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20 questions
Finding angle measures formed by two intersecting chords
Finding the lengths of the segments formed by two intersecting chords

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I wrote this worksheet so that my students could derive the relationship between the lengths formed when two chords of a circle intersect inside of a circle. Typically, this relationship is expressed in texts as ab = cd, where one chord is made up of segments of lengths a and b, and the second is m

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This worksheet is designed to replace a lecture on the topic of intersecting chords, tangents, and auxiliary lines. Students use auxiliary lines and the exterior angle theorem to develop the formulas for angle and arc relationships.
I start out class with a 15-minute "mini-lesson," giving my stude

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GeoGebra is an interactive geometry, algebra, statistics and calculus application, intended for learning and teaching mathematics. This activity allows students to investigate the intersecting chords theorem (or chord theorem) in circles using the GeoGebra application.

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VA SOL:

This 60 question final exam for Geometry works well as a final assessment or as practice for a state test. An editable version is included so you can easily make multiple versions or customize to fit your needs! PowerPoint and Equation Editor (usually built in to PowerPoint) are required to edit th

Also included in: Geometry Curriculum

Arcs and Angles in Circles Scavenger Hunt
This scavenger hunt activity consists of 20 problems in which students will practice finding the measures of angle and arc measures in circles given the following:
- Central angles
- Inscribed angles
- Inscribed angles that intercept a diameter.
- Inscrib

Also included in: Geometry: Circles Activities Bundle

This Circles Unit Review Escape Room Activity is a fun and challenging way for students to review concepts taught throughout the circles unit in Geometry.There are 6 challenge puzzles included, each revealing a 3-digit, 4-digit, 4-letter, or 5-letter code. Detailed directions on how to prep and asse

Circles Review (Arcs, Angles, Special Segments) Flip Book
Students can use this flip book to review concepts taught during the circles unit, including:
-Identifying Parts of Circles: Center, Chord, Diameter, Radius, Central Angle, Inscribed Angle, Major Arc, Minor Arc, Semicircle, Secant, Tangent

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Also included in: Geometry: Circles Activities Bundle

Segment Lengths in Circles (Chords, Secants, and Tangents) Task Cards
Through these 20 task cards, students will practice finding segment lengths in circles created by intersecting chords, intersecting secants, and intersecting tangents and secants. Both linear and quadratic equations included. Thi

Also included in: Geometry: Circles Activities Bundle

Circles (Arcs, Angles, Chords, Tangents, Secants) Koosh Ball Game
Arcs, angles, chords, tangents, secants, OH MY! This PowerPoint game is sure to help your students sort out all the rules, while having a blast at the same time. There are 50 total questions that cover the following concepts:
-Cen

Also included in: Geometry: Circles Activities Bundle

Segment Lengths in Circles Puzzle
This cut-out puzzle was created to help students find segment lengths in circles created by intersecting chords, secants, and tangents. Students must be able to solve multi-step linear and quadratic equations.
Students solve each problem, then cut out the squares

Also included in: Geometry: Circles Activities Bundle

Arc and Angle Measures in Circles Bingo
This is a PowerPoint game is a super fun way for students to practice solving for arc and angle measures in circles created by intersecting chords, secants, and tangents. This includes the following situations:
-Chords and/or secants intersecting inside the

Also included in: Geometry: Circles Activities Bundle

Circles - Geometry "B" Unit Eight: Circles Bellwork/Exit Cards/Station Questions
There are four different documents in this zip file:
The first is a set of 18 Bellwork ( sometimes called bell ringers, warm-ups, entrance tickets or class starters) questions that are presented in two different ways

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Also included in: Geometry ENTIRE YEAR Bellwork Station Cards BUNDLE!

Segment Lengths in Circles (Chords, Secants, and Tangents) Maze
Students will practice finding segment lengths in circles created by intersecting chords, intersecting secants, and intersecting tangents and secants. The answers they get will help them navigate through the maze. This activity was de

Segment Lengths in Circles (Chords, Secants, and Tangents) Pyramid Sum PuzzleStudents will practice finding segment lengths in circles created by intersecting chords, intersecting secants, and intersecting tangents and secants. Simply give each student the template and set of problems. They solve

This circles foldable has three flaps. The three flaps are: Intersecting Chords Theorem, Secant-Secant Theorem, and Secant-Tangent Theorem. Under each flap is the theorem and an example.
You have the option to choose the "fun" handwriting font, or a plainer font for the cover flaps. You can also

This file contains 20 application and practice circle worksheets. Included are all formulas necessary to solve circle problems, circle problems involving area and circumference, arc length, sectors, intersecting chords, secants and tangents. Twelve of the pages are devoted to SAT (standardized test

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Circles: My Favorite No!
Geometry practice for grades 8-12.
Promote class discussion and student's analytical thinking while practicing concepts related to circles! Circles: My Favorite No! is an activity that can be used as a warm-up, or as an exit ticket/closure activity for eleven different con

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This foldable contains the following theorems with examples:
--Intersecting chords theorem
--Secant and Tangent Theorem
--Intersecting Secants Theorem

Students will work to complete an assortment of review questions covering each of the topics below. Once they find the correct answer, they will place it in the corresponding box on the Sudoku board! Once all solution answers are in place, students can work to solve the Sudoku puzzle!
In order to

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CCSS:

This is a copy of the student notes and reference sheet I provide my students with at the start of class. I run the formulas reference sheet off on a separate, colorful page, so that students can easily find it for reference.
Then I go over the first page with them, basically showing them how to a

When my Geometry students are learning to apply concepts involving circles: graphing circles, writing equations of circles, inscribed angles and intercepted arcs, power-secant formulas, intersecting chords, arc lengths, and areas of sectors, they need a lot of assistance from me and other students.

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