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 have to haveRead of & and concerning the usage of these words in mathematics expressions.Two number -- One Operation: addition & Subtraction This i presents words regarded each the the straightforward operations. The reader should already be familiar with these words but, links have actually been noted in situation a testimonial is desired. Here are words linked with addition or subtraction. The paper definition is the crucial to the symbols needed, not words itself. Examples follow the list. wordsalgebraic symbolsreasontwo diminished by a number 2 - x begin with 2, do it smallera number reduced by 2 x - 2 begin with a number, do it smallertwo less than a number x - 2 begin with a number, make it smallerfour much more than a number x + 4 or 4 + x begin with a number, add 4the difference in between 6 and a number 6 - x subtract, beginning with 6subtract four from a number x - 4 starting with a number, subtract 4the sum of 4 and also 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 it sum, take it opposite of sum It might be convenient for the leader to use the method the author used in writing the factor column. Think of the word expression as a task to be completed by a computation. Identify the to work needed. Think how one would start and, then think of what would need to be done to finish the job described. Notice the provides of the preposition "of" in the critical example. Prepositional phrases rest up the expressions into pieces. Those beginning with "of" are questioned on the critical page. Below, notice how the preposition phrases, in blue, which begin with by, between, from, and also than, do it easier to examine the phrase and also determine where to start and also what come do.wordsalgebraic symbolsreasontwo reduced by a number 2 - x start with 2, make it smallera number decreased by two x - 2 begin with a number, do it smallertwo much less than a number x - 2 start with a number, make it smallerfour more than a number x + 4 or 4 + x begin with a number, add 4the difference in 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 gain a sumthe the contrary of the sum of a number and three-(x+3) or -(3+x) take sum, take opposite that sum added information is discovered in a preposition phrases. The preposition "from" is nearly always a tip-off that subtraction is required. Often, the wanted mathematical expression starts v what is in the "from" prepositional phrase. Multiplication & Division right here are words connected with multiplication or division. The paper definition is the vital to the signs needed, not the word itself. Remember, the word and also is a signal that there room two or an ext ideas, not that enhancement is required. Remember, to usage prepositional and also other unit volume to break up the expression in bespeak to identify what is required.Examples follow the list. wordsalgebraic symbolsreasonthe product that two and a number 2x or 2(x) multiplya 3rd of the sum of a number and also two (x + 2)/3 begin with the sum, take a 3rd of itdouble the difference between 6 and a number 2(6-x) begin with the difference, multiply by 2triple the sum 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. Four fives or five four timesthe value of part nickels 5x multiply 5 times a number The last example may be HARD. Usage the table listed below to examine the reason an ext clearly. The worth of x nickels is 5x. The value of part nickels is 5x. Variety 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. Compose the expression/equation then check the answer. Note: Your browser may print the answers through spaces that are not ment to be there.1.) the square of five Answers5²2.) the square of 5 subtracted native a number Answersx - 5²3.)the opposite of a number Answers-x4.) six much less than fifty percent of a number Answersx/2 - 6 or .5x - 6 5.) the product that a number and four Answers4(x) or 4x or (4)(x)6.) a number lessened by fiveAnswersx - 5 7.) five less 보다 a number Answersx - 5 8.) Ten is 5 less 보다 a number. Answers10 = x - 5 9.) A number is much less than five.Answersx See added info on these.10.) one much less than a number Answersx - 111.) one much less than a dual a number Answers2x - 112.) the opposite of the sum of a number and 12 Answers-(x + 12)13.) triple a number Answers3x14.) double the sum of a number and also 1 Answers2(x + 1)III. Finish the table. Inspect each answer.wordsalgebraic symbols1. Answersone less than a number  x - 12. The amount of six and double a number Answers6 + 2x or 2x + 63. Twin the sum of six and also a number Answers2(x + 6)4. The sum of 3 consecutive integersAnswers very first + second + third(x) + (x + 1) + (x + 2) 5. The product of 2 continually odd integers Answers(first)(second) (x)(x + 2) IV. Complete the table. Check each answer.wordsalgebraic symbols1. One an ext than a numberAnswersx + 1 or 1 + x 2. Answersone much less than a number or a number decreased by one x - 1 3. The product that a number and also 3 and also a different numberAnswers3xy 4.


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