US Mint
Coin Connections
Help young mathematicians make cents out of the US currency system with this two-part math lesson. Children first learn the names and values for each type of coin, before learning to count and compare the values of coins using the...
Benjamin Franklin High School
Saxon Math: Algebra 2 (Section 3)
In this third of a twelve-part series, the focus moves from using matrices to solving systems of equations with substitution and elimination, including more than two dimensions and variables in equations, and analyzing statistical data....
Benjamin Franklin High School
Saxon Math: Algebra 2 (Section 1)
This first of twelve algebra 2 resources provides a broad review of many algebra 1 concepts through a number of separable lessons and labs. Starting with the real number system and its subsystems, the sections quickly but thoroughly...
American Museum of Natural History
What Do You Know About the Human Microbiome?
Scholars answer 10 multiple choice questions to test their knowledge about the human body and microbes. Correct answers come with a rewarding tone and brief description.
Concord Consortium
Intersections II
How many intersections can two absolute value functions have? Young scholars consider the question and then develop a set of rules that describe the number of solutions a given system will have. Using the parent function and the standard...
Mission India
My Passport to India: What's Caste Like?
To gain an understanding of what it was like to live under India's caste system, class members engage in a role-playing activity that assigns group members to four different groups, each with different rules for behavior.
Curated OER
Lesson: More Than a Dollar's Worth of Meaning
The Chinese, Dish with the Eight Buddhist Emblems contains symbols and visual references for learners to explore. They search for Buddhist symbolism on the dish and then they use their observation skills to locate and explore...
Curated OER
Systems of linear inequalities in standard form
Learners practice graphing linear inequalities and explain their solution sets to the solving of a system of linear equalities graphically and symbolically. They utilize programming techniques in setting up and solving systems of linear...
Curated OER
Systems of Equations
Students solve inequalities and systems of equations. In this algebra lesson, students use substitution and elimination as they solve algebraic systems. They use graphing and a table to support their solutions.
Curated OER
System of Two Quadratic Inequalities
Students graph a quadratic inequality and describe its solution set. They solve a system of quadratic equalities graphically and symbolically and as related to a real-world context.
Curated OER
Equations and Inequalities
In this equations and inequalities worksheet, 9th graders solve and graph 8 different problems that include various systems of equations. First, they determine the solution to each set of system of equations. Then, students graph the...
Curated OER
Solving Problems Using Systems of Equations Section 8.3
In this system of equations worksheet, students solve problems involving systems of equations. They read short stories, write equations relating to the information, and solve the systems of equations using the substitution or elimination...
Curated OER
Equations and Inequalities
In this equations and inequalities worksheet, 9th graders solve and complete 10 different problems that include selecting the appropriate letter that complete each problem. First, they determine the solutions of various systems of...
Curated OER
Solving Systems by Elimination
Students review solving absolute value equations. They watch as the teacher demonstrates solving a system of linear equations by addition. Students practice working problems by multiplying to obtain opposite cooefficients, and then...
Curated OER
Equations and Inequalities
In this equations and inequalities activity, 9th graders solve and complete 11 different problems that include a quotable puzzle. First, they solve each of the given problems. Then, students match the answer to the correct letter of the...
Curated OER
Equations and Inequalities
Students in a college algebra class use graphs to solve inequalities. Using the coordinate graphing system, they represent the relationship between x and y intercepts. They practice solving equations with complex numbers and locate...
Curated OER
Metric Units Of Length
In this metric units of length worksheet, students working with a partner problem solve and calculate the answers to twenty word problems and mathematical equations involving millimeters and kilometers.
Curated OER
Using Inequalities to Problem Solve
Learners explore inequalities. In this Algebra I lesson, students solve and graph linear inequalities involving addition, subtraction, multiplication, or division. Learners use inequalities to solve and graph real-world problems.
Curated OER
What on Earth is Greater Than?
Students compare things that are greater than, less than, or equal to, compare the Earth to other planets, and list planets from greatest size to smallest size.
Curated OER
Linear Systems and Echelon Forms
Eleventh graders define various types of linear systems and three types of solutions. In this linear system and echelon forms lesson, 11th graders solve a linear system using elementary row operations. Students also describe the set of...
Curated OER
The Mathematical Fingerprint of Our Solar System
Students study the beautiful mathematical model unique to our solar system.
Curated OER
Organ System Interactions
Eighth graders who have studied all of the organ systems now discover how they all are related and work together in the human body. They discuss a variety of situations in which more than one system plays a part. They identify the...
Curated OER
Numerical Analysis: Solving Systems Of Non-Linear Equations
In this numerical analysis worksheet, students solve systems of non-linear equations. Examples and explanation are provided. This two-page worksheet contains approximately three problems.
Curated OER
Circulatory and Respiratory Systems
Learners are taken to a shady location and they seat in a large circle. They are given three questions each. Students research and answer the three questions. They summarize the circulatory and respiratory system and relate how they...