K-12 For Students

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...

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

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

Normal probability calculates the number of occurrences for an event based on a certain number of possible outcomes. The calculation is generally expressed as a percentage or a number from zero to...

Multiplying 11 can sometimes be hard or take too long if you are trying to multiply it by a two digit number. I have a way to do it quickly and effortlessly. All you have to do is follow a few...

According to the National Council of Teachers of Mathematics (NCTM), "Mathematical games can foster mathematical communication as students explain and justify their moves to one another. In...

Ratios are primarily used as a way to quantify a comparison between two different items. In words, a ratio is represented by the word "to" or "compared to." They can be written as fractions, using...

A "combination" is an unordered series of distinct elements. An ordered series of distinct elements is referred to as a "permutation." A salad may contain lettuce, tomatoes and olives. It does not...

Graphs are a simple way to display and draw conclusions about data. A "number line plot" provides a quick snapshot of trends in the data. Thiat type of graph can be used by children and adults for...

A number line is a handy tool in the classroom when teaching basic math skills. It has the power to easily illustrate addition and subtraction. Beginners can start by using integers, or whole...

Science can be a challenging subject to study. Throw in the periodic table and it may seem like there are too many letters and numbers coming your way. Figuring out the amount of protons,...

Once children reach junior high, they begin to use lockers to store their books, coats and other belongings. These lockers are often secured with combination locks. Young children may not be sure...

A prime number is a positive whole number with exactly two factors, which are one and itself. Use multiplication tables and factor trees to help determine if a number is a prime number with help...

In order to convert a score into a percentage, divide the top number by the bottom number. Divide correct answers by total questions to make a test score into a percentage with help from a tutor...

Rounding fractions is an important tool in everyday life. This includes cooking, hands-on job skills such as plumbing and engineering and as simple as telling time. Learning to round fractions...

To simplify a cubed root, you have to factor it. Factoring a cube root is like factoring any other number. The difference is that you have to find numbers that are cubed to remove them from the...

Knowing how to unlock a school locker is an important part of the school day for most middle school and high school students. Let's face it, the thought of carrying every single notebook and...

Mathematics is one of those most dreaded subjects for many students throughout their school years. With graphs, complex equations, and the many different shapes that can be involved it is no...

Mathematics is one of those most dreaded subjects for many students throughout their school years. With graphs, complex equations, and the many different shapes that can be involved it is no...

When doing math equations it can sometimes be difficult and daunting to look down at a problem and be faced with a variety of different looking numbers. When you have mixed terms you need to...

Fractions are simply proportions of a whole. There are two parts to a fraction, a numerator which is the top number, and a denominator which is the bottom number. In mathematics, for a fraction...

When it comes to measurements in the physical sciences, determining significant figures is a crucial skill. From converting measurements, to really any type of equation used in science, using...

What does it mean to say that you got an 80 percent on a 25 question test? Percentage is used to show how big one number is in relation to another. It does this by expressing the number is a...

A fraction has a numerator on the top and a denominator on the bottom. The reciprocal of a fraction is obtained by switching the numerator with the denominator.

A fraction is a part of a whole (such as 1/2 or 4/5). It is written with a number on the top and a number on the bottom. The top number is called a numerator and the bottom number is called a...

When you have a locker at school, learning to open it can be very difficult. If you take too long to open it, it can cause you to be late to class. It's best to learn how to open your locker...

A mixed fraction is a whole number combined with a fraction. For example, 2 3/4 is a mixed fraction. The number 2 is the whole number, the number 3 is the numerator (upper fraction), and the...