Mathat - Convert Written Statements to Symbols

by Latriece Roundtree
(Cleveland)

convert the following written statement to a mathematical statement

16 is 4 less than

Substitute an = sign for the word “is”

Insert the word “number” after the word than

Substitute the variable x for the words “a number”

. . .

Comments for Mathat - Convert Written Statements to Symbols

 Aug 16, 2011 Convert Written Statements to Symbols by: Staff The question: by Latriece Roundtree (Cleveland) 16 is 4 less than The answer: 16 is 4 less than Substitute an = sign for the word “is” 16 = 4 less than Insert the word “number” 16 = 4 less than “a number” Substitute the variable x for the words “a number” 16 = 4 LESS THAN x 16 equals “a number” MINUS 4 16 = x - 4 Solve for x 16 = x - 4 Add 4 to each side of the equation 16 + 4 = x - 4 + 4 16 + 4 = x + 0 16 + 4 = x 20 = x The unknown number is 20 The final answer is: 20 ----------------------------------------------- Examples of phrases which are often used to describe mathematical expressions involving addition and subtraction: The SUM of 8 and “a number” 8 + x 16 MORE THAN “a number” x + 16 “a number” PLUS 1 x + 1 “a number” IS INCREASED by 3 x + 3 the DIFFERENCE between 7 and “a number” 7 - x 21 MINUS “a number” 21 - x “a number” DECREASED by 2 x - 2 15 LESS THAN “a number” x - 15 Thanks for writing. Staff www.solving-math-problems.com

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