www.mathsteacher.com.au/year8/ch01_arithmetic/01_basic/oper.htm

These operations are addition, subtraction, multiplication and division. Both the ...
Adding two (or more) numbers means to find their sum (or total). ... Also, we can
say that 17 minus 8 is 9. .... If you experience difficulties when using this Website,
tell us through the feedback form or by phoning the contact telephone number.

www.factmonster.com/ipka/A0933340.html

Do you do the subtraction first (6 – 3 = 3) and then the multiplication (3 x 2 = 6)?
... a step before Subtraction, so first we multiply 3 x 2, and then subtract the sum ...

www.purplemath.com/modules/fcnops.htm

For instance, when they give you the formulas for two functions and tell you to
find the sum, all they're telling you to do is add the two formulas. There's nothing ...

support.office.com/en-us/article/Use-Excel-as-your-calculator-df26bd14-e1a8-4618-b411-92349dd777a7

Instead of reaching for your calculator, use Microsoft Excel to do the math! ... You
can also enter a formula that uses the SUM function (also known as AutoSum) to
... Within easy reach in two locations on the Ribbon, you can find this button on
the ... Tip: For an operation to take precedence in the calculation, use
parentheses ....

www.eduplace.com/math/mathsteps/4/a/

But what happens when an expression requires multiple operations? ... a set of
rules called the order of operations to determine which operation to do first. ...
Now that all multiplication and division has been completed, you would continue
by ...

www.wyzant.com/resources/lessons/math/elementary_math/story_problems

There are key words here that often indicate which operation you will use. We will
give you a ... In addition to, sum, total, more than, altogether, in all, combined,
extra, raise, plus, both, additional ... When you get your answer, reread the
problem and ask yourself, “Does this answer make sense? ..... Need help finding
a tutor?

www.sosmath.com/algebra/fraction/frac3/frac39/frac39.html

How do you calculate 2 + 3 x 7? Is the answer 35 or is the answer 23? To know
the correct answer, one must know the correct order of operations with respect to
...

www.themathpage.com/alg/algebraic-expressions.htm

and write their sum over the common denominator." ... In other words, when there
is no operation sign between two letters, or between a letter and a number, it
always means ... In fact, you will see that you do algebra with your eyes, and then
what you write on the paper, follows. ... Read, then calculate each of the following
.

www.montereyinstitute.org/courses/DevelopmentalMath/COURSE_TEXT2_RESOURCE/U11_L3_T2_text_final.html

Just as you can perform the four operations on polynomials with one variable ...
The sum is 29x<sup>2</sup> – 8xy – 23y<sup>2</sup>. Rewrite as subtraction. Some people find that
writing the polynomial addition in a vertical form makes it easy to combine like
terms.

www.montereyinstitute.org/courses/DevelopmentalMath/COURSE_TEXT2_RESOURCE/U17_L3_T1_text_final.html

Given two functions, f and g, find their sum, f + g. · Given two ... In addition to
evaluating functions, you can do operations with functions. Let's say you are
working ...