Lesson Plan
Curated OER

Area of Parallelograms

For Teachers 7th
Seventh graders review the process of finding the area of a rectangle and complete a couple of examples as a class. They discuss what a parallelogram is and what the formula would be for finding its area. They listen to an explanation...
Lesson Plan
Curated OER

Interior Designer for a Day

For Teachers 7th
Seventh graders organize a 20 x 17 room with a given set of furniture pieces. Arrangement is to be based on maximum comfort and practicality. This lesson is a good way to teach and reinforce the mathematical concept of area.
Worksheet
Curated OER

Math 155 Review Worksheet 5

For Students Higher Ed
In this college level Calculus learning exercise, students find the derivative of the given function and find the rate of change of the area of a circle with respect to its circumference.  The two page learning exercise contains...
Lesson Plan
Curated OER

Discovering Pi

For Teachers 6th
Sixth graders measure circumference and diameter to the nearest eighth of an inch, record measurements on a spreadsheet, and use the internet to complete a "scavenger hunt" of facts concerning pi.
Lesson Plan
Curated OER

Radial Letters

For Teachers 4th - 6th
This art lesson seems simple enough. As a way to introduce radial symmetry, spokes, or rays, learners create an artistic representation demonstrating radial symmetry. They stick a variety of letter stickers on their paper starting in the...
Lesson Plan
Curated OER

Gone Lobstering

For Teachers 4th - 6th
This simple instructional activity has young mathematicians consider all of the expenses, and monetary rewards a typical lobsterman encounters when going about his business. Given a few pieces of information, pupils must figure out a...
Lesson Plan
Ohio Department of Education

Fraction Models - Grade Three

For Teachers 3rd - 4th Standards
Explore fractions using different manipulatives and illustrations. Your class can create a variety of models of fractions and mixed numbers with drawings and manipulatives. They then work to compare fractions, mixed numbers, and whole...
Lesson Plan
Curated OER

How Do You Measure Up?

For Teachers 3rd - 4th
Students measure their body. In this measurement lesson plan, students use a string to measure their height and the circumference of their head. They record this information on the worksheet provided and answer questions as a group. 
Worksheet
Curated OER

11.4 Practice B: Circumference and Arc Length

For Students 9th - 12th
In this circumference and arc length worksheet, students determine the circumference, radius, and arc length of circles. They find the area of a shaded region within a circle. Students determine the probability that a randomly chosen...
Worksheet
Curated OER

Changing Fractions: Worksheet 1

For Students 4th - 5th
In this math instructional activity, students first write the fraction of the shaded area on the circles. Students then draw lines connecting markers on the perimeter of the circle and write the fraction using the new fraction that is...
Worksheet
Curated OER

Calculus Cryptarithm

For Students 10th - 12th
In this cryptarithm worksheet, students solve an alphametic puzzle.  They determine the numerical value of letters.  This one-page worksheet contains 1 problem.  The answer is provided.
Worksheet
Curated OER

Measuring Angles

For Students 10th
For this measuring angles worksheet, 10th graders solve and complete 26 various types of problems. First, they use a protractor to find the measurement of each angle. Then, students state the Angle Addition Postulate for the three angles...
Lesson Plan
Curated OER

Fun Ideas for Getting A-Round in Math CIRCLES

For Teachers 6th - 8th
Students see circles in real life and have fun with them
Lesson Plan
Curated OER

Hexagoning the Circle

For Teachers 6th - 9th
Students explore similarity to see that the area of a circle should be a constant times the square of its radius. Students create a hexagon. Students share their designs with the class.
Lesson Plan
Curated OER

Dilations of 2 and 3 dimentional figures and their effect on area, surface area, and volume.

For Teachers 7th
Seventh graders investigate the area and volume of 2D and 3D figures. In this geometry lesson plan, 7th graders create a storyboard explaining their knowledge of 2D and 3D shapes. They analyze their data and interpret their...
Worksheet
Curated OER

Finding the Area of a Shape

For Students 4th - 5th
In this finding the area instructional activity, students solve 25 problems in which the area of straight and curved shapes is calculated. This page is intended as an online activity, but may be completed on paper.
Worksheet
Curated OER

Whiskery Lake Problem

For Students 10th
In this Geometry worksheet, 10th graders solve a problems involving area of a circle given information regarding surface area.  The one page worksheet contains one problem with answer. 
Lesson Plan
Curated OER

Area of Solids

For Teachers 7th - 12th
Students find the area of rectangular solids and cylinders by cutting them into flat pieces and adding the areas.
Lesson Plan
Curated OER

Circles and Clocks, Shapes and Time

For Teachers 4th - 6th
Students work in groups to research clocks and practice telling time. In this telling time lesson plan, students use the computer program ProQuest to study circles, including radius and diameter, and practice drawing circles using a...
Lesson Plan
Curated OER

Arc Length and Sectors

For Teachers 9th - 12th Standards
Find the length of an arc. Learners relate central angles to the area and length of a sector and graph circles on the TI to make predictions.
Worksheet
Curated OER

Chapter 7 Final Review Extra Problems

For Students 9th - 11th
In this Geometry review worksheet, students describe the relationships of two common triangles. They find the area of a segment created by a given sector of a circle for two circles. Students find the length of an arc bounded by the...
Worksheet
Curated OER

Geometric Word Problems

For Students 10th
In this geometric figures worksheet, 10th graders solve and complete 11 different word problems. First, they find the area of a regular octagon with a given side. Then, students find the area of each shaded region. They also find the...
Lesson Plan
Curated OER

Radian Measure

For Teachers 9th - 12th Standards
Young mathematicians identify central angles, arcs and radius of circles in this pre-calculus lesson. They identify the proportion of the circle based on its radius while they convert between degrees and radians measurements.
Worksheet
Curated OER

Solve Word Problems with Geometry

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

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