Curated OER
Complex Numbers
In this complex numbers worksheet, 9th graders solve 10 different problems that include addition and subtraction of these numbers. First, they add or subtract the coefficients of similar terms algebraically. Then, students remove the...
Curated OER
Binary Operations
In this binary operations worksheet, 9th graders solve 12 different problems related to various binary operations. First, they determine whether the operation is commutative. Then, students name the identity element and explain why none...
Curated OER
Solving Quadratic Equations
For this quadratic equations worksheet, 9th graders solve 10 different problems that include various quadratic equations. First, they factor out the equation and set it to zero. Then, students solve each factor and check their work by...
Curated OER
Complex Numbers
In this complex numbers worksheet, 9th graders solve 10 different problems that include either adding or subtracting complex numbers. First, they determine the sum of the real components. Then, students determine the sum of the imaginary...
Curated OER
Tile Diagrams
In this tile diagrams learning exercise, 8th graders solve and complete 12 different problems that include using cups and tiles to solve each equation listed. First, they show the check process for each problem by substituting their...
Curated OER
Expressions and Operations
In this expressions and operations learning exercise, 9th graders solve and complete 7 different problems that include reading and solving various types of equations. First, they determine the number of seconds it takes light from the...
Curated OER
Ingetrated Algebra Practice
In this integrated algebra worksheet, learners solve probability problems. They identify the appropriate sample space for the given experiment. This two-page worksheet contains 4 multiple-choice problems. Answers are...
Curated OER
Food Systems Feed the World
Students discover how getting food from farm-to-fork involves several steps and many hands. For this interactive food chain lesson, students respond to a series of questions about food distribution then work collaboratively to create a...
Curated OER
Cracking the Code
Students explore encoding systems and decoding technology. For this barcoding lesson students examine how coding impacts society including distribution, and inventory.
Curated OER
Solving Equations by Factoring
In this solving equations by factoring activity, learners solve and complete 10 different problems. First, they solve each equation using the Zero product property. Then, students define a variable and use an equation to solve the...
Teach Engineering
Magnetic Materials
The design challenge: develop a method to separate steel from aluminum. The first lesson plan in an eight-part series introduces the class to the grand challenge of ciming up with a method to streamline a sorting process at a...
Pennsylvania Department of Education
Fractional Parts Using an Area Model
Learners explore multiplying fractions and their relationship to parts of a whole. They draw and shade fractional parts to show parts of a whole and fractional parts of a fraction. Pupils also use an Internet site for interactive...
Curated OER
Rational Exponents
Simplify algebraic expressions involving rational exponents using this one page interactive activity. It contains five multiple choice questions and is self checking.
Virginia Department of Education
Scientifically Speaking
Explore the connection between operations with scientific notation and the laws of exponents. Scholars work on a set of word problems involving operations with scientific notation. Along the way, they consider how the laws of exponents...
Mathematics Assessment Project
Applying Angle Theorems
Polygon ... an empty bird cage? After finding the angles of a polygon, young mathematicians use the provided methods to solve the problem in multiple ways.
Inside Mathematics
Graphs (2007)
Challenge the class to utilize their knowledge of linear and quadratic functions to determine the intersection of the parent quadratic graph and linear proportional graphs. Using the pattern for the solutions, individuals develop a...
Inside Mathematics
Quadratic (2009)
Functions require an input in order to get an output, which explains why the answer always has at least two parts. After only three multi-part questions, the teacher can analyze pupils' strengths and weaknesses when it comes to...
Curriculum Corner
7th Grade Math Common Core Checklist
With so many math standards to fit into a school year, it can be difficult keeping track of what you have and have not covered. This collection of Common Core checklists allows you to maintain a running record of when each...
Illustrative Mathematics
Shortest Line Segment from a Point P to a Line L
One of the hardest skills for many young geometers to grasp is to move beyond just declaring obvious things true, and really returning to fundamental principles for proof. This brief exercise stretches those proving muscles as the...
Inside Mathematics
Swimming Pool
Swimming is more fun with quantities. The short assessment task encompasses finding the volume of a trapezoidal prism using an understanding of quantities. Individuals make a connection to the rate of which the pool is filled with a...
Achieve
Yogurt Packaging
Food companies understand how to use math to their advantage. Learners explore the math related to the packaging and serving size of yogurt. They then use unit analysis and percent values to make decisions on the product development.
Teach Engineering
Mechanics of Elastic Solids
Make the connection between Hooke's law and elasticity with an activity that introduces the class to the behavior of elastic materials. The resource defines stress and strain to calculate the modules of elasticity of...
Laboratory for Atmospheric and Space Physics
Growing Up With A Mission
New Horizons began its journey to Pluto in 2006. Ten years later, it continues its mission. In that time, scholars have surely grown, but how much more will they grow by the time New Horizons reaches its destination? Find out with an...
Mathematics Vision Project
Linear and Exponential Functions
Provide a continuous progression to linear and exponential functions. Pupils continue to work with the discrete functions known as sequences to the broader linear and exponential functions. The second unit in a series of nine provides...