Curated OER
Adding and Subtracting Positive and Negative Numbers
In this math worksheet, students complete 32 addition and subtraction problems. The first 22 involve integers. There are 6 problems with positive and negative decimals. The last 4 problems are fractions.
Curated OER
Squaring Function of Natural Numbers
Eighth graders complete problems where they use the definition of exponents to expand the squaring function of natural numbers. In this squaring natural numbers lesson plan, 8th graders also identify squares form 0 - 12 and complete a...
Curated OER
Clock Arithmetic and Cryptography
Students perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Students apply their multiplication, division, addition, and subtraction skills.
Curated OER
Hybrid Vehicles: Cut Pollution and Save Money
Students examine how driving a hybrid car can save money and cut down on pollution. In this hybrid vehicles lesson students complete an exercise that shows them how to work with proportions, percents, dimensional analysis and...
Alabama Learning Exchange
It's Around There Somewhere! Perimeter, and Circumference
Explore the concept of building equations for perimeter and circumference. Learners use rulers to measure the perimeter of half a sheet of paper. Then fold the sheet of paper numerous times, each time measuring perimeter. ...
Curated OER
Gazebo Construction
Students create and give oral proposals for the construction of a gazebo using a blueprint created with Geometer's Sketchpad. They then build a gazebo model using the blueprints created and provide evidence why it should be selected for...
Curated OER
Tower of Hanoi Lesson Plan
Learners investigate the Legend of the Tower of Hanoi and complete mathematical problems related to the legend. They play the Tower of Hanoi game online in order to discover the number pattern involved. They solve problems using the...
Pennsylvania Department of Education
Analyzing Numeric and Geometric Patterns of Paper Pool
Students use concrete and pictorial representation of geometric patterns to extend patterns. In this geometric patterns lesson plan, students identify patterns and extend them.
Curated OER
Sloping and Intersecting a Linear Function
Students examine and discuss typical linear equations, and the difference between a linear and nonlinear equation. They observe examples of linear equations and complete a worksheet.
Curated OER
One Step Equations
In this solving equations worksheet, learners solve 11 one step equations. Students subtract a constant to isolate the variable.
Curated OER
How Many Bears in the Forest?
Third graders model the tag and recapture of bears and use proportions to estimate the population of the bears in their forest. This is a statistical sampling method used by scientists and naturalists to determine population numbers.
Math Is Fun
Math Is Fun: Rational Expressions
Rational expressions are examined in this mathematics resource. The notes consist of detailed explanations and examples.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Mult. & Div. Rational Expressions
Use this site to learn the process needed to multiply and divide rational expressions. When finished, try the practice problems.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Adding & Sub. Rational Expressions
Rational expressions have never been so easy! Use this site to learn how to add and subtract them with ease and confidence. And common denominators? No Problem! Great practice problems are included to see how much you've learned.
Department of Defense
Do Dea: Algebra 1: Semester Ii: Rational Expressions
A learning module through which students learn about rational expressions including inverse relationships, multiplying and dividing rations expressions, adding and subtracting rational expressions, solving rational equations, and...
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Simplifying Rational Expressions
Walk through this tutorial to see exactly how rational expressions are simplified. When you're finished, try the practice problems to see how much you've learned.
Paul Dawkins
Paul's Online Notes: Algebra: Preliminaries: Rational Expressions
Detailed math tutorial features notes and examples that define rational expressions and investigate how to reduce a rational expression to lowest terms, add, subtract, multiply, and divide rational expressions.
Paul Dawkins
Paul's Online Notes: Algebra: Rational Inequalities
This math tutorial features notes and examples that illustrate how to solve inequalities that involve rational expressions.
Cuemath
Cuemath: Simplifying Rational Expressions
Learn more about rational expressions by understanding how to simplify rational expressions step-by-step along with some solved examples and a few interactive questions to test your understanding.
Math Planet
Math Planet: Simplify Rational Expression
An algebraic expression where both the numerator and the denominator are polynomials e.g.(x+3) / x is called a rational expression. Since the denominator can't be zero there are values of x which are excluded from the rational...
Math Planet
Math Planet: Algebra 2: Rational Expressions: Operate on Rational Expressions
Provides examples and a video lesson that illustrates how to simplify a rational expression. [1:17]
Math Planet
Math Planet: Algebra 1: Rational Expressions: Multiply Rational Expressions
How to multiply rational expressions is explained through the use of examples and a video lesson. [3:18]
CK-12 Foundation
Ck 12: Algebra: Multiplication of Rational Expressions
[Free Registration/Login may be required to access all resource tools.] In this lesson students multiply rational expressions involving monomials and polynomials. Students examine guided notes, review guided practice, watch instructional...