Interactive
Curated OER

Hyphens and Capitalization in Headings

For Students 3rd
This is more than a activity, this is a full college style list of all the rules related to hyphens and capitals one would need to write excellent papers. You can use this resource to inform your own writing, or to enhance your learner's...
Lesson Plan
Curated OER

Geometry Journal: Isosceles Triangles

For Teachers 10th - 12th
In this isosceles triangles worksheet, students justify and determine the symmetry of an isosceles triangle. They explore the bisector of rectangles. This three-page worksheet contains two problems. Answers are listed on page three.
Worksheet
Curated OER

Archimedes

For Students 7th - 8th
In this Archimedes worksheet, students complete and respond to 4 different problems related to different triangles. First, they find the midpoint of each side of a given triangle. Then, students connect the midpoints with the opposite...
Worksheet
Curated OER

Use Proportions - Problem Solving 17.5

For Students 6th
In this proportions worksheet, 6th graders use the problem solving steps of understand, plan, solve and look back to solve a story problem using proportions.
Worksheet
Curated OER

Compare and Order Fractions and Decimals

For Students 6th
In this compare and order fractions and decimals practice worksheet, 6th graders sharpen their problem solving skills as they solve 6 story problems.
Worksheet
Curated OER

Volume

For Students 4th - 7th
In this finding volume practice learning exercise, learners sharpen their problem solving skills as they solve six story problems.
Worksheet
Curated OER

Classify Triangles

For Students 4th - 7th
Here is a classifying triangles practice worksheet in which learners sharpen their problem solving skills as they solve six story problems.
Assessment
Mathematics Assessment Project

Hopewell Geometry

For Students 8th - 10th Standards
Right triangles from 2,000 years ago? Learners investigate different right triangles found in the earthworks of the Hopewell people, a Native American culture that populated the United States from 200BC to AD 500. Learners apply concepts...
Worksheet
Curated OER

Constructions and Loci

For Students 9th - 10th
In this geometry worksheet, students construct polygons and calculate the different angles formed by each shape. They construct circles, trapezoids, and rectangles and answer 20 questions.
Worksheet
Math eBook

Perimeter Worksheet

For Students 7th - 8th
In this perimeter instructional activity, students find the perimeter of given regular and irregular polygons. This four-page instructional activity contains 20 problems. This interactive instructional activity may be completed online or...
Worksheet
Curated OER

Quadratics with Irrational Solutions

For Students 8th - 11th
In this algebra worksheet, students apply the concepts of a right triangle to help them solve for the missing sides of a triangle. They use the quadratic formula to solve word problems. There are 5 problems with an answer key.
Lesson Plan
Curated OER

Study Buddies: Perimeter

For Teachers 2nd - 3rd
In this math worksheet, students will work with a coach to find the perimeter of different shapes. Students will follow a step-by-step process and notes are provided for the coach.
Worksheet
Center for Innovation in Mathematics Teaching

Trigonometry

For Students 9th - 12th Standards
This unit covers the basic trigonometry including understanding radians, how to convert between radians and degrees, the area of a circle subtended by an angle, basic properties and graphs of sine, cosine, tangent, and solving...
Worksheet
Curated OER

Chords of Circle

For Students 10th
In this geometry worksheet, 10th graders solve problems using parallel chords, perpendicular bisectors and chords that are equal distance from the center.
Worksheet
Curated OER

Trigonometric Triangles

For Students 9th - 11th
In this trigonometry worksheet, students find the missing angle and sides given the 6 trigonometric values. There are 6 questions with an answer key.
Worksheet
Curated OER

Water on Mars!

For Students 10th - 12th
In this water on Mars worksheet, students use a diagram to answer four questions about the structures in the image. They find the dimensions of the image, the width of the streams half-way down their flow channels, the smallest feature...
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...
Worksheet
Curated OER

Midpoints and Bisectors

For Students 9th - 10th
In this geometry worksheet, students calculate the midpoints of polygons using coordinate pairs. They find the  angle bisector, altitude and median of the given triangles. There are 33 questions.
Worksheet
Curated OER

Triangles

For Students 10th
In this triangles worksheet, 10th graders solve and complete 22 different problems related to various types of triangles. First, they name the shortest and longest sides and the smallest and largest angles in each of triangles...
Worksheet
Curated OER

Solve Word Problems with Geometry

For Students 7th - 12th
In this geometry instructional activity, students solve word problems having to do with lines, angles, shapes, area, perimeter, and more. Students complete 57 problems total.
Worksheet
Curated OER

Right Triangle Trigonometry

For Students 12th
In this trig learning exercise, 12th graders identify the angles of a tight triangle using sine, cos and tan combined with the given sides. There are 23 problems broken down in 4 sections.
Worksheet
Curated OER

LRO-Searching for Lunar Boulders

For Students 8th - 12th
In this lunar boulders worksheet, students use an image taken by the LRO satellite of the surface of the moon to find the scale of the image and determine the number of boulders and their approximate sizes.
Worksheet
Curated OER

Data Management and Probability: Applications

For Students 8th
In this data management and probability applications worksheet, 8th graders solve 20 various types of probability problems. They find the mean, median, mode and range of various numbers. Then, students use the spinner illustration to...
Worksheet
Curated OER

Basic Theorems and Proofs

For Students 11th
In this pre-calculus worksheet, 11th graders recall the three forms of the law of cosines and used it to solve problems involving triangles. They also write out the laws of sines and use those to solve problems with angles. There are 15...

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