Category: mathematics tutorials

Free Mathematics Tutorials, Problems and Worksheets (with applets)

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Perimeter and Area

The perimeter is the length of the outline of a shape. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides. x is in...

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Multiply and Divide Fractions

To multiply fractions, all you have to do is multiply the numerators and denominators and simplify the result. To divide fractions, you simply have to flip the numerator and denominator of one of the...

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Ordering and Rounding

Comparing, Ordering and Rounding Decimals. Comparing Decimals At the beginning of this course, we we encountered the number line, a graphical device that helps us visualize the relationships between two numbers. Just as we...

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Multiply and Divide Whole Numbers

Multiplication and Division of Whole Numbers. Multiplication of whole numbers. Multiplication is the repeated addition of the same number. The numbers that are multiplied are called factors. The answer is called the product. The...