Worksheet
Curated OER

Area Puzzles

For Students 5th - 6th
In this area puzzle activity, students the area in square units of 3 triangles, then use those areas and line segments to find find the area of a different set of figures. 
Worksheet
Curated OER

Law of Sines and Cosines

For Students 10th - 12th
In this sine and cosine instructional activity, students solve given triangles using the law of sines and cosines. They determine the area of triangles. This three-page instructional activity contains 12 multi-step problems.
Assessment
Balanced Assessment

Walkway

For Students 6th - 8th
Evaluate different aspects of geometry with one task. An assessment activity prompts learners to determine the area of a pathway in the shape of a parallelogram. The Pythagorean Theorem and area formulas for various polygons provide the...
Assessment
Noyce Foundation

Pizza Crusts

For Teachers 6th Standards
Enough stuffed crust to go around. Pupils calculate the area and perimeter of a variety of pizza shapes, including rectangular and circular. Individuals design rectangular pizzas with a given area to maximize the amount of crust and do...
Worksheet
Curated OER

Area of Triangles

For Students 5th - 6th
In this area worksheet, students calculate the area of 4 triangles, writing answers in rectangles beneath each triangle. A reference web site is given for additional activities.
Worksheet
Curated OER

Bermuda Triangle: Map Activity

For Students 4th - 5th
In this Bermuda triangle worksheet, students complete a set of 4 questions using a given map of the Bermuda triangle. Answers are included on page 2.
Worksheet
Curated OER

Leveled Problem Solving Areas of Triangles and Trapezoids

For Students 6th
In this geometry learning exercise, 6th graders calculate the area of triangles and trapezoids using the given formulas. They use the formulas to find measurements of lines that are part of the triangles and trapezoids.
Worksheet
Curated OER

Area and Perimeter of Triangles

For Students 5th - 6th
In this area/perimeter worksheet, learners find perimeter and area of 6 given triangles. An answer key is included on page 2.
Lesson Plan
Curated OER

Twenty-Five Measures of the Angles of a Triangle Problems

For Teachers 9th - 10th
In this triangle worksheet, pupils 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.
Worksheet
Curated OER

Perimeter and Area of Triangles [C]

For Students 5th - 6th
In this triangle instructional activity, students find the perimeter and area for a set of 4 triangles. Answers and a link to additional worksheets are included.
Worksheet
Curated OER

Perimeter and Area of Triangles [D]

For Students 5th - 6th
For this triangle worksheet, students find the perimeter and area for a set of 4 triangles. Answers and a link to additional worksheets are included.
Worksheet
Curated OER

Perimeter and Area of Triangles [E]

For Students 5th - 6th
In this triangle learning exercise, students find the perimeter and area for a set of 4 triangles. Answers and a link to additional worksheets are included.
Worksheet
Curated OER

Area and Perimeter of Various Shapes

For Students 5th - 6th
In this area and perimeter worksheet, students find each for 6 given shapes. A website reference for additional resources and an answer key are provided.
Worksheet
Curated OER

Pythagorean Theorem

For Students 10th
In this Pythagorean Theorem activity, 10th graders solve and complete 19 various types of problems. First, they draw the square shown and divide its sections as shown. Then, students cut out the 6 parts of the square and rearrange the 4...
Worksheet
Curated OER

Similar Polygons

For Students 10th
In this similar polygons instructional activity, 10th graders solve 10 different problems that include determining various similar polygons. First, they determine the perimeter of a second triangle given the measures of all angles in the...
Worksheet
Curated OER

Geometry Course Review

For Students 10th
For this geometry review set of worksheet, 10th graders solve and complete 139 various types of problems. First, they find the slope-intercept form of a line passing through a point and parallel to a line given. Then, students find the...
Worksheet
Curated OER

Geometry Standardized Test Practice

For Students 10th
In this angles and figures review worksheet, 10th graders solve and complete 39 different multiple choice problems. First, they find the length of a line between two given points. Then, students name the type of transformation and the...
Worksheet
Math eBook

Perimeter Worksheet

For Students 7th - 8th
In this perimeter activity, learners find the perimeter of given regular and irregular polygons. This four-page activity contains 20 problems. This interactive activity may be completed online or printed for paper use.
Interactive
Curated OER

Tangents

For Students 10th - 12th
In this tangents learning exercise, students use tangent ratios to find the length of the sides of right triangles. This one-page learning exercise contains 10 multi-step problems.  Answers are provided.
Worksheet
Curated OER

Circles and Squares

For Students 9th - 12th
In this area activity, students find the ratio of 1 area problem.  Students find the ratio of areas of inscribed circles to circumscribed squares.
Interactive
Curated OER

Pythagorean Theorem

For Students 6th - 10th
In this measurement learning exercise, students will be given 2 sides of a right triangle, they will determine if the missing side is a leg or the hypotenuse. They will use the Pythagorean Theorem to create an equation and find the...
Worksheet
Curated OER

Area Calculations

For Students 5th - 6th
In this area calculation activity, students calculate the area of triangles, find the length of 'x' and calculate the length of a given 'x'. A reference web site is given for additional activities.
Worksheet
Geometry Accelerated

Coordinate Geometry Additional Practice

For Students 8th - 10th Standards
Your learners get extra practice using coordinates in calculating mid points, finding end points, deciding if points are collinear, calculations using slope concepts, writing linear equations, using triangles and quadrilaterals, and...
Assessment
Mathematics Assessment Project

Geometry

For Students 7th - 8th Standards
Help learners find joy in facing mathematical challenges. The questions posed on this worksheet encourage young mathematicians to utilize skills learned throughout a geometry unit, and to apply themselves and persevere through...