Your young physicists analyze the forms of four equivalent exponential expressions representing an amount of a radioactive material in a substance. They show how each expression is equivalent to the others and what aspects of the decay...

Your young microbiologists will interpret and solve exponential equations in this real-world context task set in a hospital research scenario. Learners think in terms of the functions as well as their rates of change. 

Help remove some of the confusion surrounding the addition and subtraction of radical numbers with this set skills practice problems. Taken straight from the pages of a math text book, this resource provides learners with...

For this factorial activity, students compute the factorial of a given number. This on-line activity provides 10 problems and is a self-checking activity.

What are terms, factors, and coefficients? This slideshow provides definitions and examples of various parts of algebraic expressions, and provides guided practice problems in writing and identifying parts of algebraic expressions for...

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...

Students observe and count bird sightings around their schoolyard throughout the school year.

Examine the concept of an electromagnetic spectrum with your students, as they observe a demonstration of a model, construct and compare a different model of the spectrum commonly used in textbooks, and construct their own models of the...

Eighth graders recognize and express numbers when written in time saving techniques. They gather data from a variety of sources, including print and electronic media. They develop a presentation using a variety of techniques.

Sixth graders will practice dealing with whole numbers using the order of operations and performing calculations using the four basic operations. The lesson also includes practical investigation into the use of rational numbers.

In this reaction kinetics worksheet, students draw a graph of energy vs. reaction progress and determine the factors which change the speed of a reaction. Students learn about rate laws. This worksheet has 1 graph, 15 fill in the blanks,...

Students choose a car from an Internet used car dealer and then calculate their monthly payment. All the necessary resources and formulas are provided. This is a simple, but practical and effective, lesson for a math or life skills class.

Learn the rules for the order of operations with an electronic worksheet. Learners evaluate whole-number expressions and translate a word problem into an arithmetic expression. The resource includes several examples for each rule.

Students pretend to borrow $1000.00 on a credit card. They pretend to make the minimum payments for a year. When they're done, they make a pie chart showing how much of their payments reduced their debt, and how much was interest.

Sixth graders enjoy playing Jeopardy as a review for expressing conversions between fractions, decimals and percents. This lesson provides a fun, motivating way for students to demonstrate their learning!

Learners analyze the Order of Operations. They play a game to explore Order of Operations and observe a PowerPoint presentation slide sow. They generate patterns and functions to represent and solve problems. Students model and solve...

In this adding and subtracting fractions worksheet, learners solve 5 sets of problems related to the adding and subtracting of fractions. First, they identify that each fraction has a common denominator and then simplify by adding or...

Students subtract monomials and polynomials by combining like terms. For this advanced subtraction lesson, students define the rules and properties for subtraction of polynomials. They apply the rules for addition to help with the rules...

Middle schoolers identify and interpret various ways of expressing probability as a decimal, fraction, percent, or ratio. They solve problems based on probability as they apply to real world applications.

Students explore the concept of quadratic functions and review how to solve and graph linear functions. They play a game for reviewing linear functions to stay engaged in the lesson and then plot and graph a multitude of different...

Students visit a web page that gives a brief introduction to two color models and experiment with mixing different color intensities to create different colors. They visit links that give more detailed information on color.

Fourth graders use square tiles to help them explain the concept of square numbers.

Fifth graders identify the prime factorization for 48 using different sets of factors. They find the prime factorization for 60.