Is it possible for a rectangle to have the same area and perimeter? If you disregard units, it happens! In a challenging task, groups work to determine the rectangles that meet these criterion. The hope is that learners will naturally...

There's a fine line between a numerator and a denominator! Learners find common denominators in order to add and subtract rational expressions. Examples include addition, subtraction, and complex fractions.

Data starts to tell a story when it takes shape. Learners describe skewed and symmetric data. They then use the graphs to estimate mean and standard deviation. 

How do you solve for an unknown angle? In this sixth installment of a 36-part series, young mathematicians use concepts learned in middle school geometry to set up and solve linear equations to find angle measures.

Apply the properties of exponents to expressions with negative exponents. The fifth lesson in the series explains the meaning of negative exponents through an exploration of the properties taught in the previous lessons of the...

Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to...

Scholars work collaboratively to compose a found poem from one of their favorite stories. With a finished product in hand, class members form a circle and perform their work for an audience by taking turns reciting one line till the poem...

Is your job a dream come true? Career seekers research to discover what their ideal jobs might be in the second of five career and college readiness lessons for sixth graders. After determining their occupational clusters, individuals...

Applying a learned technique to a new type of problem is an important skill in mathematics. The lesson asks scholars to apply their understanding to analyze dilations of different figures. They make conjectures and conclusions to...

Lead a discussion on the similarities between the properties of area and the properties of volume. Using upper and lower approximations, pupils arrive at the formula for the volume of a general cylinder. 

Make the irrational rational again! Continuing the theme from previous lessons in the series, the activity relates the polynomial identity difference of squares to conjugates. Learners develop the idea of a conjugate through analysis and...

Discover an important property of linear functions. Learners use the slope formula to calculate the rates of change of linear functions. They find that linear functions have constant rates of change and use this property to determine if...

No more inverting and multiplying to divide fractions. Applying concepts of measurement division from the previous lesson, pupils consider partitive division using fraction bars and number lines. They first convert fractions to like...

Study the beauty of the landscape around you with an innovative art lesson. After discussing the foreground, background, and middle ground of landscape art, kids work on making their own piece of landscape art. The lesson provides...

If you need some creative ways to teach the order of operations, use a series of activities that focus on properties. Each lesson uses different materials and works as a stand-alone activity, or can build upon the concepts of the last...

Sometimes it seems as if earthquakes hit the same places over and over again. Class members study Japan in order to determine why earthquakes keep happening there. Pairs work together to research and try to determine whether there...

Let me break it down for you! Introduce your class to a way of breaking up a complicated task into its component pieces. Individuals draw a complex figure using JavaScript and then break it down to help determine the...

Two informational texts feature community gardens of the past and present and how seeds grow. Scholars read, discuss what they have read, complete a timeline, define words, and compose a brief essay about the texts' main idea.

Whether you're a self-starting entrepreneur or a cubicle commando, finding a career that suits your personality is a must! The second lesson in a series of five career and college lesson plans focuses on work ethic and values. Learners...

Switching indoor water fixtures to low flow reduces water usage by more than 45 percent. This and other solutions to reduce water usage have both pros and cons. Scholars view videos of different solutions, discuss them in small groups,...

A growing demand for sustainable food systems comes from schools and even some cities. So what are some solutions? Scholars consider four different ways to approach sustainable food solutions and list the pros and cons of each. The fifth...

Need a unique approach to adding and subtracting polynomials? A helpful math lesson approaches the concept by relating polynomials to base 10. It encourages pupils to see each term as having a specific value, and therefore,...

Playing with mathematics can invoke curiosity and excitement. As pupils construct triangles with given criteria, they determine the necessary requirements to support similarity. After determining the criteria, they practice...

That's radical! Simplifying radicals may not be exciting, but it is an important skill. A math instructional activity provides explanations of properties used throughout the material. Scholars practice skills needed to multiply...