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### We found 174 resources with the keyterm circle

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Women's History Activator: Eleanor Roosevelt

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Three-Dimensional Coordinates and the...

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Biography of Mary Cassatt for Kids: Famous...

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Lesson Planet: Curated OER

#### Circles: Radius, Diameter and Circumference

Fascinating discussion regarding the origin of Pi accompanies a detailed explanation of how to find the circumference of a circle. Since this is the first installment in a series on circles, the concept of circumference is separated into...

Lesson Planet: Curated OER

#### The Angle Tangle

Fourth and fifth graders identify three types of angles, recognize that angles are measured in degrees, measure angles using protractors or angle rulers. They classify angles as a class, classify angles on pattern blocks, and complete a...

Lesson Planet: Curated OER

#### Alike or Different Game

How are a circle and triangle alike? How are they different? These are the types of questions children will answer while playing this fun geometry game. Including a variety of conventional and unconventional shapes, this activity allows...

Lesson Planet: Curated OER

#### Measuring the Area of a Circle

When mathematical errors happen, part of the learning is to figure out how it affects the rest of your calculations. The activity has your mathematicians solving for the area of a circular pipe and taking into consideration any errors...

Lesson Planet: Curated OER

#### How Do You Find the Lateral and Surface Areas of a Cone?

The lateral surface area of a cone. Hmmm, what does that mean? Oh, it means the part you see if the cone was sitting on a flat surface, so it does not include the base. But if you want to include the base then it would be finding the...

Lesson Planet: Curated OER

#### What is a Circle?

A circle is a set of all the points that are equal distance from a center point. Learn the definition of some of the terms that are associated with a circle: diameter, radius, chord.

Lesson Planet: Curated OER

#### What is an Angle?

An angle is formed when two rays share a common endpoint. Want to know more about angles? There are a lot of terms in this lesson. You might have to watch it two or even three times to make sure you understand all the terms. I recommend...

Lesson Planet: Curated OER

#### How Do You Find the Area of a Sector of a Circle?

How do you find the area of a sector of a circle? Use the formula of course. Then all you have to do is plug in the given values and do the math. Make sure you are following the rules of order of operation. The instructor will walk you...

Lesson Planet: Curated OER

#### 2-Dimensional Shapes: Coloring Shapes

For beginners to color, number, and shape theory, this is a great way to solidify skills. They use a key at the top to determine which color (yellow, green, purple, or blue) to shade each shape (square, triangle, circle, and rectangle,...

Lesson Planet: Curated OER

#### 2-Dimensional Shapes: Drawing Shapes

Some of the best practice with shape identification comes from drawing the figures first-hand. Young geometers draw nine two-dimensional shapes: rectangle, circle, square, pentagon, hexagon, octagon, triangle with three equal sides,...

Lesson Planet: Curated OER

#### Match the Shapes

Which shape is the same? Young geometers match a triangle, circle, rectangle, and square to their identical counterparts, connecting them with a line from left to right. Then, they do the same thing with a set of four circular shapes,...

Lesson Planet: Curated OER

#### Coordinate Grid: Area and Circumference of Circles

Here is a geometry worksheet in which learners plot the points of a circle onto a coordinate grid and proceed to calculate the area or circumference of the circle. There are four questions.

Lesson Planet: Curated OER

#### Cones and Spheres

Geometry whizzes solve and complete 24 different problems that include determining the volume and surface area of spheres and cones. First, they use the given information to determine the volume of a cone. Then, pupils use the given...

Lesson Planet: Curated OER

#### Matching Directions

Which shape is pointing the same way? There are five starting shapes here, all irregular. Learners examine a row of shapes following each and draw a circle around the one that is pointing the same way. Enforce directional vocabulary by...

Lesson Planet: Curated OER

#### Find the Rhyme

Which one rhymes? There are four starting objects here, each heading a row of three objects. Learners identify the objects and their vowel sounds to determine which one rhymes with the first object. All these rhyming words involve the...

Lesson Planet: Curated OER

#### Matching Directions

Which of these shapes is pointing the same way? Pre-readers examine five rows of familiar objects. The first item points to the right for each, and they must determine which of the subsequent items in each row points the same direction....

Lesson Planet: Curated OER

#### Find the Words

Pre-readers need to build a foundation of word recognition using visual worksheets like this one. They examine six simple words accompanied by pictures, circling each word. See if pupils know what each word is, using the pictures as...

Lesson Planet: Curated OER

#### Find the Words

Before kids become readers, they can build foundational pre-reading skills using visual worksheets like this one. Learners examine six words with corresponding pictures, circling the words and guessing what they say. They use the images...

Lesson Planet: Curated OER

#### Practicing Circles

Get your writers ready to print curved letters using this whimsical activity. They trace 14 circular elements in an underwater scene, following the arrow and trying to stay on the dotted line. There are large and small circles here to...

Lesson Planet: Curated OER

#### The Shape Show

Define plane shapes by their properties, then use this game to reinforce those skills. Learners use given properties as clues to determine each shape. They work to name ten different shapes, six of which are polygons.

Lesson Planet: Curated OER

#### Measuring Angles

The first of two pages displays various angles as the measure of degrees of a circular arc. An explanation is written, and learners are asked to model each by holding up two pencils as the rays. The second page provides instruction on...

Lesson Planet: Curated OER

#### Unit 5 Section 2: Measuring Angles

An interactive assignment displays two example angles to teach how to measure them. When you click on the angles, a protractor appears! As practice, learners view a set of angles, estimate the size of each, and then enter the degrees in...

Lesson Planet: Curated OER

#### Around the Clock

Students discover the relationship between the circumference of a circle and its diameter. They find the length of an arc of a circle.Students use estimation strategies in real-world applications to predict results (i.e., interpolation...

Lesson Planet: Curated OER

#### Guess the Shape

How well does your class know their shapes? This interactive shape quiz provides learners with four clues which they will use to determine identify each shape. This is an excellent way to assess how well learners know their shapes and...