Lesson Plan
Houghton Mifflin Harcourt

Introducing the Concept: Triangles and Quadrilaterals

For Teachers 5th - 7th Standards
Guide your geometers through the process of constructing polygons. They learn how to draw triangles, squares, parallelograms, rectangles, rhombuses, and trapezoids with specified angles using a protractor and a ruler. The lesson plan...
Lesson Plan
Curated OER

Ancient American Art and Geometry

For Teachers 7th - 8th
Students explore the relationship between geometry and ancient American art. They see how to recognize geometric properties in specific works and explain how these properties contribute to their meaning and artistic merit.
Worksheet
Curated OER

Multiplying Matrices

For Students 10th - 12th Standards
Go over the basics of matrix multiplication, from checking the dimension of the factors, to applying the distributive property. This worksheet includes directions on when and how to multiply matrices, one example, and a few problems your...
Lesson Plan
Pennsylvania Department of Education

Problem Solving with Fractions

For Teachers 4th - 6th
Solve story problems using fractions or decimals. Then, determine the reasonableness of answers using estimation.The detailed lesson plan includes essential questions, vocabulary, a materials list, and links to related units.
Lesson Plan
Curated OER

Building Bridges

For Teachers 7th - 9th
Students identify the different types of bridges. Using the internet, they research information on how they are built by completing a scavenger hunt. Locating a specific area, they determine which type of bridge would be appropriate and...
Worksheet
Curated OER

Shapes: Art or Geometry

For Students 4th - 6th
Budding artists or mathematicians read about,and then draw, two very different shapes. Geometric and organic 2-D shapes are defined. Learners use the definitions to draw examples of each.
Lesson Plan
Curated OER

Shadow Casting

For Teachers 8th
Eighth graders use a meter stick that is placed on a horizontal surface and an object is moved along it so that the shadow length can be measured at different distances from the light source. They solve real-world problems involving...
Lesson Plan
Curated OER

Polygons in Symmetry: Animal Inventions

For Teachers 4th
Fourth graders use polygons to create animal figures with symmetry. In this polygons and symmetry instructional activity, 4th graders create a symmetrical animal collage by cutting and gluing geometric shapes and figures from math...
Lesson Plan
Curated OER

Coordinate Geometry

For Teachers 4th - 7th Standards
Grab your class and get them graphing polygons on a coordinate plane! They investigate the four quadrants, discover the x and y axis, and correctly plot ordered pairs. To show their comprehension, each child creates a coordinate picture...
Lesson Plan
Curated OER

The Mathematics of Space and Place

For Teachers 9th - 10th
Learners investigate the measurements and geometry of the school grounds. They conduct inquiry while measuring the campus and some of the city blocks. Then students draw a map to scale and categorize property types using a pie graph.
Lesson Plan
Curated OER

Sampling and Comparing Biodiversity

For Teachers 9th - 12th
High schoolers compares the density and distribution differences of four species of spiders in two hypothetical habitats. They "sample" two habitats and then do calculations such as average density and relative distributions to compare...
Lesson Plan
Curated OER

Powerful Polygons

For Teachers 2nd - 4th
Learners scan the classroom to find different common shapes. They listen as the teacher defines polygon and regular polygon. The teacher demonstrates regular polygons via the Internet and the "Math is Fun" web site. Students go outside...
Worksheet
Curated OER

Quadrilaterals

For Students 10th
In this quadrilaterals worksheet, 10th graders solve and complete 34 various types of problems. First, they fill-in the family tree with the names of the shapes of quadrilaterals shown. Then, students list the quadrilaterals that have...
Lesson Plan
Curated OER

Ashes to Ashes: Using Evaporation Rate to Identify an Unknown Liquid

For Teachers 9th - 12th Standards
Learners explore the concept of evaporation rates in this evaporation rates lesson. They will try to identify the chemical that began a fire, perform an experiment where they use the evaporation rates to determine the unknown liquid, and...
Activity
Curated OER

Coffee and Crime

For Teachers 9th - 12th Standards
Is there a correlation between the number of coffee shops and the amount of crime in a given area? In this quick exercise, your class will examine the data, interpret the results, and discuss their conclusion. Concepts covered include...
Lesson Plan
Curated OER

Discovering Math: Computation

For Teachers 5th - 7th Standards
Middle schoolers add, subtract, multiply, and divide rational numbers. They find the square and the cube of numbers. They create a game incorporating computation on rational numbers. Everyone works together to write and evaluate...
Lesson Plan
Curated OER

Odd One Out

For Teachers 9th
Ninth graders identify and describe in their own language, the following 2-dimensional shapes: square, circle, box, pentagon; classify objects by shape attributes. They then list a number of properties that distinguish squares from...
Lesson Plan
Curated OER

Measuring with Mathematics

For Teachers 8th
Eighth graders discover how the change in the dimensions of a shape cause a change in the overall area of the shape, but the perimeter stay the same. They, in groups, go out to the playground and construct large areas using stakes and rope.
Lesson Plan
Curated OER

Tree Cookie Combat

For Teachers 4th
Fourth graders discover what trees need to live and grow in the environment. They realize that trees sometimes interact or compete with other organisms as well as each other. They identify the physical characteristics of Utah's...
Lesson Plan
Curated OER

And The Twelfth One Is

For Teachers 9th
Ninth graders play guess my shape (either describe or use a feely bag to introduce the 3 shapes in the problem.) As they are identified put them in an order as shown in the problem. As the students work on the problem in pairs teacher...
Lesson Plan
Curated OER

The Mandelbrot Set

For Teachers 7th - 12th
Pupils explore the Mandelbrot Set. They are introduced to the concept of a complex number and function in order to motivate the discussion of Julia and Mandelbrot sets. Students investigate fractals and how they are built.
Lesson Plan
Curated OER

Mineralogy, Astronomy, & Ancient Wisdom

For Teachers 5th - 8th
Students complete a variety of activities surrounding minerals, crystals, and mineralogy. They locate common minerals on a world map, complete a lab in which they identify the chemical and physical properties of various minerals, etc.
Lesson Plan
Curated OER

Hooked On Problem Solving

For Teachers 4th
Fourth graders use properties of operations and problem-solving strategies to do mental calculations, and look for patterns in the solutions. They create an array, using each of the digits 1-9 exactly once to form addition problems...
Lesson Plan
Curated OER

Tessellations: Use Angles To Show That Shapes Will or WIll Not Tessellate

For Teachers 6th - 8th
Middle schoolers observe a selection of shapes. They identify which shapes will tessellate and justify their answer. Students apply the symmetry and angle properties of polygons to create tessellations.