Lesson Plan
Curated OER

Spacemobiles

For Teachers K - 4th Standards
Aspiring astronauts construct a space vehicle using cylinders, cones, spheres, and rectangular prisms. This is an engaging method of learning about three-dimensional shapes. Note that the word cylinder is constantly misspelled in the...
Worksheet
Curated OER

Congruent Figures

For Students 3rd - 4th
In this geometry worksheet, students view two congruent figures and match the corresponding parts. Students write the four corresponding parts in the boxes provided.
Lesson Plan
Curated OER

Geoboard Ideas

For Teachers 3rd - 4th
Students build polygons on their geoboards. In this geometry lesson plan, students build and then draw it on paper and label it. Students then switch with a partner to try an make a symmetrical shape.
Worksheet
Curated OER

What Is Perimeter?

For Students 3rd - 4th
In this geometry worksheet, students read the definition of and the algorithm for finding the perimeter of a rectangle. They find the perimeter of 8 rectangles before ordering 4 items from the greatest perimeter to the least.
Lesson Plan
Curated OER

Identifying and Classifying Solid Figures

For Teachers 2nd - 3rd
Students identify and classify solid geometric figures. In this geometry lesson, students bring in objects that look like solid shapes and identify their attributes. Students identify the number of surfaces and faces on each figure.
Lesson Plan
Curated OER

What a Square

For Teachers 3rd - 8th
Learners examine the painting "Old Man With A Gold Chain" by Rembrandt. They identify geometric shapes in the painting, measure these shapes and compare the relationships of these measurements.
Lesson Plan
Curated OER

Visualizing Multiplication

For Teachers 3rd - 5th
Upper graders represent multiplication of a two-digit number by a two-digit number as the area of a rectangle with dimensions of the two factors. They find patterns for the number of different base ten blocks in a rectangle representing...
Lesson Plan
Illustrative Mathematics

What is a Trapezoid? (Part 1)

For Teachers 3rd - 5th Standards
Challenge your class to construct a definition for trapezoids. Looking at four examples and four non-examples, students individually create definitions and use them to classify an unknown shape. Allow for small group and whole-class...
Lesson Planet Article
Curated OER

Symmetry in Children's Art Experiences

For Teachers 2nd - 4th
Read between the lines of symmetry to make important connections between math, art, culture, and nature.
Lesson Plan
Curated OER

Is This Shape a Polygon?

For Teachers 3rd - 4th
In this identifying polygon shapes worksheet, students observe different shapes, determine if they are polygons are not, explain why they are or are not polygons, and name the shapes. Students write 12 answers.
Lesson Plan
Curated OER

Geometric Shapes

For Teachers 1st - 3rd
Connect geometric shapes to your learners' lives with this worksheet. In order to complete this worksheet, young scholars must discover examples of triangles, squares, and circles at school, at home, and outdoors and list them on a...
Lesson Plan
Curated OER

Parallel Lines in Everyday Life

For Teachers 3rd - 6th
In this identifying parallel lines worksheet, students discover examples of parallel lines at school, home, and outside and list them on a chart. Students write at least 10 short answers.
PPT
Curated OER

Who Wants to Be a Champion: Perimeter, Area, Symmetry

For Teachers 3rd - 5th
Have your learners practice finding the perimeter and area of geometric shapes using this resource. While just a simple review, this could be a wonderful way to solidify the concepts in their minds.
Interactive
CK-12 Foundation

Equivalent Fractions: Number Line

For Students 3rd Standards
Arrange improper fractions on a number line to determine the equivalency to whole numbers. The number line starts at -4 and ends at 4, while users must turn the improper fraction into a proper fraction in order to place it on the number...
Interactive
CK-12 Foundation

Estimation of Whole Number Multiplication and Division: Lettuce Garden

For Students 3rd - 8th Standards
Estimating whole number multiplication and division is the focus of an interactive that uses a garden plot with moveable points to answer six questions.
Interactive
CK-12 Foundation

Whole Number Multiplication: Parity of Zero

For Students 3rd - 6th Standards
An interactive provides five questions that challenge scholars to decide whether integers are even or odd parity. A table assists problem solving with movable numbers that plug into equations and reveal the given parity. Question types...
Interactive
CK-12 Foundation

Addition of Integers: Number Blocks

For Students 3rd - 8th Standards
A five-question interactive provides a horizontal number line where integers are stacked on top of one another to find solutions of addition problems. Mathematicians move numbers to the numbers line, as numbers build higher, the sum of...
Interactive
CK-12 Foundation

Integer Division: Dropping Anchor

For Students 3rd - 5th Standards
An interactive made up of five questions challenges mathematicians to divide integers and reflect on division properties. A moveable anchor aids in problem-solving. Question types include multiple-choice, true or false, and...
Interactive
CK-12 Foundation

Equivalent Fractions

For Students 3rd - 6th Standards
An interactive made up of five questions tests scholars' knowledge of equivalent fractions. Two fraction circles with moveable parts assist mathematicians in finding solutions. Questions are multiple-choice with one discussion. 
Lesson Plan
Curated OER

Comparing Measurements

For Teachers 3rd - 5th
Students explore measurements by completing worksheets in class. In this geometry lesson, students identify the basic measurement units in both the English and metric systems. Students analyze 2 and 3 dimensional objects and identify...
Lesson Plan
Curated OER

Triangles Introduction

For Teachers K - 3rd
Students explore geometry by drawing various shapes in class. In this triangle characteristics lesson, students identify the attributes that classify a shape as a triangle and practice using their bodies to create triangles in class....
Worksheet
Curated OER

Angles Identification

For Students 3rd - 5th Standards
In this assignment, math whizzes identify angles as either being obtuse, acute, right, or straight. Students identify six angles. The publisher states that this is designed with CCSS.Math.Content.MD.6 in mind, but it really does not ask...
Lesson Plan
Curated OER

Six Squares

For Teachers K - 6th
Pupils create different shapes on grid paper.  In this two-dimensional geometry instructional activity, students take turns outlining a shape made of six squares on the graph paper.  They identify all shapes they see once...
Lesson Plan
Curated OER

Lines, Rays, and Angles

For Teachers 3rd
Third graders read "Pigs on the Ball" by Amy Axelrod and discuss the geometry concepts presented in the book. They use Twizzler sticks and pipe cleaners to represent lines, rays and angles.

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