Math 152A

In-class Handout

Section 2.3 (Translating English to Math)

 

 

Underline the key information.  Convert to a math expression.

 

 

Twice the difference of a number and 3.

 

 

Four times a number decreased by 8 is 24.  Determine the number.

 

 

One number is 3 less than another number.  The sum of the numbers is 19.

 

 

Find three consecutive even integers such that three times the first decreased by the third is 50 more than the second.

 

 

Fill in the Table

 

Symbol

Word Phrases

Algebraic Expression

 

+

 

 

 

 

-

 

 

 

 

x

 

 

 

 

/

 

 

 

 

=

 

 

 

 

 

 

What does percent mean in Mathematical terms?

Steps to solve a word problem: