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# Related Subjects

Addition is the basic operation of arithmetic. In its simplest form, addition combines two numbers, the addends or terms, into a single number, the sum.

Adding more than two numbers can be viewed as repeated addition; this procedure is known as summation and includes ways to add infinitely many numbers in an infinite series; repeated addition of the number one is the most basic form of counting.

Addition is commutative and associative so the order in which the terms are added does not matter. The identity element of addition (the additive identity) is 0, that is, adding zero to any number will yield that same number. Also, the inverse element of addition (the additive inverse) is the opposite of any number, that is, adding the opposite of any number to the number itself will yield the additive identity, 0. For example, the opposite of 7 is (-7), so 7 + (-7) = 0. Addition can be given geometrically as follows.

If a and b are the lengths of two sticks, then if we place the sticks one after the other, the length of the stick thus formed will be a+b

Many 1st grade math students find addition difficult. They feel overwhelmed with addition homework, tests and projects. And it is not always easy to find addition tutor who is both good and affordable. Now finding addition help is easy. For your addition homework, addition tests, addition projects, and addition tutoring needs, TuLyn is a one-stop solution. You can master hundreds of math topics by using TuLyn.

Our addition videos replace text-based tutorials in 1st grade math books and give you better, step-by-step explanations of addition. Watch each video repeatedly until you understand how to approach addition problems and how to solve them.
• Tons of video tutorials on addition make it easy for you to better understand the concept.
• Tons of word problems on addition give you all the practice you need.
• Tons of printable worksheets on addition let you practice what you have learned in your 1st grade math class by watching the video tutorials.

Adding And Subtracting Decimals Mixed Review Example
Video Clip Length: 3 minutes 16 seconds
Video Clip Views: 99305

This clip solves a given decimal addition and subtraction question:

1.867 - 0.43 + 72.491 - 25.4

video, adding decimals, addition, addition of decimals, arithmetic operations, decimal addition, decimals, number sense, numbers, operations, operations with decimals, subtracting decimals, subtraction, subtraction of decimals
Simplifying Using Distributive Property With Negative Coefficients
Video Clip Length: 1 minute 59 seconds
Video Clip Views: 38410

This math video tutorial clip shows how to simplify algebraic expressions by following the rules of order of operations, distributive property and combining like terms.

Distributive property helps us get rid of the paranthesis first and then we combine the like terms to reach the solution.

addition, arithmetic operations, distributive property, expressions, multiplication, operations, properties of addition, properties of multiplication, simplifying expressions
Video Clip Length: 1 minute 13 seconds
Video Clip Views: 33169

This tutorial shows how to add two fractions with like denominators:  3/7 and 2/7.

video, adding fractions, addition, addition of fractions, arithmetic operations, denominator, fractions, like denominators, number sense, numbers, operations, operations with fractions

The attendance at a ball game was 400 people
The attendance at a ball game was 400 people. Student tickets cost \$2 and adults tickets cost \$3. If \$1050 was collected in ticket ...
distributive property
You have six gummy worms and eleven sticks of gum. Your friend is going to double the amount of the candies because you helped her out last Friday. You want to add all of the candies to find out how many you ...
Kent is 14 years older than Harlen
Kent is 14 years older than Harlen.
Next year Kent will be three times older than ...

(-8)+4
1/8+4/8
3/4 + 3/4
-2+(-21)=?
f+2(3-f)=4
Substitution and the distributive property using substraction
7x-8y=12
y=-2x+9
2(3+p) - 2 + 6p

Good job!
September 22, 2009, 11:47 pm

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