Curated OER
Operations with Signed Numbers
In this operations activity, learners solve 10 different equations that contain signed numbers. First, they determine the operation in each equation. Then, students change the operation sign if it negative and add the problem. They also...
5280 Math
Stories That Formulas Tell
Learn the stories a formula holds. An interesting lesson takes a unique approach to teach how to use formulas. Beginning with a formula, learners predict what the variables stand for and then use the formula to make calculations and tell...
Curated OER
Extreme Elevations
Seventh graders use highest and lowest points of land elevation around the world to find the differences. Sea level is zero, so students be operating with positive and negative numbers. After students find the information on the...
Curated OER
Properties of Real Numbers
In this algebra instructional activity, 11th graders perform operations with real numbers. They simplify roots and rationalize the denominators by factoring. They calculate the absolute values of the roots. There are 11 questions.
Curated OER
Operations of Complex Numbers and Intro to DeMoivre's Theorem
Students solve problems with complex numbers. In this algebra lesson, students factor complex numbers and simplify equations using DeMoivre's Theorem. They add, subtract, multiply and divide using negative roots.
Curated OER
Quadratic Inequalities
In this quadratic inequalities worksheet, 9th graders solve and graph 10 different problems that include various forms of inequalities. First, they solve each equation shown algebraically. Then, students state the solution set of the...
Education Development Center
Geography of the Number Line
It's more than just numbers on a line, its an organizational, mental math machine to help learners understand the value of numbers. The tool is handy when introducing positive and negative integers to see their values and relationships....
Alabama Learning Exchange
Exponents and Division
Create a human fraction to learn about division of exponents. Scholars develop the rule for division of exponents by being part of a human fraction to explore and justify the rule. They also consider zero exponents and negative exponents.
Virginia Department of Education
Exponents
Expand your knowledge of exponents with an activity that promotes critical thinking and comparison skills. Middle and high schoolers compare numbers written in expanded and exponential form and explain their strategies for solving...
CK-12 Foundation
Use Square Roots to Solve Quadratic Equations: Plus or Minus
Get two answers from a single equation. Pupils use the interactive to take the square root of nine and see the graphical representation of the two solutions. Individuals realize that solutions to quadratic equations that are solved by...
Curated OER
Multiplying Decimals and Mixed Numbers
Students practice multiplying decimals and/or mixed numbers, explore the effects of multiplying decimals and mixed numbers, and practice predicting the effects of multiplying a number by a decimal or mixed number.
Curated OER
Integrated Algebra Practice: Absolute Value Expressions
In this absolute value expression worksheet, students solve 13 multiple choice and short answer questions. Students simplify absolute value expressions by adding, subtracting, and finding the absolute value of rational numbers.
Curated OER
Directed Numbers
For this algebra worksheet, students solve addition problems involving negative nad positive integers. There are 60 problems on this worksheet.
Curated OER
Solving Multi-step Equations
Seventh graders solve 10 different problems that take multiple steps to solve. First, they combine like terms if necessary. Pupils isolate the terms that contain the variable they want to solve. In addition, they substitute their answer...
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...
BW Walch
Creating Linear Inequalities in One Variable
Just when a young mathematician starts to feel comfortable turning word problems into linear equations, shake things up and throw inequalities in the mix. This excellent, instructive presentation takes the steps for solving an equality...
Curated OER
Negative Magic Squares
Magic squares are interesting objects in both mathematics proper and in recreational mathematics. So they are objects that children should have heard about and experienced. The problems in this sequence give students the opportunity to...
Curated OER
Simplifying Multiple Signs and Solving
In this simplifying multiple signs learning exercise, students simplify signs in equations and then produce a solution to them. They may type their answer into the learning exercise, and automatically check answers. Students must...
Curated OER
Integers
In this integers worksheet, students solve 10 different problems relating to integers. First, they use the roster method to write each set of even integers. Then, students use set builder notation to write the set of negative integers,...
Curated OER
Visual Expressions
In this visual expressions worksheet, 8th graders solve 10 different problems that use visual expressions to solve. First, they write the numerical expression for the models illustrated. Then, students use a number line to solve two...
Curated OER
Adding and Subtracting Integers
In this algebra worksheet, students solve problems containing integers using addition and subtraction. They add positive and negative numbers correctly. There are 30 problems with an answer key.
Curated OER
Complex Number
In this algebra worksheet, students identify the vertex of a quadratic functions. They identify complex numbers. There are 6 questions.
Curated OER
Solving Linear Inequalities
In this linear inequalities learning exercise, 10th graders solve 10 different problems that include various forms of linear inequalities. First, they determine the relationship of the numbers. Then, students multiply or divide to get...
Curated OER
Inequalities
In this inequalities learning exercise, students solve ten problems that are inequalities. They also identify that when solving inequalities, they have to flip the inequality sign when they multiply or divide the inequality by a...