l>writing one procedure equations, expressions, statements

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

Intro
prior to this page, the reader need to haveRead that & and also concerning the use of this words in math expressions.Two number -- One Operation: addition & Subtraction This i presents words pertained to each the the an easy operations. The reader should currently be familiar with this words but, links have actually been provided in situation a review is desired. Right here are words linked with addition or subtraction. The paper definition is the crucial to the signs needed, not the word itself. Examples follow the list. wordsalgebraic symbolsreasontwo diminished by a number 2 - x begin with 2, make it smallera number reduced by two x - 2 begin with a number, do it smallertwo less than a number x - 2 start with a number, make it smallerfour an ext than a number x + 4 or 4 + x begin with a number, add 4the difference 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 the contrary of the amount of a number and also three-(x+3) or -(3+x) take it sum, take opposite of sum It may be practically for the reader to usage the an approach the author used in creating the reason column. Think of words expression as a task to be completed by a computation. Determine the to work needed. Think exactly how one would begin and, then think that what would need to be done to finish the task described. Notification the supplies of the preposition "of" in the critical example. Prepositional phrases rest up the expressions right into pieces. Those beginning with "of" are disputed on the critical page. Below, notification how the prepositional phrases, in blue, which start with by, between, from, and also than, do it much easier to research the phrase and determine where to start and what come do.wordsalgebraic symbolsreasontwo decreased by a number 2 - x begin with 2, do it smallera number decreased by 2 x - 2 start with a number, do 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, include 4the difference in between 6 and also a number 6 - x subtract, beginning with 6subtract 4 from a number x - 4 starting with a number, subtract 4the amount of 4 and also a number x + 4 or 4 + x add to obtain a sumthe opposite of the sum of a number and three-(x+3) or -(3+x) take sum, take it opposite of sum additional information is discovered in a preposition phrases. The preposition "from" is nearly always a tip-off the subtraction is required. Often, the desired mathematical expression starts through what is in the "from" preposition phrase. Multiplication & Division below are words connected with multiplication or division. The context is the vital to the symbols needed, not the word itself. Remember, the word and is a signal the there are two or much more ideas, not that enhancement is required. Remember, to use prepositional and other unit volume to rest up the expression in bespeak to identify what is required.Examples monitor the list. wordsalgebraic symbolsreasonthe product the two and a number 2x or 2(x) multiplya 3rd of the amount of a number and also two (x + 2)/3 start with the sum, take it a third of itdouble the difference in between 6 and also a number 2(6-x) start with the difference, multiply by 2triple the amount of four, five, and also a number 3(4 + 5 + x) begin with the sum, multiply by 3the worth of 4 nickels 4(5) or 5+5+5+5, etc. 4 fives or five four timesthe value of part nickels 5x multiply 5 times a number The last example may it is in HARD. Use the table below to research the reason an ext clearly. The value of x nickels is 5x. The worth of some nickels is 5x. Number of nickelsvalue the nickels 1   5(1) = 5 2   5(2) = 10 3   5(3) = 15 4   5(4) = 20 x   5(x) = 5x ExercisesI. Write the expression/equation then check the answer. Note: Your web browser may print the answers with spaces that space not ment to be there.1.) the square of five Answers5²2.) the square of five subtracted native a number Answersx - 5²3.)the the opposite of a number Answers-x4.) six less than half of a number Answersx/2 - 6 or .5x - 6 5.) the product the a number and also four Answers4(x) or 4x or (4)(x)6.) a number reduced by fiveAnswersx - 5 7.) 5 less 보다 a number Answersx - 5 8.) Ten is five less 보다 a number. Answers10 = x - 5 9.) A number is less than five.Answersx See extr info top top these.10.) one much less than a number Answersx - 111.) one less than a twin a number Answers2x - 112.) the opposite of the amount of a number and also 12 Answers-(x + 12)13.) triple a number Answers3x14.) double the amount of a number and also 1 Answers2(x + 1)III. Finish the table. Examine each answer.wordsalgebraic symbols1. Answersone less than a number  x - 12. The amount of six and dual a number Answers6 + 2x or 2x + 63. Twin the amount of six and a number Answers2(x + 6)4. The amount of three consecutive integersAnswers first + second + third(x) + (x + 1) + (x + 2) 5. The product the 2 continually odd integers Answers(first)(second) (x)(x + 2) IV. Finish the table. Inspect each answer.wordsalgebraic symbols1. One more than a numberAnswersx + 1 or 1 + x 2. Answersone less than a number or a number lessened by one x - 1 3. The product that a number and 3 and a different numberAnswers3xy 4.


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Answersdouble a number or the product of a number and two 2x5. Answersthe square that a number or a number multiplied by chin x2
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