A mixed number is a number that has a whole number part and a fractional part. Here is a visual representation of a mixed number. This model shows two rectangles that are shaded completely, which represents whole numbers, and one rectangle that is shaded partially, which represents a fraction. This fraction model represents the mixed … Read more
The conversion of area measurements is the process of changing between different units of measurement for the same quantity. For example, if a garden has an area of 1 square yard, this area can be converted to an equivalent amount of feet. Since 1 yard is equal to 3 feet, the length and the width … Read more
How to Change Fractions to Percentage In order to change a fraction to a percentage, first divide the numerator by the denominator, then multiply by 100% (move the decimal two places to the right). For example, to convert 5/8 into a percentage, first divide 5 by 8, which is 0.625. Then multiply your answer by … Read more
How to Add Decimals
Standard Form to Scientific Notation In order to change a number from standard form to scientific notation, you must first rewrite the number so it is between 1 and 10 by moving the decimal either to the left or right. For example, 32,581 would be changed to 3.2581. Then multiply the number by 10 raise … Read more
How to Change a Percent to a Decimal To convert a percentage to a decimal, simply divide the percentage by 100. A simple way to do this is to move the decimal two places to the left. Whenever you see a number, there is an implied decimal there, even if it is not shown. Take … Read more
The Reading section of the ACT® evaluates your ability to identify key ideas and details, understand a text’s craft and structure, and comprehend the integration of knowledge and ideas. ACT® is a registered trademark belonging to ACT Education Corp. (“ACT”). ACT is not involved with or affiliated with Mometrix Media LLC, nor does ACT endorse … Read more
The English section of the ACT® evaluates your standard English skills, including language knowledge, production of writing, and standard English conventions. ACT® is a registered trademark belonging to ACT Education Corp. (“ACT”). ACT is not involved with or affiliated with Mometrix Media LLC, nor does ACT endorse or sponsor any of the products or services … Read more
Use this calculator to help you quickly add, subtract, multiply, or divide fractions. +–×÷ Calculate Found a bug? Let us know! Knowing how to add, subtract, multiply, and divide fractions is an important math concept to understand! Take a look at these examples to see how each operation is performed: Adding Fractions Denominator is the … Read more
Mometrix’s basic arithmetic videos are general reviews of the concepts, ideas, and topics that may be presented on an exam. Each of these videos will give a wide-scope review of what a test taker may need to know as they prepare to take a test. Addition/Subtraction Mathematical Operations Subtracting Large Numbers Multiplication/Division Factors Mathematical Operations … Read more