Students investigate numbers, ways of representing numbers, relationships among numbers and number systems. They comprehend the meaning of operations and how they relate to each other.

In this sunspots instructional activity, students read about the large sunspots observed for thousands of years and their indication of solar storms. Students use given images to find the scales and physical sizes of the 3 sunspots shown.

Students examine how to take a sample by looking at rocks in the schoolyard. In this sampling lesson, students discuss ways to classify rocks by color, size, and weight. They think about how many rocks would make a good sample of...

Students explore the concept of quadrilaterals. In this quadrilaterals lesson, students use the slope formula, midpoint formula, and distance formula to justify that a given quadrilateral is a parallelogram.

Fifth graders share the book, "The Story of Money" and discuss the uses of money, bartering, trade and the history of money. Students discuss various ways of spending: cash, check, debit/credit cards and review the check writing process....

Ninth graders track the hit count on their favorite web sites.  In this Algebra I lesson, 9th graders record the number of hits on their favorite web site for twenty days.  Students explore the data to determine if the relation...

In this Algebra I learning exercise, 9th graders explore an alternate method for converting Celsius to Fahrenheit and determine the algebra behind the shortcut.  The one page learning exercise contains one problem.  Solution is...

Students identify the slope of a line. In this algebra lesson plan, students label slopes as positive, negative, zero or undefined. They use the slope formula to find the slope algebraically and graphically.

Students investigate road surface and calculate speed. In this algebra lesson, students analyze the roughness of a road and calculate distance and speed based on friction. They relate friction and energy to speed.

Students collect information and use a line to represent it. In this algebra lesson plan, students investigate real world data to see if it makes a line. They graph the line comparing the relationship of the x axis with that of...

Students explore averages by completing a data analysis activity. In this bell curve lesson, students measure different food items and plot their measurements on a X and Y axis. Students create bell curves around the average weight or...

Students practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.

Students use shapes and manipulatives to demonstrate patterns. In this patterns lesson plan, students also break up patterns to identify a pattern unit.

Students solve problems involving exponential, logarithmic, and scientific notations. Using calculators, students explore investment problems. They use a formula and logarithms to determine the years to earn a particular income, figure...

Middle schoolers receive a copy of a "Spaghetti Measure" task sheet along with the scoring rubric. Students preview the task and the rubric prior to starting the task. tudeThey determine the circumference of a circle of spaghetti that...

Students determine how much money they have in hand, find and read the price of a product, determine which product to buy, determine if they have enough money, and count out exact change or determine how much change is due.

Young scholars use newspaper ads to determine the best buy on products. They enter the information into a spreadsheet and then use word processing software to complete a written analysis, complete with graphs.

Young scholars determine an efficient layout of the pattern pieces needed to make a sports bag with given dimensions and specifications. Given a word problem, data set and a diagram, students evaluate the information they have available...

Learners examine what Eratosthenes is and the history behind him.  In this earth instructional activity students complete a hands on activity to repeat Eratosthenes' experiment.

Learners are familiar with United States currency-dollar and cents. They are asked to compare it with currency of another country. Students explore currencies of various countries using the Internet, video, and hands-on activities. ...

Learners calculate percent increases (or percent decreases) for the top 25 companies in terms of advertising dollars spent during a year.

Students learn how to use maps, compute mileage, and be physically active while exploring America's national parks, historical heritage, and nutritional information via key agricultural sites.

Learners engage in an easy way to practice addition and subtraction skills while moving in different ways.

Students calculate their carbon footprint. In this environmental technology lesson, students listen to a lecture on climate change. Students brainstorm solutions to reduce environmental impact based on travel options. Students calculate...