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Assessment
Inside Mathematics

Rugs

For Teachers 8th Standards
The class braids irrational numbers, Pythagoras, and perimeter together. The mini-assessment requires scholars to use irrational numbers and the Pythagorean Theorem to find perimeters of rugs. The rugs are rectangular, triangular,...
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Activity
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Illustrative Mathematics

Converse of the Pythagorean Theorem

For Teachers 7th - 9th Standards
Use the given tasks and detailed teacher's commentary to introduce your 8th graders to the Pythagorean theorem and its converse. Embedded links to information about Egyptian geometry make your presentation interesting. Consider giving...
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Assessment
Noyce Foundation

Ducklings

For Teachers 6th - 7th Standards
The class gets their mean and median all in a row with an assessment task that uses a population of ducklings to work with data displays and measures of central tendency. Pupils create a frequency chart and calculate the mean and median....
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Assessment
Inside Mathematics

Graphs (2006)

For Teachers 9th - 12th Standards
When told to describe a line, do your pupils list its color, length, and which side is high or low? Use a worksheet that engages scholars to properly label line graphs. It then requests two applied reasoning answers.
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Lesson Plan
Curated OER

Supplementary, Complementary, and Vertical Angles

For Teachers 4th - 6th Standards
By using circles that they cut out and label themselves, learners literally "get a grip" on the angles they identify: supplementary, complementary, and vertical. They solve missing measurements based on properties of supplementary,...
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Lesson Plan
Curated OER

Perfection on Ice!: Math, Geometry, Fibonacci Numbers, Olympics

For Teachers 5th - 7th
Students use the human body as a foundation for gaining practice in measuring angles and calculating ratios and proportions.
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Worksheet
Curated OER

Measuring angles and segments

For Students 7th - 8th
In this middle school geometry learning exercise, students use a ruler and a protractor to measure segment length and angle size.  The one page learning exercise contains six problems.  Answers are not provided. 
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Lesson Plan
Curated OER

ARE YOU A TRIANGULATEER?

For Teachers 3rd - 6th
Students explore about triangles and their relationship to the worlld around them. They are able to identify triangular shapes in their environment. Students are able to communicate to one another their understanding of triangles outside...
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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.
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Lesson Plan
Curated OER

Angle Action

For Teachers 5th - 7th
Learners measure and label specified angles. In this angles instructional activity, students use a protractor to find angles that are acute, obtuse, and reflexive. Learners then label each angle and match the angles the correct...
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Lesson Plan
Curated OER

Angles in Triangles

For Teachers 8th
Eighth graders translate word problems using mathematical ideas. In this geometry lesson, 8th graders identify angles of triangles using equations and the triangle sum theorem. They create angles with a protractor and straight edge.
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Lesson Planet Article
Curated OER

Measuring Angles

For Teachers 3rd - 5th
Identifying and measuring angles with a protractor can provide a fun way for students to learn this mathematical concept.
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Lesson Plan
Curated OER

Angles That Pair

For Teachers 6th - 8th
Students identify angles.  In this angles that pair lesson, students identify adjacent, vertical, complementary, and supplementary angles.  They use straws, pretzel sticks to demonstrate given types of angles. 
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Worksheet
Curated OER

Aurora Borealis

For Students 9th - 11th
In this Aurora Borealis activity, students read about how early scientists used triangulation to measure the height of the Aurora Borealis. Students solve 3 problems using triangulation.
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Worksheet
Curated OER

Polygon Sum Conjecture

For Students 10th
In this geometry worksheet, 10th graders identify the missing angles using the polygons sum conjecture. They measure exterior and interior angles using their angle theorems. There are 63 problems.
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Lesson Plan
Curated OER

Similarity and Congruence

For Teachers 9th - 12th
Students determine that two figures are similar or congruent by investigating figures that are similar and figures that are congruent. They prove that two figures are similar or congruent by using definitions, postulates, and theorems.
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Worksheet
Curated OER

Seeing Solar Storms in STEREO-I

For Students 8th - 10th
In this geometric calculations of solar storms worksheet, students use a diagram indicating the location of 2 STEREO satellites, the earth and the sun to calculate the distance between a Coronal Mass Ejection and the Earth. They use...
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Worksheet
Curated OER

NY State Testting Program

For Students 7th
In this algebra worksheet, 7th graders review and practice core concepts for their 7th grade exam. They review geometry, algebra and solving word problems. This assignments contains a booklet of worksheets.
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Worksheet
Curated OER

New York State Standards

For Students 10th - 12th
In this math worksheet, students review for the high school exit exam of New York. They solve problems using algebra, geometry, and precalculus. There are 30 questions.
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Worksheet
Curated OER

New York State Testing Program, Mathematics Book 1 Grade 8

For Students 8th
In this 8th grade math test, 8th graders complete 27 multiple choice problems. Problems cover a wide variety of concepts from geometry to linear equations and computation with exponents. The test is from 2005.
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Worksheet
Curated OER

Concurrent Lines, Medians and Altitudes

For Students 9th - 10th
In this geometry worksheet, students construct angles and identify medians and altitudes. They use a compass and protractor to perform heir construction. There are 28 questions.
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Lesson Plan
Curated OER

Problem Solving Using Power Polygons

For Teachers 3rd - 10th
Students investigate geometric shapes by creating figures on a plane. In this polygon lesson, students complete a worksheet based on the angles in a power polygon. Students identify the different types of polygons and define their...
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Lesson Plan
Curated OER

Similarity and Congruence

For Teachers 9th - 12th
High schoolers explore the concept of similarity and congruence. In this similarity and congruence lesson, students identify and verify whether or not two figures are similar, congruent, or neither. High schoolers use postulates and...
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Lesson Plan
Curated OER

Similarity and Congruence

For Teachers 9th - 12th
Students explore the concept of similarity and congruence. In this similarity and congruence instructional activity, students cut out strips of paper and form a triangle. Students try to prove that their triangles are congruent using the...