# WRITING EXPRESSIONS WITH VARIABLES WORKSHEET

## About "Writing expressions with variables worksheet"

Writing expressions with variables worksheet :

Worksheet on writing expressions with variables is much useful to the students who would like to practice problems on algebraic expressions.

## Writing expressions with variables worksheet - Questions

Write each verbal phrase as algebraic expression.

1.  The sum of 5 times a number and 8.

2.  2 times the sum of 7 times a number and 4.

3.  7 less than 4 times a number.

4.  One fifth of sum of 3 times a number and 9.

5.  One seventh of 3 less than 4 times a number.

6.  Five times of a number is decreased by 8.

7.  Six times of a number is increased by 15.

8.  Six times of a number is increased by 15.

9.  Three times the difference between a number and 8.

10. One fourth of 3 times the difference between a number and 6.

## Writing expressions with variables - Answers

Question 1 :

Write the given verbal phrase into mathematical expression

"The sum of 5 times a number and 8"

5x + 8

Question 2 :

Write the given verbal phrase into mathematical expression

"2 times the sum of 7 times a number and 4"

2(7x + 4)

Question 3 :

Write the given verbal phrase into mathematical expression

"7 less than 4 times a number"

4x - 7

Question 4 :

Write the given verbal phrase into mathematical expression

"One fifth of sum of 3 times a number and 9"

( 3x + 9 ) / 5

Question 5 :

Write the given verbal phrase into mathematical expression

"One seventh of 3 less than 4 times a number"

( 4x - 3 ) / 7

Question 6 :

Write the given verbal phrase into mathematical expression

"5 times of a number is decreased by 8"

5x - 8

Question 7 :

Write the given verbal phrase into mathematical expression

"6 times of a number is increased by 15"

6x - 15

Question 8 :

Write the given verbal phrase into mathematical expression

"7 less than 3 times the sum of a number and 6"

3(x + 6) - 7

Question 9 :

Write the given verbal phrase into mathematical expression

"3 times the difference between a number and 8"

3(x - 8)

Question 10 :

Write the given verbal phrase into mathematical expression

"One fourth of 3 times the difference between a number and 6"

3(x - 6) / 4

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