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Lesson Plan
Curated OER

Patterns in the Sums of Polygon Angles

For Teachers 6th
Sixth graders discover the patterns of sums of polygon angles. In this math lesson, 6th graders study the properties of geometric shapes to solve problems as they participate in hands-on activities.
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Worksheet
Curated OER

Angles of Time

For Students 4th - 5th
In this angles of time instructional activity, learners draw an hour hand on a clock to represent given angles and show a time, then "write about it." Answers included on page 2.
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Interactive
Curated OER

Have You Got The Angle?

For Students 5th - 6th
In this angle worksheet, students complete a set of 10 multiple choice questions. An answer link is provided; page is labeled as a "post test."
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Worksheet
Curated OER

Angles, Bearings and Maps

For Students 9th - 12th
In this secondary mathematics worksheet, students determine how many independent angles are in a diagram, bearings, and flight paths. The four page worksheet contains seven problems. Answers are provided. 
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Worksheet
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Vertical Angles 2

For Students 3rd - 5th
In this vertical angle activity, students use their knowledge of vertical angles to find measurements of all angles present.
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Lesson Plan
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Twenty-Five Measures of the Angles of a Triangle Problems

For Teachers 9th - 10th
For this triangle worksheet, students calculate the measures of the angles or the sums of the measures of the angles in twenty-five triangle problems and hands-on activities.  The solutions are provided.
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Lesson Plan
Curated OER

Arc Measurement Based on The Measurement of a Central Angle

For Teachers 9th - 10th
Students define keywords that are important to solve problems. In this geometry lesson, students find the arc length and angle of a circle. They convert between radians and degrees.
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Worksheet
Curated OER

Geometric Proof and Angles

For Students 10th
In this geometry worksheet, 10th graders write two-column and paragraph proofs to prove angle pair relationships.  The one page worksheet contains five problems.  Answers are not included. 
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Lesson Plan
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Analyzing Body Angles

For Teachers 10th - 12th
Students investigate angles of polygons. In this geometry lesson, students identify the relationship between angles and the number of sides in a polygon. They differentiate between sumilarity anf congruence in angles and sides.
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Worksheet
Curated OER

Angle Sum and Difference

For Students 11th
In this angle sum and difference activity, 11th graders solve 10 different problems related to determining the angle sum and difference of numbers. First, they determine the exact value of sine and cosine degrees. Then, students utilize...
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Worksheet
Curated OER

Alternate Angles

For Students 4th - 5th
In this alternate angles instructional activity, students use their knowledge of alternate angles to determine the measurements of the angles that are marked with a question mark.
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Worksheet
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Alternate Angles 2

For Students 4th - 6th
In this alternate angle worksheet, students use their knowledge of alternate angles to determine the measurements of angles marked with a question mark.
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Worksheet
Curated OER

Corresponding Angles

For Students 4th - 6th
In this corresponding angles activity, learners use their knowledge of corresponding angles to determine the measurements of angles marked with a question mark.
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Worksheet
Curated OER

Pairs of Angles Homework

For Students 9th - 10th
In this algebra worksheet, students identify the missing angles. They use properties of angles, linear pair and vertical angles to find their missing measurement. There are 14 questions.
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Worksheet
Curated OER

Half Angle Formula

For Students 9th - 11th
In this half angle formula worksheet, students use half angle formulas to find the value of given angles. This one-page worksheet contains 1 multi-step problems.
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Lesson Plan
Curated OER

Double-Angle and Half-Angle Formulas

For Teachers 12th - Higher Ed
In this college level Pre-Calculus worksheet, learners use the double-angle and half-angle formulas to evaluate trigonometric expressions and solve trigonometric equations. The six page worksheet contains fifty-six problems. Answers are...
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Worksheet
Curated OER

Four Coterminal Angle Problems

For Students 11th - Higher Ed
In this coterminal angle activity, students find two positive and two negative coterminal angles for the provided degree measure.  The solutions are not provided.
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Lesson Plan
Curated OER

Half Angle

For Teachers 9th - 12th
Learners calculate the solution using half angles formulas. In this calculus lesson, students identify the different properties of a triangle using trigonometric properties. They identify the mean, altitude and angles of a triangle.
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Worksheet
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Alternate Angles

For Students 5th - 10th
In this alternate angles worksheet, students find the measurement of the alternate angles in each problem. Students complete 6 problems.
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Lesson Plan
Curated OER

Polygon Angle Partners

For Teachers 5th - 6th
In this math worksheet, students analyze 6 geometric figures. Students label each polygon with its name and measure each inside angle. Students are instructed to compare their measurements with those of a partner.
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Worksheet
Curated OER

Pairs of Angles

For Students 9th - 10th
In this geometry learning exercise, students identify angles formed by intersecting lines. They apply the properties of angles do identify the missing measures. There are 12 questions.
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Worksheet
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Angle Formulas

For Students 9th - 10th
In this geometry worksheet, students identify the different properties and characteristics of a circle. They use angle formulas to solve for the missing angles. There are 20 questions.
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Lesson Plan
Curated OER

Measuring Body Angles

For Teachers 8th - 10th
Students use technology to graph and compare angles. In this geometry lesson, students range of motion in the environment. They identify the missing parts of polygons using similarity and congruence.
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Worksheet
Curated OER

Find Missing Angles of Triangles

For Students 5th - 6th
In this triangles worksheet, students find the missing angles of a set of 4 triangles. Answers are included on page 2.

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