Activity
5280 Math

Triangle Area Patterns

For Teachers 8th - 10th Standards
Combine algebraic and geometric strategies to find solutions. The task asks learners to find the coordinates of a third vertex of a triangle to create a triangle with a specific area. The project is a set of seven problems that...
Lesson Plan
Kenan Fellows

Isotopic Pennies

For Teachers 9th - 12th Standards
Many people confuse atomic mass and atomic numbers. The sixth of seven lessons in a unit requires scholars to find the weight of different groups of pennies. Then, they must solve how many of each type of penny exists in a closed system...
Worksheet
Curated OER

Identity, Inverse, and Equality Properties

For Students 9th
In this properties worksheet, 9th graders solve and complete 29 various types of problems that include identifying various types of properties. First, they give an example of each property named. Then, students name the property...
Unit Plan
2
2
Mathematics Vision Project

Quadratic Equations

For Teachers 10th - 12th Standards
Through a variety of physical and theoretical situations, learners are led through the development of some of the deepest concepts in high school mathematics. Complex numbers, the fundamental theorem of algebra and rational exponents...
Activity
Howard Hughes Medical Institute

Using DNA to Explore Lizard Phylogeny

For Teachers 6th - 12th
In a fun and interactive two-day lesson, learners sort anole lizard pictures by appearance. Next, they watch a video about the anoles and re-sort based on the information in the video. In addition to physical characteristics, budding...
Unit Plan
Mathematics Vision Project

Geometric Figures

For Teachers 10th - 12th Standards
Logical thinking is at the forefront of this jam-packed lesson, with young mathematicians not only investigating geometric concepts but also how they "know what they know". Through each activity and worksheet, learners wrestle with...
Lesson Plan
Curated OER

Geometry Practice: G.G.28 #1: Congruent Triangles

For Teachers 9th - 12th
In this congruent triangles worksheet, students solve four multiple choice problems. Students determine which statement is the appropriate reasoning to say that two triangles are congruent.
Lesson Plan
1
1
Curated OER

Exploring the Water Cycle

For Teachers 6th - 8th Standards
The water cycle is one of earth's most easily observable processes, but demonstrating each step within classroom walls can be a challenge. Through a series of videos and quick demonstrations, cover each aspect of the hydrologic cycle in...
Lesson Plan
Learner

Solid Shapes

For Teachers K - 2nd Standards
A collection of two lessons, kindergartners will identify two-dimensional shapes in solid shapes. They will develop basic knowledge of the components that make up a sphere, rectangular prism, pyramid, cylinder, cone, and cube. Young...
Unit Plan
Steinhardt Apps

Kinetic Molecular Theory

For Teachers 9th - 12th Standards
Building off young chemists' knowledge of the states of matter, kinetic molecular theory is the focus of the unit. Eight days of lessons including multiple demonstrations, one lab experiment, directed instruction, and worksheets,...
Worksheet
Curated OER

Simplifying Expressions

For Students 9th
In this simplifying expressions learning exercise, 9th graders solve and complete 19 various types of problems where students select the best choice from each multiple choice item. First, they simplify a number of given expressions by...
Lesson Plan
Curated OER

Identity and Equality Properties

For Teachers 7th - 8th
In this math worksheet, learners solve five problems, identifying each property as it is used. They identify the used property in 9 problems.
Lesson Plan
EngageNY

Definition of Rotation and Basic Properties

For Students 8th Standards
Examine the process of rotating images to visualize effects of changes to them. The fifth lesson of 18 prompts pupils to rotate different images to various degrees of rotation. It pays special attention to rotations in multiples of 90...
Lesson Plan
Kentucky Department of Education

Multi-Digit Multiplication Strategies

For Teachers 4th Standards
There is more than one way to solve a multiplication problem, and many learners find that the lattice multiplication method can be a helpful one. Fourth graders take an initial formative assessment before working in groups of two or...
Lesson Plan
Virginia Department of Education

Exploring Quadrilaterals

For Teachers 6th
Sort this resource into the Use pile. Scholars investigate attributes of quadrilaterals and then use the results to sort and classify the shapes labeling each figure with their properties to justify the classifications.
Lesson Plan
West Contra Costa Unified School District

Simplifying Radicals – Day 1

For Teachers 8th - 10th
It doesn't get simpler than this. Scholars first learn to simplify radicals by determining the prime factors of the radicand. The lesson plan progresses to simplifying radicals involving algebraic expressions in the radicand.
Lesson Plan
EngageNY

Base Angles of Isosceles Triangles

For Students 9th - 10th Standards
Build confidence in proofs by proving a known property. Pupils explore two approaches to proving base angles of isosceles triangles are congruent: transformations and SAS. They then apply their understanding of the proof to more complex...
Printables
K-5 Math Teaching Resources

5x5 Geoboard Paper

For Students K - 5th Standards
Geoboards can take up a lot of space in the classroom; instead use this 5x5 geoboard paper! Six geoboards and lines for writing are included in this multi-use printable and template. 
Assessment
Noyce Foundation

Building Blocks

For Teachers 6th Standards
Building blocks have more uses than simply entertaining children. Young mathematicians calculate the volume of a given cube, and then calculate the volume and surface area of a prism formed from multiple cubes.
Lesson Plan
Curated OER

Find the Factors and Prime Factors

For Teachers 4th - 6th
Show the class how to find the factors of numbers. They use a variety of strategies, including unifix cubes, to find the factors of a whole number. This resource includes clear procedure to follow. Included are an anticipatory set,...
Assessment
Curated OER

2008 U.S. National Chemistry Olympiad Part I

For Students 9th - 12th
In this chemistry Olympiad worksheet, students solve sixty multiple choice questions on a variety of chemistry topics from finding molarity of solutions to calculating products of reactions. Students are given graphs, equations, reaction...
Unit Plan
Buffalo State

Adding and Subtracting Integers Unit

For Teachers 6th - 7th Standards
Just because one integer is larger than another doesn't mean it will make sense right away. Go beyond note taking and show learners, through the use of algebra tiles and a Four-Pan Algebra Balance, how the numbers relate to one...
Lesson Plan
Curated OER

Reporting from the Front Lines

For Teachers 5th - 6th
Students examine the battle of Gettysburg as they write news articles. In this Battle of Gettysburg lesson, students become familiar with the job of the news reporter as they report on the events of the Battle of Gettysburg as they...
Worksheet
Curated OER

My Test Book: Multiplication Skills

For Students 5th - 7th
In this math skills learning exercise, students solve 10 multiple choice math problems regarding properties of multiplication. Students may view the correct answers.