For many young children it seems obvious that longer objects are heavier than shorter objects. This assumption is put to the test as the class investigates the relationship between length and weight in a whole-group activity. Using a...

Follow six steps to implement this series of metric worksheets. Here, mathematicians exhibit their knowledge of problem solving, while converting units of measurement and label their answers with the applicable unit name.

Getting the right measurements can save a lot of time and money in the real world. Learners are introduced to unit conversion and how to accurately go from one unit to another. The first pages are notes and then the packet finishes with...

Build a basic understanding of units of measure and create a great foundation for your learners. The lesson gives a complete overview of everything measurement, from types of measurement to rounding to conversions — it has it all! 

Not only do future engineers learn the difference between accuracy and precision, they also get some hands-on experience using different measuring tools. 

Applying this metric activity, mathematicians will provide standard metric units of measurement, identify the largest and best way to measure items using the metric system, and convert units using King Henry.

How do you calculate your Body Mass Index, and why is this information a valuable indicator of health? Class members discover not only what BMI is and practice calculating it using the height and weight of six fictitious individuals, but...

Planning a unit on simple machines? Save some time and energy with this collection of lessons and activities that explores how these devices are used in the real world to make life a little easier. 

How do you create a residual plot? Work as a class and in small groups through the activity in order to learn how to build a residual plot. The activity builds upon previous learning on calculating residuals and serves as a...

Augment your math curriculum with posters detailing several concepts important to second grade math. Each poster features one math term from geometry, measurement, probability and statistics, computation and estimation, numbers and...

Learners explore atomic measurement in the first activity in a series of 36. Through readings, activities, and questions, classes review standard SI units, learn about Avogadro's constant, and use it to help them calculate moles. They...

How diverse is the rainforest? How much more diverse is a rain forest than a temperate forest? Explore these focus questions in a lesson that explores the plants, animals, and insects in forests. After listening to a reading...

Science, technology, and math come together in this one combination exercise. Analyzing the common soda can from both a purely mathematical perspective and a scientific angle allows for a surprisingly sophisticated comparison of...

Go from feet to inches to yards and back again with this notes and worksheet combo resource. Several pages of examples regarding unit conversion of the English system are given, followed by different pages of problems. There is a nice...

Handling and processing data is a big part of what real scientists do. Provide a way for your learners to explore graphs and data related to the animals that live on the African savannah. They begin their analysis by discussing what they...

Watch the damage from a forest fire in this interactive simulation activity that challenges learners to estimate the burn area using different approaches. Learners are given a worksheet to track the different burn patterns and practice...

Young learners discuss how to practice healthy eating habits and the body's need for energy through discussion and exploration of the MyPlate system.

Your young economists will explore the roots of fears about high inflation by learning the effects of rising prices during the world wars and in particular the Great Inflation of the 1970s.

What makes a good best-fit line? In the 10th part of a 16-part module, scholars learn how to analyze trend lines to choose the best fit, and to write equations for best-fit lines to make predictions.

Skyscrapers are amazing feats of architectural design that create the iconic skylines of the world's biggest cities. Young architects explore the defining characteristics of these monstrous towers with the first lesson in this four-part...

Hands-on investigation of Riemann sums becomes possible without intensive arithmetic gymnastics with this interactive lesson plan. Learners manipulate online graphing tools to develop and test theories about right, left, and...

Analyze trends in the stock market using histograms. Future economists use data presented in a histogram to find periods of greatest increase and decrease. They also draw conclusions about days that would be best to invest.

Join Congress as they assess their economic abilities for spending—and as they discover their limits. High schoolers use an educational resource to explore Congress's economic powers and learn to apply these concepts to their everyday...

Time to teach your students how to read a clock? This resource is here to help! Engaging young mathematicians with two fun videos and a series of hands-on activities, these lessons offer a multimedia approach to teaching this important...