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Lesson Plan
Curated OER

Isosceles Triangle Theorem

For Teachers 8th - 9th
In this geometry worksheet, students differentiate between isosceles and regular triangles. They calculate the area and perimeter of the triangle. There are eleven questions with an answer key.
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Lesson Plan
Curated OER

Tracing Highs and Lows in San Francisco

For Teachers 9th - 12th
On a topographic map, young scholars identify the scale bar, north arrow, and contour interval. They then locate a hill on the map and make note of the contour lines. Students then locate other places with similar contour line patterns....
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Lesson Plan
Curated OER

Explorations in Measurement

For Teachers 4th - 6th
Students define length and area. They identify materials that can be measured with a rule and yardstick. They measure length and area when given an object.
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Lesson Plan
Curated OER

How Long...?

For Teachers 3rd - 5th
Students explore measurement. They use appropriate units of measurement for different sized objects. Students collect their data and enter it into an Excel data base. They graph their findings and analyze their outcomes.
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Worksheet
Curated OER

Perimeter, Area and Volume

For Students 10th
In this geometry worksheet, 10th graders solve problems by finding the perimeter, area and volume of polygons. There are 17 questions with an answer key.
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Worksheet
Math eBook

Perimeter Worksheet

For Students 7th - 8th
For this perimeter worksheet, students find the perimeter of given regular and irregular polygons. This four-page worksheet contains 20 problems. This interactive worksheet may be completed online or printed for paper use.
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Worksheet
Raytheon

Geometry: Circles

For Students 6th - 8th
In this geometric circumference worksheet, 8th graders calculate the circumference of each of the 18 circles. The remaining pages of the worksheet include formulas and lesson ideas on finding the circumference of circles.
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Worksheet
Curated OER

Math Regents Exam Questions: Surface Area and Volumes

For Students 9th - 12th
In this surface area and volume worksheet, students solve 4 short answer and multiple choice problems.  Students find the volume and surface area of cylinders and prisms.
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Worksheet
Math Mammoth

Finding the Area of Rectangles, Parallelograms, and Triangles

For Students 9th
In this area of polygons activity, 9th graders solve two area of rectangles, one area of parallelogram, and ten area of triangles problems.  The formulas for finding the area of these figures are provided.
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Worksheet
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Curated OER

Direct Variation

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students solve problems involving direct variation.  The two page worksheet contains a combination of twelve multiple choice and free response questions.  Answers are included. 
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Lesson Plan
Curated OER

Area of Polygons #2

For Teachers 7th - 9th
In this area of polygons worksheet, students find the area of rectangles.  They find the width when given the area.  Students graph rectangles and solve word problems involving rectangles.  This three-page worksheet contains 13...
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Lesson Plan
Curated OER

Inferring Height From Bone Length

For Teachers 5th - 8th
Students determine the relationship between bone length and height. In groups, they are told the race and gender of the individual and discuss how this affects height. They measure the lengths of the bones in metric measurements and...
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Lesson Plan
Curated OER

Estimation Challenge

For Teachers K - 2nd
Students calculate the length of the classroom using non-standard units of measurement and estimation. Using a cracker box, they discuss measuring various objects in the room as a class, and independently estimate and measure the length...
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Lesson Plan
Curated OER

Understanding And Measuring Matter

For Teachers 1st
First graders observe ice melting and water evaporating. They experiment with sugar and water and read the poem "Matter Really Matters." They define vocabulary words and sing a matter song.
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Worksheet
Math Mammoth

Circle

For Students 7th - 8th
For this circle worksheet, students find the area and circumference of circles and compare their size using percents. Students determine the are of composite figures made of circles and rectangles. This one-page worksheet contains six...
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Lesson Plan
Curated OER

Bottle Habitat

For Teachers 5th - 6th
In groups of four, students construct aquatic habitats in pop bottles. They create charts and record data from observations over a four week period. Then they graph their data and write explanations for what they observed.
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Lesson Plan
Curated OER

Taking Account of Water

For Teachers 5th - 8th
Students discover how much water they actually use and investigate the need for water conservation.
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Lesson Plan
Curated OER

I've Got That Sinking Feeling

For Teachers 6th - 8th
Students design a simple boat and predict how much weight it can carry. They should also discover why objects float or sink and how this can be determined experimentally. A great lesson on buoyancy!
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Lesson Plan
Curated OER

Geoboard Area

For Teachers 3rd - 6th
Students explore the basic geometric shapes and geometric shape vocabulary through the use of geoboards and virtual geoboards. They create a variety of shapes with a partner, build ten different rectangles on their geoboards, and...
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Worksheet
Curated OER

Simplifying Ratios

For Students 10th
In this simplifying ratios worksheet, 10th graders solve and complete 24 various types of problems. First, they complete each ratio and reduce when necessary. Then, students find the length and width of each rectangle described. They...
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Lesson Plan
Curated OER

Area of Polygons #5

For Teachers 9th - 12th
Learners explore the concept of area.  In this area worksheet, students find the area of trapezoids given a drawing and given equations of lines.  Learners answer 9 multiple choice problems.
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Worksheet
Curated OER

Surface Area

For Students 10th
In this geometry instructional activity, 10th graders define surface area, net and lateral face. They calculate the surface areas of cones, prisms and cubes. There are 9 surface area questions.
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Lesson Plan
Curated OER

What's Your Angle?

For Teachers 3rd
Third graders read the story, Magic Schoolbus Inside the Human Body. Then they form right, acute, and obtuse angles using the joints inside their bodies. They write a brief summary about what they learned about angles as a review the...
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Lesson Plan
Curated OER

Terror in Space

For Teachers 5th - 12th
Students view a video clip about the role of satellites in space. They examine the concept of center of mass. They participate in an experiment showing how altering the location of an object's center of mass can change its motion.