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751 resources with the concept 2-d

22 Items in Collection
Lesson Planet

EngageNY Grade 6 Math Module 5: Area, Surface Area, and Volume Problems

For Teachers 6th Standards
Scholars take part in 20 lessons covering math concepts—area, surface area, and volume. Learning opportunities enforce knowledge of measurement and geometric shapes. A mid-unit exam challenges pupils to demonstrate what they know this...
9:58
Lesson Planet

Linear Combinations, Span, and Basis Vectors | Essence of Linear Algebra, Chapter 2

For Students 11th - Higher Ed Standards
What does it mean for two vectors to be linearly independent? The resource presents the basics of basis vectors and linear combinations. The third video in the 15-part series provides a definition of linear independence in terms of the...
Lesson Planet

2D and 3D Shapes

For Students 6th - 9th Standards
What a great assessment to give young mathematicians in order to test their knowledge on two- and three-dimensional shapes. Learners name various shapes, identify the number of edges, faces, and vertices, match an unfolded version of a...
Lesson Planet

Lessons for Learning—Kindergarten

For Teachers K Standards
Kindergartners jump right into learning. Each lesson in this math unit is clearly outlined with materials, procedures, student outcomes, misconceptions, and solutions. All lessons and activities are aligned with Common Core math standards.
3:59
Lesson Planet

Why Do Honeybees Love Hexagons?

For Students 6th - 12th Standards
Float like a butterfly, think like a bee! Build a huge hive, hexagonally! Find out the reason that hexagons are the most efficient storage shape for the honeybees' honeycombs. This neat little video would be a sweet addition to your life...
Lesson Planet

Partitioning a Hexagon

For Teachers 7th - 9th Standards
The task at hand is to partition a hexagon into two, four, and eight congruent figures. Make sure to give your wizards a sheet of triangle grid paper on which to decompose the hexagons. Have them explain which rotations, reflections, or...
Lesson Planet

What is a Trapezoid? (Part 2)

For Teachers 4th - 6th Standards
This collaborative activity investigates the meaning of a trapezoid and a parallelogram. It begins by presenting two different definitions of a trapezoid. Learners are to reason abstractly the difference between the two definitions and...
Lesson Planet

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.
3:58
Lesson Planet

Three Dimensions in Two Dimensions: Lesson

For Students 6th - 11th Standards
Slice up solids. A portion of a geometry playlist introduces two conventional ways to visualize 3-D figures in 2-D. The resource defines cross-sections and nets and provides examples of both.
9:23
Lesson Planet

I Built an Acoustic Levitator! Making Liquid Float on Air

For Students 9th - Higher Ed Standards
Think of current acoustic levitator technology as a hover board for tiny things! Introduce young physicists to this emerging gadget using a video from an informative playlist touching on physics topics. Viewers watch as Physics Girl and...
Lesson Planet

Security Cameras

For Students 9th - 12th Standards
Catch them in the act of problem solving! Young scholars become security personnel for the day as they use their geometry skills to determine the best placement for security cameras. Given rooms of different shapes, learners must...
Lesson Planet

Triangle Classification

For Teachers 9th - 12th Standards
Oh triangle, where are the points that will make your type? Given a line segment, pairs determine the location of a third point to create the six different types of triangles. The teacher provides a jumping off point by leading a...
4:54
Lesson Planet

The Mathematics of Sidewalk Illusions

For Students 9th - Higher Ed
How do they create those 3-D views on a 2-D surface? The video presents the history of the art of using anamorphic perspective. A review of perspective drawing provides background knowledge to the class. Pupils see different methods...
Lesson Planet

Working Backwards—2D Rotations

For Students 9th - 12th Standards
Wrap a 2-D figure around the y-axis to form a solid. Given two 3-D figures, pupils determine the 2-D figure that—when rotated around the y-axis—will generate the solid. The pupils then draw the 2-D shape on the coordinate plane in the...
Lesson Planet

Inside the Box

For Students 9th - 12th Standards
Take a look at a prism after slicing and dicing it. Given a rectangular prism with all three dimensions, pupils draw the horizontal and vertical cross-sections and provide their dimensions. They also determine the dimensions of a...
4:26
Lesson Planet

Nonsquare Matrices as Transformations Between Dimensions | Essence of Linear Algebra, Footnote

For Students 11th - Higher Ed Standards
But what happens if the matrix is not square? The ninth video in a series of 15 serves as a footnote to discuss non-square matrices. The resource presents them as transformations between two and three dimensions. The presentation...
Lesson Planet

2D Rotations of Triangles

For Students 9th - 12th Standards
Where does the line of rotation need to be to get a cone? Pupils respond to three questions involving rotating a right triangle about different lines. The scholars describe the solid created along with providing details about its...
Lesson Planet

2-D Rotations of Rectangles

For Students 9th - 12th Standards
Turn 2-D into 3-D using a simple rotation. The resource contains two questions concerning the rotation of a rectangle about the x-axis and the y-axis. Pupils identify the resulting solid and provide information about the dimensions.
1 In 1 Collection
EngageNY

End-of-Module Assessment Task: Grade 6 Math Module 5

For Students 6th Standards
Assess the class' ability to solve problems involving area, surface area, and volume with a six-question assessment that presents problems covering aspects of calculating measurements of 2-D and 3-D figures. Class members use the...
Lesson Planet

Symmetry

For Students 7th - 10th Standards
Eleven problems provide pupils the opportunity to find the lines of symmetry or identify rotational symmetry. Scholars alter designs to make them symmetrical, learn to recognize signs that are symmetrical, and identify the type of...
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Sorting 2-D and 3-D Shapes

For Students K - 2nd Standards
Challenge mathematicians to examine and sort a variety of 2-D and 3-D figures with a 10-problem solid shapes activity.
10:06
Lesson Planet

Vectors and 2-D Motion

For Students 9th - 12th Standards
Continue the journey into the world of physics as you lead your class on a winding road complete with vectors and scalers. Pupils learn more about motion, direction, and velocity as they use these concepts to explore two- and...
1 In 1 Collection
Lesson Planet

Writing Task 6.G.3 Item 1

For Students 5th - 6th Standards
Young mathematicians combine their understanding of polygons and the coordinate plane in this short writing exercise. Looking at five points plotted on a graph, students must explain in writing how they can be used to create a trapezoid...
Lesson Planet

Pieces to the Puzzle Fraction Project

For Teachers 4th - 6th Standards
Four polygons each have a fraction with unlike denominators printed on them. Creative math minds select several shapes to create a design with and then write and solve a math problem involving the addition of all of the fractions...