure angles and slopes and use the results to develop criteria that would make the lines...
Lesson Plan
Texas Instraments

Angles in Circles

For Teachers 9th - 12th Standards
Teach your learners how to investigate the relationship between a central angle and an inscribed angle which subtend the same arc of a circle. The dynamic nature of Cabri Jr. provides opportunity for conjecture and verification.
Lesson Plan
Curated OER

Constructing and Measuring Angles

For Teachers 5th
Fifth graders complete an introduction to the Geometer's Sketchpad software. They explore various beginning functions and practice using required tools. Using the sketchpad, 5th graders measure given angles. They complete follow-up...
Worksheet
Curated OER

Parallel Lines and Types of Angles

For Students 5th - 6th
For this angles and parallel lines worksheet, students solve 40 problems that pertain to parallel lines, supplementary, vertical, corresponding and alternate angles. There is instruction on the page with examples. This page is intended...
Lesson Plan
Curated OER

Angle Measurement of Aircraft Wings and Tails

For Teachers 7th - 8th
Students measure the angles of wings and tails of various aircraft using a protractor. They estimate and check their measurements. They investigate aircraft being developed and tested at NASA Dryden.
Lesson Plan
Curated OER

Symmetry in Paper Airplanes

For Teachers 5th - 8th
Students explore symmetry.  In this geometry and scientific inquiry lesson plan, students design paper airplanes with middle line symmetry, as well as right, obtuse, and acute angles.  Students measure the plane's angles using...
Lesson Plan
Curated OER

Angles and Transversals

For Teachers 9th - 12th Standards
Pupils explore the concept of angles and transversals. They construct parallel and non-parallel lines cut by a transversal using Cabri Jr. Learners then determine which angles are congruent and the relationship of angles when two lines...
Lesson Plan
Curated OER

Angles Formed By Parallel Lines

For Teachers 6th - 12th Standards
Young scholars explore the concept of angles formed by parallel lines.They graph two parallel lines cut by a transversal, then measure the angles formed by the transversal and record the data in a table. Learners make conjectures about...
Lesson Plan
EngageNY

Rotations

For Teachers 9th - 10th Standards
Searching for a detailed lesson to assist in describing rotations while keeping the class attentive? Individuals manipulate rotations in this application-based lesson depending on each parameter. They construct models depending on the...
Lesson Plan
EngageNY

Solving for Unknown Angles Using Equations II

For Teachers 7th Standards
The third activity in the series of 29 asks learners to identify types of angles to verify angle relationships. They find unknown measures using vertical, adjacent, complementary, supplementary, and 360-degree angles.
Lesson Plan
EngageNY

Solving for Unknown Angles Using Equations III

For Teachers 7th Standards
Challenge your classes to combine geometric and algebraic concepts with an activity that builds on concepts learned in the first three lessons of the series. The fourth part asks scholars to identify geometric angle relationships and use...
Lesson Plan
EngageNY

Solving for Unknown Angles Using Equations

For Teachers 7th Standards
They say a picture is worth a thousand words—and your pupils may agree after this instructional activity! They read a geometric description and create a diagram from that description. Their diagrams help them find unknown measures based...
Lesson Plan
Mathematics Assessment Project

Identifying Similar Triangles

For Teachers 7th - 9th Standards
Math whizzes work with angle sums and exterior angles to figure out the measure of other angles. This particular publication provides comprehensive support in the form of an anticipatory activity, questions designed to prompt discussion,...
Lesson Plan
Curated OER

Angles, Bearings and Maps

For Teachers 6th - 8th
Students review what they comprehend about angles. They name the differnt types of angles and define them. Students use their protractors to answer questions, the teacher walks around to look at the positioning of the protractors. ...