+
Lesson Plan
Curated OER

Lesson 9-3 Practice B: Composite Figures

For Teachers 9th - 12th
In this composite figures worksheet, young scholars solve 11 short answer problems. Students find the area of figures composed of various polygons. Young scholars find the area of each figure given a sketch of the figure with various...
+
Worksheet
Curated OER

Area of a Circle Worksheet

For Students 6th
In this geometry worksheet, 6th graders identify the area of the four given circles by using the given diameters. There is a space for students to show their work.
+
Organizer
Curated OER

Calculate the Area

For Students 6th
In this area of a circle worksheet, 6th graders must calculate the area of 5 circles given either the radius or diameter. Students must write the area on the line provided and a blank space is provided for students to work out the...
+
Worksheet
Raytheon

Geometry: Circles

For Students 6th - 8th
For 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.
+
Worksheet
Raytheon

Geometry: Perimeter and Area

For Students 5th - 8th
In this geometry worksheet, young mathematicians apply the formulas for the area and perimeter of polygons and circles to solve a variety of skills practice and problem-solving questions.
+
Lesson Plan
Curated OER

The Area of a Circle

For Teachers 8th
Eighth graders find the circumference and diameter of several lids, show the relationship of the two measurements and derive the formula for finding the area of a circle. In this area of a circle lesson plan, 8th graders find...
+
Lesson Plan
Texas Instruments

Area of Circles

For Teachers 9th - 12th Standards
Students explore circles. In this algebra/geometry lesson, students discover the formula for the area of a circle, as they investigate the ratio of the area of a circle to the radius^2.
+
Worksheet
Curated OER

MCC - 1106 Word Search

For Students 9th - 10th
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.
+
Worksheet
Curated OER

Skills Practice: Area of Circles

For Students 7th - 8th
Two practice pages with 10 problems each show circles and give their radii. Learners calculate the area. Answers are provided. 
+
Interactive
Curated OER

Word Problems that involve Circles

For Students 9th - 12th
In this online math worksheet, students solve word problems the involve circles. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
+
Interactive
Curated OER

Area of Circle Worksheets

For Students 10th
In this geometry learning exercise, 10th graders calculate the area of circle give either the radius or the diameter. The one page interactive learning exercise contains ten questions. Answers and  hints are included. 
+
Interactive
Curated OER

Area of Shaded Regions that involve Circles

For Students 9th - 12th
In this online math activity, students determine the area of shaded regions within a circle. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
+
Interactive
Curated OER

Circle Problems - Radius, Diameter, Circumference and Area

For Students 9th - 12th
In this online math worksheet, high schoolers determine the radius, circumference, diameter and area of circles. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
+
Lesson Plan
Curated OER

Pushing Pivots

For Teachers 8th - 10th
Students calculate the area and diameter length of a circle. In this geometry instructional activity, students investigate the use of pivots as they review parts of a circle. They create a circle using cardboard and label all the parts.
+
Lesson Plan
Curated OER

The Capacity of Planets

For Teachers 10th
Tenth graders change numbers written in standard form to scientific notation. In this scientific notation instructional activity, 10th graders use given diameters and distances from the sun for each planet in our solar system. After...
+
Worksheet
Curated OER

The Two Circles Problem

For Students 11th - Higher Ed
For this area of a circle worksheet, students determine the ratio of common area when two circles overlap and each passes through the center of the other. A detailed sollution is included.
+
Lesson Plan
Curated OER

Radius, Diameter and Circumference

For Teachers 8th - 10th
In this circle worksheet, students use a drawing of a circle. The diameter is given. Students find the radius, circumference and area of the circle. On the second problem, students are shown a circle with a hole inside it. They compute...
+
Lesson Plan
Curated OER

Geometric Probablitiy: Spinners and Dartboards

For Teachers 8th - 10th
Sstudents explore and analyze the properties of geometric areas.  For this geometry lesson, sstudents use technology to simulate spinners and dartboards in order to fing areas of circles and sectors of circles and compare and contrast...
+
Lesson Plan
Curated OER

Circles

For Teachers 5th - 6th
In this math worksheet, students solve 14 problems in which they calculate the diameter, radius, circumference and area of circles. There are no examples or formulas provided on this page; prior knowledge is assumed.
+
Lesson Plan
Curated OER

Finding PI

For Teachers 9th - 12th
Students select and use appropriate operations, methods and tools to compute or estimate using whole numbers. They develop and use formulas for determining the circumference and area of circles. Students determine and describe the...
+
Lesson Plan
Curated OER

Finding Area

For Teachers 7th
Seventh graders explore the concept of area. In this area instructional activity, 7th graders determine what measurements are necessary to find the area of a rectangle and circle. Students use area formulas to calculate area or...
+
Lesson Plan
Curated OER

Circumference and Area of Circles

For Teachers 5th - 6th
In this math worksheet, students learn to calculate the area and circumference of a circle. Students answer 4 word problems after reading the information and studying the examples.
+
Lesson Plan
Curated OER

How Big is a Molecule?

For Teachers 9th - 12th
Students estimate the size of a molecule of oleic acid. They conduct an experiment using chalk dust, water, and oleic acid, solve various calculations, and answer discussion questions.
+
Activity
Oswego City School District

Regents Exam Prep Center: Circles: Area of Sectors and Segments

For Teachers 9th - 10th
Material to supplement classroom instruction on sectors and segments of circles. Find guidelines on how to find the area of sectors and segments, as well as a multiple-choice quiz, and an activity idea called "Sectors and Pizza."