l>writing one procedure equations, expressions, statements

writing one-operation equations, expressions, statements|Intro |Of & and |of practice | |add, subtract |multiply, divide |the value of ... |exercises|

Intro
prior to this page, the reader need to haveRead that & and concerning the use of this words in mathematical expressions.Two number -- One Operation: addition & Subtraction This i presents words related to each of the simple operations. The leader should already be acquainted with this words but, links have been provided in situation a evaluation is desired. Below are words linked with enhancement or subtraction. The paper definition is the key to the icons needed, not the word itself. Instances follow the list. wordsalgebraic symbolsreasontwo reduced by a number 2 - x start with 2, do it smallera number reduced by two x - 2 begin with a number, make it smallertwo less than a number x - 2 begin with a number, do it smallerfour much more than a number x + 4 or 4 + x begin with a number, add 4the difference between 6 and also a number 6 - x subtract, beginning with 6subtract four from a number x - 4 starting with a number, subtract 4the amount of 4 and a number x + 4 or 4 + x include to get a sumthe the opposite of the amount of a number and three-(x+3) or -(3+x) take sum, take it opposite of sum It might be practically for the reader to use the method the writer used in writing the factor column. Think of the word expression as a job to be completed by a computation. Determine the to work needed. Think exactly how one would start and, then think the what would should be excellent to finish the job described. An alert the uses of the preposition "of" in the critical example. Prepositional phrases break up the expressions into pieces. Those start with "of" are discussed on the critical page. Below, notice how the prepositional phrases, in blue, which start with by, between, from, and also than, make it less complicated to study the phrase and also determine whereby to start and what to do.wordsalgebraic symbolsreasontwo diminished by a number 2 - x begin with 2, make it smallera number decreased by 2 x - 2 begin with a number, make it smallertwo much less than a number x - 2 start with a number, do it smallerfour an ext than a number x + 4 or 4 + x start with a number, include 4the difference in between 6 and a number 6 - x subtract, starting with 6subtract 4 from a number x - 4 starting with a number, subtract 4the amount of 4 and a number x + 4 or 4 + x add to obtain a sumthe opposite of the amount of a number and three-(x+3) or -(3+x) take sum, take it opposite the sum extr information is found in a preposition phrases. The preposition "from" is virtually always a tip-off the subtraction is required. Often, the preferred mathematical expression starts v what is in the "from" prepositional phrase. Multiplication & Division below are words connected with multiplication or division. The context is the key to the signs needed, not words itself. Remember, the word and is a signal that there are two or much more ideas, not that addition is required. Remember, to usage prepositional and other phrases to rest up the expression in order to identify what is required.Examples monitor the list. wordsalgebraic symbolsreasonthe product the two and also a number 2x or 2(x) multiplya 3rd of the amount of a number and two (x + 2)/3 start with the sum, take a third of itdouble the difference between 6 and a number 2(6-x) begin with the difference, main point by 2triple the amount of four, five, and a number 3(4 + 5 + x) start with the sum, main point by 3the value of 4 nickels 4(5) or 5+5+5+5, etc. 4 fives or five four timesthe worth of part nickels 5x multiply 5 time a number The last instance may it is in HARD. Use the table listed below to study the reason much more clearly. The value of x nickels is 5x. The worth of part nickels is 5x. Variety of nickelsvalue of nickels 1   5(1) = 5 2   5(2) = 10 3   5(3) = 15 4   5(4) = 20 x   5(x) = 5x ExercisesI. Create the expression/equation then check the answer. Note: Your web browser may publish the answers through spaces that are not ment to be there.1.) the square of 5 Answers5²2.) the square of 5 subtracted indigenous a number Answersx - 5²3.)the the contrary of a number Answers-x4.) six much less than half of a number Answersx/2 - 6 or .5x - 6 5.) the product the a number and four Answers4(x) or 4x or (4)(x)6.) a number decreased by fiveAnswersx - 5 7.) five less than a number Answersx - 5 8.) Ten is 5 less than a number. Answers10 = x - 5 9.) A number is much less than five.Answersx See additional info top top these.10.) one much less than a number Answersx - 111.) one much less than a twin a number Answers2x - 112.) the contrary of the amount of a number and also 12 Answers-(x + 12)13.) triple a number Answers3x14.) twice the amount of a number and also 1 Answers2(x + 1)III. Complete the table. Inspect each answer.wordsalgebraic symbols1. Answersone much less than a number  x - 12. The amount of 6 and dual a number Answers6 + 2x or 2x + 63. Double the amount of six and a number Answers2(x + 6)4. The sum of 3 consecutive integersAnswers first + 2nd + third(x) + (x + 1) + (x + 2) 5. The product the 2 continuous odd integers Answers(first)(second) (x)(x + 2) IV. Finish the table. Examine each answer.wordsalgebraic symbols1. One more than a numberAnswersx + 1 or 1 + x 2. Answersone much less than a number or a number lessened by one x - 1 3. The product that a number and also 3 and a different numberAnswers3xy 4.


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Answersdouble a number or the product that a number and two 2x5. Answersthe square the a number or a number multiply by itself x2
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