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 of & and also concerning the usage of this words in math expressions.Two numbers -- One Operation: enhancement & Subtraction This i presents words regarded each that the straightforward operations. The reader should already be familiar with these words but, links have actually been detailed in situation a evaluation is desired. Below are words associated with enhancement or subtraction. The paper definition is the key to the signs needed, not the word itself. Examples follow the list. wordsalgebraic symbolsreasontwo reduced by a number 2 - x begin with 2, do 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 more than a number x + 4 or 4 + x start with a number, include 4the difference in between 6 and also a number 6 - x subtract, starting with 6subtract four from a number x - 4 beginning with a number, subtract 4the amount of 4 and also a number x + 4 or 4 + x add to get a sumthe opposite of the amount of a number and three-(x+3) or -(3+x) take it sum, take it opposite of amount It may be convenient for the reader to use the technique the author used in creating the factor column. Think of words expression together a task to be perfect by a computation. Determine the operations needed. Think exactly how one would begin and, then think of what would need to be excellent to finish the task described. An alert the offers of the preposition "of" in the critical example. Preposition phrases rest up the expressions right into pieces. Those start with "of" are questioned on the critical page. Below, notification how the preposition phrases, in blue, which begin with by, between, from, and also than, make it simpler to study the phrase and determine whereby to start and also what come do.wordsalgebraic symbolsreasontwo diminished by a number 2 - x begin with 2, do it smallera number lessened by 2 x - 2 start 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 between 6 and also a number 6 - x subtract, beginning with 6subtract 4 from a number x - 4 starting with a number, subtract 4the sum of 4 and also a number x + 4 or 4 + x add to obtain a sumthe the opposite of the amount of a number and also three-(x+3) or -(3+x) take it sum, take opposite the sum additional information is discovered in a prepositional phrases. The preposition "from" is practically always a tip-off the subtraction is required. Often, the desired mathematical expression starts v what is in the "from" prepositional phrase. Multiplication & Division right here are words linked with multiplication or division. The context is the vital to the signs needed, not words itself. Remember, the word and is a signal that there are two or an ext ideas, not that addition is required. Remember, to usage prepositional and other unit volume to rest up the expression in bespeak to determine what is required.Examples follow the list. wordsalgebraic symbolsreasonthe product the two and a number 2x or 2(x) multiplya 3rd of the amount of a number and two (x + 2)/3 begin with the sum, take it a third of itdouble the difference in between 6 and also a number 2(6-x) begin with the difference, multiply by 2triple the amount of four, five, and a number 3(4 + 5 + x) start with the sum, multiply by 3the worth of 4 nickels 4(5) or 5+5+5+5, etc. 4 fives or five four timesthe worth of some nickels 5x multiply 5 time a number The last instance may be HARD. Use the table listed below to research the reason more clearly. The value of x nickels is 5x. The worth of some 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. Write the expression/equation then check the answer. Note: Your browser may print the answers v spaces that are not ment to it is in there.1.) the square of 5 Answers5²2.) the square of five subtracted indigenous 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 diminished by fiveAnswersx - 5 7.) five less 보다 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 ~ above these.10.) one much less than a number Answersx - 111.) one much less than a double a number Answers2x - 112.) the opposite of the amount of a number and also 12 Answers-(x + 12)13.) triple a number Answers3x14.) twice the sum 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 sum of 6 and dual a number Answers6 + 2x or 2x + 63. Dual the sum of six and a number Answers2(x + 6)4. The amount of three consecutive integersAnswers very first + 2nd + third(x) + (x + 1) + (x + 2) 5. The product that 2 consecutive odd integers Answers(first)(second) (x)(x + 2) IV. Finish the table. Check each answer.wordsalgebraic symbols1. One an ext than a numberAnswersx + 1 or 1 + x 2. Answersone less than a number or a number reduced by one x - 1 3. The product the a number and also 3 and a different numberAnswers3xy 4.


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