Need help with mental math in your classroom? This guide is full of tips, tricks, and examples to help the teacher encourage learners to use their brain instead of a calculator. Practice problems are included with reasons how...

You sunk my battleship via the Internet? Groups of three play a modified game of Battleship using the Internet Simulator. Team members determine how to address messages, so each player knows who the message is for, and refine their text...

Learn how to determine a probability distribution. In the ninth installment of a 21-part module, future mathematicians use theoretical probabilities to develop probability distributions for a random variable. They then use these...

Explore how to graph lines from different pieces of information. Scholars learn to graph linear functions when given an equation, given two points that satisfy the function, and when given the initial value and rate of change. They solve...

Many university professors complain incoming scholars struggle with interpreting graphs. A skill builder offers three different types of exercises including calculating slope, interpreting graphs, and extrapolating outside the plotted...

Nobody wants to make Nana mad! Help Mr. Meyer fix the chocolate milk he prepared for his Nana using too many scoops of chocolate. Youngsters develop a problem-solving strategy that leads to the solution using ratios and proportions.

Just how durable could a hollow ball bearing be? Learners model the strength of the walls of a ball bearing as a function of the radius of its cavity. They use their models to make reasonable conclusions about the probability of failure...

Research indicates that marijuana can negatively affect coordination and judgment, making it dangerous to drive while under the influence. But does it increase the risk of car crashes? An informative fact sheet describes the ways...

Seven tens, plus five ones, equals 75. Five ones, plus seven tens, also equals 75. These are the types of equations learners are asked to make true in a worksheet with 11 unfinished equations.

Two stuffed animals open a lesson plan that examines two types of touch. Scholars discuss the difference between comfortable and uncomfortable touch. They offer examples then brainstorm ways an individual can keep safe from uncomfortable...

Pack just enough to fit. Crews determine what personal items to take with them on a trip to Mars. Each team must decide what to take with them on a two-and-a-half year trip to Mars and whether their items will fit within the allotted...

Being able to estimate, understanding place value and fractions, and solving word problems are all important skills in math. This PowerPoint is a Jeopardy-style game where young mathematicians utilize all of these skills in order to win...

Ancient Egyptian's had a fantastic number system and your class gets to use it to practice basic math skills! They are presented with several examples of Egyptian numbers which they use to complete several addition and subtraction...

Scholars build a simple filtration system to remove impurities from muddy water and rate the filtered water to a grade of clarity scale. The focus is on teamwork and problem solving. This instructional activity would be effective in your...

An amazing amount of information is packed into this 44-page packet. Everything from how to avoid first day jiggers to planning first day activities, from personal and classroom safety tips to how to break up fights, from classroom...

Watch animated slides as RJ explains how to round numbers to the nearest ten and thousand. Viewers then get a chance to try it themselves.

After reading about the history and recycling of paper, creative crafters collaborate to think of a new process for making recycled paper. A complete teacher's guide and student worksheets are included. There is no written procedure for...

More than 100 cities around the world have shifted from fossil fuels to renewable energy sources. Scholars investigate a city wanting to make this switch, but needs help determining how to make the shift. Groups consider all options,...

Levitation tricks have been documented from the early 1900s, so how do they do it? Scholars learn about the force of magnetism in an attractive resource. They watch videos and design experiments to understand the strength and...

The six instructional shifts in this workshop definitely move math and science teachers' understanding of instruction. The workshop, 13th out of a series of 15, asks participants to examine sample tests and to look at how the six...

Mike and Kellie, a team of electrical engineers, demonstrate how to to design a contraption that accurately drops a marble onto a target. The materials needed and general instructions are provided on the website or via a downloadable...

Pre algebraic learners will be able to master conversion of fractions, decimals, and percents in no time when they use the illustrations on this resource.

Fourth graders solve multiplication word problems. In this multiplication problem solving lesson, 4th graders view an example of how to group objects in a word problem. Students practice solving these word problems with partners and use...

In this problem solving worksheet, students solve 1 word problem about two trains and a bee traveling towards each other.  Students determine the distance traveled by the bee given velocity of the trains and bee, and the distance...