Arcs Teacher Resources

Find Arcs lesson plans and worksheets
Showing 1 - 24 of 387 resources
EngageNY

EngageNY Geometry Module 5: Circles With and Without Coordinates

For Teachers 9th - 12th Standards
A comprehensive 21-lesson math unit challenges high schoolers to wrap their heads around the geometry of circles. Building on a prior understanding of similarity and congruence, length and area, and the properties of geometric figures,...
Lesson Planet

It All Comes Full Circle

For Teachers 9th - 12th Standards
How long does it take spacecraft go around the earth? Using the circular orbits of the space shuttle and the International Space Station, groups determine the distance traveled in one revolution, then calculate the distance traveled...
Lesson Planet

Angles in Circles

For Students 10th
In this angles in circles worksheet, 10th graders solve 10 different problems that include tangents and chords and intersecting chords. First, they find x when given 2 intersecting chords. Then, students determine x given the diameter...
5:54
Lesson Planet

Inscribed Angles in Circles: Lesson

For Students 9th - 12th Standards
Circle the angles and intercept the arcs. The video introduces three theorems relating to inscribed angles in circles. Using drawings, the segment of a playlist on geometry illustrates the measure of angle along with theorems about two...
2:32
Lesson Planet

Angles Outside a Circle: Lesson

For Students 6th - 12th Standards
Understand the difference in finding angle measures. A segment of an extensive geometry playlist introduces the formula to find the measure of an angle formed outside of a circle. Using examples, the video shows how to calculate measures...
1 In 1 Collection
EngageNY

Arc Length and Areas of Sectors

For Teachers 9th - 10th Standards
How do you find arc lengths and areas of sectors of circles? Young mathematicians investigate the relationship between the radius, central angle, and length of intercepted arc. They then learn how to determine the area of sectors of...
3:14
Lesson Planet

Arcs in Circles: Lesson

For Students 6th - 11th Standards
Taking a major look at arcs is not minor. A segment of an extensive playlist on geometry introduces the concept of an arc in a circle. The resource demonstrates how to find the measure of an arc and defines special types of arcs.
8:36
Lesson Planet

Inscribed Angles of Circles

For Students 9th - 12th Standards
Relationships in circles build from the many connections made throughout the geometry course. The instructor in the video explains these connections as she builds the concept of inscribed angles. Using examples, the narrator highlights...
3:09
Lesson Planet

Angles On and Inside a Circle: Lesson

For Students 9th - 11th Standards
A video introduces methods to find the measure of angles whose vertex is on and inside a circle. Within examples, the section of a larger playlist on basic geometry incorporates several angle measurement theorems.
Lesson Planet

Conversion between Degrees and Radians: Arc and Radians Relationship

For Students 10th - 12th Standards
How are arc lengths and radians related? An interactive resource demonstrates the relationship as pupils create arc lengths in a unit circle and compare them to the angle measurements. Questions ask individuals to build upon this...
Lesson Planet

Area of Sector and Length of Arcs

For Students 9th - 12th Standards
Viewers learn how to apply proportional reasoning to find area of sectors and arc lengths with a video that starts off explaining how to find the areas of circle sectors and the lengths of arcs. Scholars then practice solving problems...
5:46
Lesson Planet

Find Radian Measure by Dividing Arc Length by Radius

For Teachers 9th - 12th Standards
In an approach that meshes higher-level thinking with approachable methods, this presentation walks that fine line between mathematical rigor and applications with skill. Not only are the specific steps for finding the radian measure of...
Lesson Planet

Suitcase Circle

For Teachers 9th - 12th Standards
Analyze patterns in a circular arrangement. After using a geometric construction to complete a circle, learners use proportional reasoning to make predictions. By determining the length of an arc built from suitcases, they estimate the...
Lesson Planet

Angles and Arcs

For Students 10th
In this angles and arcs worksheet, 10th graders solve 18 various types of problems related to determine various angles and arcs of a circle. First, they find the measure of each angle and arc of the first circle shown. Then, students...
12:15
Lesson Planet

Intersecting Secants and Tangents with the Vertex On, Inside, and Outside the Circle

For Students 9th - 12th Standards
Prepare classes for the many segment and angle relationships within circles. The video lesson examines the relationship between secants, tangents, angles, and arcs. The instructor works through examples to demonstrate the relationships.
Lesson Planet

Small Angle Calculations

For Teachers 4th - 7th
Students work with circles, angles and estimating angles in the night sky. In this circles and angles lesson plan, students practice measuring a degree using the circumference of a circle and apply the degree to determine a way to use...
Lesson Planet

Arc Length and Area of a Sector

For Teachers 9th - 11th Standards
What do skateboarding and baked goods have in common with math? You can use them to connect half-pipe ramps and cakes to arcs and sectors. Pupils compare the lengths of three different ramp options of a skate park. They calculate the...
6:50
Lesson Planet

Degree Measure of an Arc

For Students 9th - 12th Standards
Circular patterns and movement are commonplace in our world. Young mathematicians begin their study of circles with instruction on finding the degree measure of both major and minor arcs. Examples focus on the arc in relation to the...
1 In 1 Collection
EngageNY

The Angle Measure of an Arc

For Teachers 9th - 10th Standards
How do you find the measure of an arc? Learners first review relationships between central and inscribed angles. They then investigate the relationship between these angles and their intercepted arcs to extend the Inscribed Angle Theorem...
6:09
Lesson Planet

Arc Length

For Students 9th - 12th Standards
Don't let your classes feel like they are going in circles. The video lesson shows pupils how to apply a formula to finding the length of an arc defined along a circle. The instructor uses three different examples to illustrate the...
1 In 1 Collection
EngageNY

Similar Triangles in Circle-Secant (or Circle-Secant-Tangent) Diagrams

For Teachers 9th - 12th Standards
First angle measures, now segment lengths. High schoolers first measure segments formed by secants that intersect interior to a circle, secants that intersect exterior to a circle, and a secant and a tangent that intersect exterior to a...
Lesson Planet

Arc Length

For Students 9th - 12th Standards
Determine a fractional distance around the circumference. The resource presents two questions involving arc length. The measures of the central angles are given in degrees. Pupils determine the arc length in terms of pi for one problem...
1 In 1 Collection
EngageNY

Secant Lines; Secant Lines That Meet Inside a Circle

For Teachers 9th - 12th Standards
Young mathematicians identify different cases of intersecting secant lines. They then investigate the case where secant lines meet inside a circle.
Lesson Planet

Area and Circumference of Circles

For Students 8th - 10th Standards
Don't go around and around, help your class determine amounts around and in a circle with a video that connects circumference to the perimeter or the distance around an object. The resource includes 14 questions dealing with circles and...

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