High schoolers use principles of geometry to measure the circumference of the Earth. In this applied geometry lesson, students use mathematics to determine scientific information. They make measurements, calculate the central angle,...

In this instructional activity about geometry, students learn about circumference. Students are required to find circumference of pies in this instructional activity. There are eight problems in this instructional activity. As a bonus...

Tenth graders explore and define the radius and diameter of a circle. In this geometry lesson, 10th graders calculate the circumference and area of a circle using real world objects and shapes. They discuss chords and lines tangent...

Students Fulfill the requirements of Texas Standards as it relates to math and science. In this circle lesson, students identify the arcs and angles of a circle as it relates to Pi. They solve real life scenarios using space as an example.

Students find the areas of geometric shapes. In this geometry lesson students find and measure the sides, perimeters, and areas of quadrilaterals, triangles, and circles. Students relate the measures to the others by using formulas.

In this walk around the earth problem, students determine how much farther your head travels than your feet. They use the circumference of the earth and pi to determine the distance traveled. This one page activity contains one...

In this state testing worksheet, middle schoolers solve problems on a variety of topics studied throughout the year.  They find the median, solve algebraic equations, solve proportions, simplify expressions, find percents, and...

In this theorems and formulas for circles worksheet, 10th graders solve and complete 13 different types of problems. First, they create a graphic organizer for all the given formulas for circles. Then, students use the labeled pictures...

Students find the different ratios of a right triangle. In this geometry lesson, students apply the concept of the Pythagorean theorem as they identify the different angles and parts of a Unit Circle. They find the ratios of sine,...

In this integers and measurement worksheet, students solve 24 various types of problems as defined. They reduce all fractions to lowest terms. Then, students draw a diagram and show the measurements to the proper power and pi for the...

Using a similar process from the first instructional activity in the series of finding area approximations, a measurement resource develops the proof of the area of a circle. The problem set contains a derivation of the proof of the...

Elementary schoolers practice measuring a soap bubble print. They follow a recipe to make a soap bubble solution. Pupils use the soapy solution to blow large bubbles with a plastic drinking straw until they pop leaving behind a circular...

"Ordinary" bicycles are not so ordinary. Learners use given information to determine the circumference of wheels for a historic Ordinary or Penny Farthing bicycle. Pupils then determine the number of times each wheel turns when the...

Sometimes it's how you ask the question that counts. The sixth installment of nine from the Smarter Balanced Claim 1 Slideshow series presents a set of 13 questions to assess understanding of angle relationships as well as area and...

This slide-show is packed with information relating to a variety of mathematical concepts. Intended as an accompaniment to a full unit, this resource provides definitions, explanations, and opportunities for learners to practice their...

All the 2-D and 3-D measurement work you need is in one location. Divided into three sections, the geometry lesson plans consist of visualization of three dimensions, classifying geometric figures, and finding surface area and volume....

In this geometry worksheet, students solve problems by finding the diameter, radius and chord of a circle. They also solve for the area of the circle. There are 10 questions with an answer key.

For this consumer math worksheet, students count the number of butterflies in a group and draw a line to match the same number of flowers in a group. Students match four groups so that there is the same number of butterflies as flowers...

Students analyze characteristics of various 2 dimensional shapes and explore their properties and use various vocabulary terms to discuss geometric relationships.

Students analyze and demonstrate how a circle can be measured in square units and examine how diameter, circumference and radius are related.

In this circle worksheet, students solve 8 problems: finding percentage increase, finding differences in area and perimeter, finding circumference and area.

Use this geometry worksheet to have learners locate and identify various vocabulary terms related to mathematics. There are seven words/phrases located in the puzzle.

Students calculate the circumference and diameter of a circle. In this geometry lesson, students construct a circle and calculate the distance of different sizes of circles. They define the relationship between the diameter and the...

Fifth graders explore geometry by exploring Pi. In this circle measurement lesson, 5th graders identify the relationship between the radius, diameter and circumference of a circle and how Pi is the key to unlocking any circular...