An excellent presentation shows youngsters how to properly use a calculator, and how to use it to solve word problems. Learners are given tips on how to use the four basic operation buttons, then they try their hand at solving word...

Kids love calcultor tricks. Youngsters like to form words that appear when you turn the calculator upside down. This trick is a bit more heady, in that it describes a unique phenomenon that holds true with virtually any four-digit...

A series of word problems relate to money and real world applications. Learners are encouraged to use calculators to solve each of the problems, however they can be solved with out the use of a technological device. Note: All money is in...

Do bigger sails mean that the sailboat goes faster? Middle and high schoolers compare sailboats, and learn that simply calculating sail area is not enough. A slideshow presentation demonstrates how to calculate the Sail...

Kids love calculator tricks. They can add, multiply, and divide using their basic calculator to build number sense and have fun at the same time. One trick and a full rational as to how it works makes a great morning warm up.

Try out the 421 Loop calculator trick. Your class will be amazed as they divide any even number by two and any odd number by three. As they repeat the process the answers results in a 421 loop. Super fun, super easy, and a great way to...

A wonderful resource just waiting to be used. Provide learners with a complete explanation on how to calculate the area of a rectangle. After this process is covered, they will see how they can use rectangles to calculate the area of...

Excite the class with a mathematical trick, a calculator, and a good number sense. They use the directions provided on each slide to make a list of numbers, use their calculator to divide, and find the golden mean. A little history on...

Eight word problems help learners to problem-solve using a calculator. They'll add, subtract, multiply, and divide to find each answer. Note: The problems are intended for a British audience so all monetary values are in pounds and...

There are so many ways to solve any given math problem. Get your problem-solving basics covered with this handy slide show. Various calculation methods are used to solve multiplication, addition, subtraction, and division problems...

Introduce your class to a sure-fire method for calculating probabilities. The method is described alongside several examples, then put into practice with a series of probability questions for the class to solve. This would be a great...

Kids can work through this series of linked division problems to determine patterns and practice calculator use. They start by making calculations as a class, then work on a given set of division and multiplication problems intended to...

Here is a fun calculator trick, perfect for getting your learners ready for a day of exciting math. They multiply any single-digit number by 12,3456,789 to reveal an amazing result. Teaching notes are included on two of the slides.

Calculator tricks are a fun way to warm up the class while building interest in math. Kids enter a four-digit number into their calculator twice, then divide by 137. The answer will amaze the class and make you a math magician!

Kids will use their calculator to add and subtract three digit numbers. If they complete the indicated steps they will all get the same answer regardless of the numbers they choose to put in. Amazing math tricks are fun but would be...

Performing calculations is for more than just mathematicians — it's an important science skill, too. Demonstrate the pH calculations using the slide show resource. The final resource of a seven-part unit introduces young scientists to...

If you're teaching 3rd or 4th grade math, this presentation is a must have. It defines perimeter and polygons, then describes the process by which perimeter is determined through pair share discussion and critical thinking questions....

Significant figures estimate the precision of your calculations. Teach your high school scientists how to count and identify significant figures at the beginning of the school year so that they are adept at using them in their...

The equilibrium constant does not change — as long as the temperature remains unchanged. Here's presentation that briefly reviews equilibrium constants  before working through four practice problems, including three calculating...

An excellent presentation on calculating area and perimeter is here for you. In it, young mathematicians are given five examples to solve for perimeter, then five examples to solve for area. The final two slides present a word problem...

An excellent presentation on calculating area and perimeter. Young mathematicians practice the skills involved with determining the area and the perimeter of a variety of rectangular shapes. The final two slides present a challenging...

You didn't know you'd find moles in chemistry class! Through the introduction of moles and molar volume at STP, classes see how to calculate moles using a given chemical equation. The presentation includes a short review of ions in...

"Step functions" are sometimes used to describe real-life situations. This extensive lesson with many practice examples demonstrates two such functions: the Greatest Integer Function and the Least Integer Function. The commands on the...

Start a class discussion around problem solving. This super short, simple presentation, tells children that their calculator is broken, then asks them to solve a single subtraction problem. They solve the problem and discuss the...