Addition

Math Review of Operations with Real Numbers

Math Review of Operations with Real Numbers 150 150 Deborah

Overview Operations with real numbers are the most familiar types in mathematics. Those numerical expressions with constants and operations include such actions as addition, subtraction, multiplication, and division.   Many algebraic…

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Math Review of Commutative and Associative Properties

Math Review of Commutative and Associative Properties 150 150 Deborah

Overview:  Properties of Addition and Multiplication The commutative and associative properties of addition and multiplication are useful within operations.  Both properties help students to arrange and group numbers more effectively. …

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A Review of Math Fundamentals: Operations with Decimals

A Review of Math Fundamentals: Operations with Decimals 150 150 Deborah

Overview:  What Are Decimals? The word decimal has a Latin root that means “10”.  Any number written in base 10 (which is the numerical base that we generally use) is…

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Let’s Do a Pre-Algebra Review of Inequalities

Let’s Do a Pre-Algebra Review of Inequalities 150 150 Deborah

Overview:  What Are Inequalities? Most of the time, in order to solve problems in pre-algebra or algebra, students use equations, where number sentences are exactly equal.  However, some number sentences…

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Basica of Algebra: Order of Operations

Basica of Algebra: Order of Operations 150 150 Deborah

Overview:  A Set of Rules The order of operations refers to a set of rules that are commonly agreed upon in mathematics, so that the answer to a problem is…

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Order of Operations: PEMDAS

Order of Operations: PEMDAS 150 150 SchoolTutoring Academy

Arithmetic operations involve addition, subtraction, multiplication, division etc.  In an arithmetic operation, anything that is not a number may be an operation. Long ago, there was a lot of confusion…

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Algebra: How to do Vector Addition

Algebra: How to do Vector Addition 150 150 SchoolTutoring Academy

A Vector is a quantity which has both magnitude and direction. Example: Force, velocity, momentum etc. A vector is represented by a directed line segment. If the vector has the…

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Addition Theorem on Probability

Addition Theorem on Probability 150 150 SchoolTutoring Academy

The probability of happening an event can easily be found using the definition of probability. But just the definition cannot be used to find the probability of happening at least…

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Associative, Distributive and Commutative Properties

Associative, Distributive and Commutative Properties 150 150 SchoolTutoring Academy

Associative property: Associative law states that the order of grouping the numbers does not matter. This law holds for addition and multiplication but it doesn’t hold for subtraction and division.…

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Addition of Matrices

Addition of Matrices 150 150 SchoolTutoring Academy

Addition of matrices: If two matrices A and B are of  the same order mxn, then the sum A+B is of the same order mxn and contains the elements obtained…

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