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Worksheet
Curated OER

Triads - 7th Chords - Major/Minor Keys - Rhythm

For Students 7th - 12th
Budding musicians transpose chords, identify major and minor keys, and complete measures to match the shown signatures. This resource can be used as a quiz, test, or as practice for those learning how to read and write music.
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Lesson Plan
Curated OER

Looking at Circumference

For Teachers 6th - 8th
Students understand where the number for pi comes from. They understand and use the formula for circumference. Students measure the circles given out and the diameters of those circles and record the results on their worksheet.
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Worksheet
Curated OER

Circles and Cylinders

For Students 10th
In this geometry lesson, 10th graders break down a circle and identify the different parts. They discuss chords, diameter, radius, circumference, major and minor segment. There are 42 problems broken down into 5 different sections.
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Worksheet
Curated OER

Circles

For Students 7th
In this circles worksheet, 7th graders identify and complete 6 different problems that include determining various parts of a circle. First, they identify and define each circle term listed on the left. Then, students color each term...
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Worksheet
Curated OER

Segment Formulas Homework

For Students 9th - 12th
In this geometry worksheet, students examine three different diagrams and apply the appropriate formulas to each of the following situations: two chords, a tangent and a secant, and two secants. There are 17 questions to solve for the...
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Worksheet
Curated OER

Circles:Tangents and Chords

For Students 7th - 12th
In this circle worksheet, students solve classic chord-chord angle problems with the angle on, in, and outside the circle as well as chord-tangent problems. There are 20 questions. 
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Worksheet
Curated OER

Chapter 8: Circles

For Students 9th - 12th
In this circles worksheet, high schoolers define and sketch 20 terms about circles. Students sketch radii, chords, diameters, secants, concentric circles, etc.
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Worksheet
Curated OER

Congruent Chords, Parallel chords and Perpendicular Chords

For Students 10th - 11th
In this geometry worksheet, students solve problems about congruent, parallel, and perpendicular chords and bisectors.  There are 9 problems with an answer key.
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Lesson Plan
Curated OER

Segments Formed by Intersectiong Chords, Secants, and Tangents

For Teachers 9th - 12th Standards
Learners investigate the properties of segments formed which chords, secants, and tangents, intersect. The dynamic nature of Cabri Jr. allows students to form and verify conjectures regarding segment relationships.
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Lesson Plan
Curated OER

Cabri Jr. Perpendicular Bisector of a Chord

For Teachers 9th - 12th Standards
Your learners will construct the perpendicular bisector of a chord. They use Cabri Jr. to construct a circle and a perpendicular bisector of a chord. They then measure lengths of the chords and perpendicular bisectors. Learners use...
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Lesson Plan
Curated OER

Perpendicular Segments in a Circle

For Teachers 9th - 12th Standards
High schoolers explore the concept of circles as they construct a circle using a program such as Cabri Jr. Learners construct a chord and a diameter that are perpendicular, then measure the bisected chord and notice that both sides of...
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Worksheet
Curated OER

Circles

For Students 10th
In this circles worksheet, 10th graders solve and complete 13 various types of problems. First, they solve each set of triangles for the given variable. Then, students name a radius, a diameter, a tangent, a secant, a point of tangency,...
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Worksheet
Curated OER

Tangent Lines

For Students 10th
In this tangent lines worksheet, 10th graders solve and complete 13 various types of problems. First, they solve the right triangles for the variables shown. Then, students name a radius, a diameter, a tangent, a secant, a point of...
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Worksheet
Curated OER

Circles

For Students 10th
In this circles worksheet, 10th graders solve and complete 20 different problems related to various circles. First, they find the radius and diameter of a circle with a given circumference. Then, students determine the measure of each...
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Worksheet
Curated OER

Geometry Review

For Students 10th
For this geometry review worksheet, 10th graders solve and complete 33 different problems that include identifying various geometric figures and parts of a circle. First, they find the radius of each circle given its diameter. Then,...
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Worksheet
Curated OER

Tangents, Secants, and Chords

For Students 10th
For this tangents, secants and chords worksheet, 10th graders identify and solve 48 different problems that include using 3 different theorems for defining circles. First, they determine the area of each circle with C as the center and a...
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Worksheet
Curated OER

Circles

For Students 10th
In this circles instructional activity, 10th graders solve 10 different problems that include determining the chords, secants, and tangents of circles shown. First, they determine 4 different line segments given a circle with secants and...
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Lesson Plan
Curated OER

Airplane Wings

For Teachers 7th - 12th
Students examine the aerodynamics of a wing and how it generates lift.  In this flight lesson students complete several experiments including how to build a paper plane and how airfoils affect performance.
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Worksheet
Curated OER

Arcs and Chords

For Students 9th - 10th
In this circles worksheet, students find missing arc lengths and chords.  Students also find the length of radii in three problems.
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Worksheet
Curated OER

Arcs and Chords Homework

For Students 9th - 12th
In this geometry worksheet, students examine a circle with chords and apply formulas to solve for the missing segments or arc. There are 9 questions.
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Lesson Plan
Curated OER

Chors, Secants, Tangents

For Teachers 9th - 12th
Students identify the relationship between chords, secants and circles. In this geometry lesson, students calculate the length of the chords. They sketch the secant lines on a circle.
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Worksheet
Curated OER

Circles

For Students 10th
In this geometry worksheet, 10th graders apply the circle segment theorems to determine the indicated segment length. The one page worksheet contains twenty problems. Answers are not provided.    
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Lesson Plan
Curated OER

Tangent Properties

For Teachers 9th - 12th
Students explore properties of tangent lines.  In this properties of tangent lines lesson, students discuss the perpendicular relationship between a tangent line on a circle and the circle's radius.  Students use that relationship to...
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Worksheet
Curated OER

Analyzing Songs- Eleanor Rigby by the Beatles, and Le Marteau san Maitre by Boulez

For Students 9th - 11th
For this song analysis worksheet, student examine the tonal structures, chords, melodies, and rhythm structures of two pieces of music. They examine "Eleanor Rigby" by the Beatles, and "Le Marteau san Maitre" by Boulez.