K-12

Dividing fractions is one of the basics that is needed for most math. It can be difficult if not explained well. Some people just think a calculator will work, well if you want your final answer...

Many students resent having to learn algebra in high school or college because they don't see how it applies to real life. Yet, the concepts and skills of Algebra 2 provide invaluable tools for...

Learning how to interpret and use the coordinate plane or "point system" is one of the trickiest hurdles in introductory algebra. You must understand the quadrants and be able to plot points...

Once kids have learned fractions, they must inevitably move on to mixed numbers. A mixed number is simply a whole number with a fraction. Most recipes contain a variety of mixed number...

Percentages can help you determine how much of something you have finished or how much you have out of the whole. It is a different way of expressing a fraction and, for some, is an easier...

A crucial step in many statistical analyses is the calculation of the sum of squared deviations from the mean, sometimes referred to as "calculating the sum of squares" or simply...

A denary number is a number in the base 10, or decimal, system. Most of the numbers used internationally are denary numbers, with a few exceptions possible in specific fields such as computer science.

Adding and subtracting negative numbers is easy once you learn a few simple steps. This tutorial will show you how to solve this common class of math problem that often appears in algebra...

Statistics is a branch of mathematics used to organize numerical data in order to analyze and understand it. After gathering data, you can make graphs to help visualize the information or perform...

Exponents can get tricky when they turn negative. I'm not saying they have a bad attitude, I'm saying the little number above the base is a negative number. In this tutorial I will explain the...

Counting by 10s is a skill that becomes automatic, and it can therefore be hard to teach someone else how to do it. Just remember the quick trick of adding a zero, and you and your student should...

A grade-point average (GPA) is the average numerical grade a student has earned for each class he has taken. An elementary school GPA differs from a high school or college GPA because in high...

An average is a single number used to describe an entire set of numbers. Since a single number can't fully describe a set of several numbers, several definitions of average have arisen to describe...

Kids learn division in elementary school. Division is one of the harder math concepts for them to grasp, but once they understand the methods it is easier. Division is a type of math that everyone...

Knowing the reading level of a book is critical for reading comprehension. There are multiple ways to find out the reading level of a book. Often, the reading level, or an age range, is provided...

Functions and linear equations are similar in that they both deal with x and y coordinates and points on a graph but have differences in limitations, appearance and purpose. Often, functions give...

When students begin sixth grade, they should have a strong knowledge of basic math, including addition, subtraction, multiplication and division. They should be able to perform these operations...

Clocks use two or three hands to tell time. The short hand is the hour hand and each time it moves from one number to the next one hour has passed. The next shortest hand is the minute hand and...

Integers occur everyday, all around us---in temperature, elevation and time. Understanding integers can be difficult, but some concrete examples will make it easier.

When dealing with statistics or probability theory, the “median” refers to the measure of central tendency of a set. In layman's terms, this means the number in the middle. Note that the term...

Learning to tell time is a fairly uncomplicated skill that you can master by memorizing a few basic rules. Afterward, you will be able to tell time from any clock at a glance.

Metric time is an alternative timekeeping system that uses 100 seconds per minute, 100 minutes per hour and 10 hours per day instead of the traditional 60 second per minute, 60 minutes per hour...

The laws of motion can be a little hard to digest if you're just a kid and you're reading the laws out of a textbook. Make the laws simple with some easy examples and a few demonstrations.

According to U.S. Department of Education resources on early childhood mathematics learning, parents enhance a child's later mathematics success in school by beginning to point out mathematical...

Third grade is a challenging year for math. The students are introduced to the concepts of multiplication, division and fractions. It is much easier for the children to understand fractions if...

In order to open a school locker, turn it three times to the right and bring it to the first number, turn it twice to the left for the second, and then come back to the right to the final number....

Multiplication times tables present a challenge to some people, as those who are less mathematically inclined rack their brains trying to find ways to memorize answers. If you have trouble with...

An interval is a continuous series of numbers, and the graph of an interval is a line along a number line between the first number of the series and the last number of the series. A common number...

Most school lockers have combination locks on them, but they can often be hard to open. Opening new lockers can be challenging because you need to get the code perfect. Learning how to quickly...

Infinity is thought of as the largest number that can be imagined. However, there are two orders of Infinity, one which is provably larger than the other. Follow these steps to prove it yourself.

Preschool often is a child's first formal introduction to the concept of numbers, adding and subtracting. Making a child's initial contact with math a positive experience is imperative to forming...

Numbers can be expressed in three forms: standard, word, and expanded form. If you struggle with teaching your student how to write numbers in expanded form, try these tips.

Scientific notation makes large numbers more manageable. Scientific notation has two parts, as Karen Timberlake describes in "Structures of Life: General, Organic, and Biological Chemistry," which...

Despite its unpleasant reputation, learning multiplication can be fun, active, and interesting. Rather than stare at a "times table" and using rote memorization, try these active multiplication...

The periodic table has been called the bible of chemistry. The name is appropriate when considering the involvement of the table in every chemist's work. It acts as a constant, vital reference and...

We have all heard at one time or another our kids whine, why do I have to learn math, I am never going to use it! Sooner or later it dawns on each of us that math is the building block to life....

The first step in teaching children that math can be enjoyable is to make it as such. Handing out a worksheet full of numbers will not earn any shouts of joy or excitement. When teaching a math...

Counting games add variety to the math curriculum for young children. Interactive games enable the participants to move beyond simply reciting the numbers in order to understand the concept of...

One of the math skills learned by children around 3rd or 4th grade is how to round numbers. It is an important part of estimating which is something adults do nearly every day - when grocery...

Dyscalculia is a lesser known learning disability relating to numbers without the difficulties in language associated with dyslexia. Approximately 6 to 7 percent of school-age children might...

This article will show you How To teach addition to young children.

Converting fractions into decimals is a pretty simple process once you get the hang of it! This simple article will show you how to convert fractions into decimals in just a few easy steps.

Simplifying fractions doesn’t have to be hard—in fact it shouldn’t be! This article will show you how to simplify your fractions in just 3 easy steps.

Subtraction of negative integers can seem like a jumbled mess of numbers. It can be very challenging to understand the rules. Most people can easily understand the concept of subtracting a...

Games can assist fourth-graders in becoming successful math students. According to the University of Chicago, creators of the curriculum Everyday Mathematics, games help to engage students in...

In mathematics, a number is called "prime" if it has only two factors: 1 and itself. A number is called "composite" if has more than two factors. (0 and 1 are neither prime...

Help your child learn and practice basic mathematics skills with engaging activities that won't seem like studying at all. Interesting math games that use manipulatives, cards or exercise can...

Converting a fraction into a decimal is fairly easy as long as you can divide, either by hand or with a calculator.

If you need to convert a decimal to a percent, you can do it in just a few easy steps. These steps can even be done in your head when you know how.

A percentage is a mathematical way of expressing a number. The number being expressed can be considered a fraction, a part of a whole or an amount in comparison to one hundred. The word "percent"...