Activity
Howard County Schools

Generous Aunt

For Teachers 9th - 11th Standards
Witness the power of exponential growth with an activity that investigates two different savings plans. Class members create tables of values to see how and when a savings plan increasing exponentially exceeds one increasing linearly.
Activity
Howard County Schools

Setting the Table

For Teachers 9th - 11th Standards
How many people can fit around a table? Depends on the size of the table, right? Explore patterns to generate an equation for the number of people that can fit around a table given its size.
Assessment
CCSS Math Activities

Satellite

For Students 9th - 12th Standards
This isn't rocket science, you know. A performance task has learners use right triangle trigonometry to calculate distances from stations on Earth to a satellite. It also requires finding the distance between two stations along the...
Unit Plan
Mathematics Vision Project

Module 4: Similarity and Right Triangle Trigonometry

For Teachers 9th - 12th Standards
Right you are to use a great resource. Starting with a lesson on dilations, scholars learn about similarity transformations and similar triangles. They use the knowledge to develop an understanding of right triangle trigonometry in later...
Assessment
Mathed Up!

Changing the Subject of a Formula

For Students 7th - 9th Standards
What to do with more than one variable? Part of a larger series, the video shows how to solve a formula for another variable. Pupils solve equations with more than one variable for a given variable of interest. Problems include linear,...
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

Absolute Values of Integers

For Students 5th - 7th Standards
A five-question interactive focuses on integers and absolute value. A number line shows the distance to aide mathematicians in answering multiple-choice, true or false, and discussion questions.
Interactive
CK-12 Foundation

Repeating Decimals: Does 1 equal 0.999... ?

For Students 6th - 8th Standards
Six questions make up a challenging interactive that tests scholars' knowledge of repeating decimals. Mathematicians answer true or false and multiple-choice questions with help from a tool that highlights decimal movement in an...
Interactive
CK-12 Foundation

Multiplication of Whole Numbers by Fractions: Multiplication of Fractions by Whole Numbers

For Students 6th - 8th Standards
An interactive challenges mathematicians to multiply fractions by whole numbers. A model provides a clear visual aid in preparing whole numbers to be multiplied. Six questions include multiple-choice, fill in the blank, short answer, and...
Interactive
CK-12 Foundation

Expression Evaluation with Different Denominators: Adding Mixed Fractions of Water

For Students 6th - 8th Standards
An interactive challenges mathematicians to add mixed fractions with unlike denominators. Five questions—fill-in-the-blank and multiple-choice—build from one to the next leading the way to an open discussion about denominators and...
Unit Plan
Radford University

Big Future - How SAT Scores Play a Role in College Acceptance

For Teachers 9th - 12th Standards
Understanding the importance of SAT scores is as easy as ABC. A set of three statistics lessons teaches scholars about normal distributions, the Empirical Rule, and z-scores. They apply their newfound knowledge to investigate data...
Unit Plan
Radford University

Catch Me If You Can!

For Teachers 9th - 12th Standards
Crime doesn't pay, but everyone can learn from it. Learners consider different situations involving mischief at a school, such as stink bombs and rockets, and analyze them using mathematics. They must apply trigonometry, quadratic...
Unit Plan
Radford University

Parallel Lines Cut by a Transversal

For Teachers 9th - 12th Standards
Use the parallel lines to find your way. After first reviewing geometric constructions and the relationships between angles formed by parallel lines and a transversal, young mathematicians write proofs for theorems relating to parallel...
Performance
Radford University

Parallel Lines Task

For Teachers 9th - 12th Standards
Transform the classroom into a coordinate plane. Scholars walk along parallel lines drawn on a coordinate plane on the classroom floor. They measure angles and slopes and use the results to develop criteria that would make the lines...
Performance
Radford University

How Much is in There? A Polygon Investigation

For Teachers 6th - 8th Standards
Try to find the triangles in various polygons. An investigation has learners develop a formula for the sum of the measures of the interior angles of a polygon. They use manipulatives to partition each polygon into triangles, then...
Performance
Radford University

Discover Radians!

For Teachers 9th - 12th Standards
No need for radians to be mysterious. Scholars use a cardboard cut-out of a unit circle and measure the radius and circumference using a piece of string. They consider the number of radii needed to cover the entire circumference and use...
Performance
Radford University

Confetti Task

For Teachers 9th - 12th Standards
Using the net of a can, learners develop formulas for the surface area and volume of a cylinder. They then apply their formulas to solve problems about a cylindrical container used to disperse confetti.
Performance
Radford University

Linear Programming: Sports Shoes

For Teachers 9th - 12th Standards
Don't shoo away the resource on shoes. Given constraints on the amount of leather and string needed to make two different types of shoes, learners graph a system of inequalities for the situation. They then determine the maximum profit...
Performance
Radford University

Discovering Quadratics

For Teachers 9th - 12th Standards
Get to know quadratics from a couple of different perspectives. Classmates work in small groups to determine the optimal cooking time for microwave popcorn. Group members pop bags of popcorn for different times and collect data on the...
Lesson Plan
Curated OER

Linear Equations

For Teachers 7th
Seventh graders explore battle plans using grids. In this linear equation lesson, 7th graders see how math is used in battle. Students create a grid on the floor using tape and plastic army men to serve as the points. Students...
Lesson Plan
SMART Project

Shop with Us at Whelan School

For Teachers 3rd
Third graders use their math and research skills to create and manage a classroom/school store. They use a computer to manage, organize and access information. They practice pricing products, computing sales, counting money and...
Worksheet
Curated OER

Tower Building Challenge- Budgeting

For Students 5th - 8th
In this tower building and budgeting worksheet, students attempt to meet the goal of building the tallest free standing structure on the smallest budget. They build the structures with straw, paper clips, and masking tape which all have...
Lesson Plan
Curated OER

Wind Logic Puzzles

For Teachers 3rd - 5th
Students listen to books on wind energy for background knowledge. In this wind logic puzzle, students use knowledge of wind energy and critical thinking skills to complete logic puzzles. Students may work in groups or individually as...
Lesson Plan
Curated OER

Divisibility Rules

For Teachers 6th
Sixth graders strengthen their knowledge of the divisibility rules. Students access that mental math can be faster than the calculator for certain types of problems. Students can make generalizations and discover patterns in finding the...

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