## Expression Worksheet1

In this topic expression worksheet1 we have given 10 questions in the form of quiz and you can get direct answers by clicking the answer.

Definition for expression:

An expression is a mathematical statement which combines numbers and variables using mathematical operations. Expressions are used to find the value of missing information.

The basic mathematical expression begins with arithmetic. A mathematical statement like 4+7 is a simple basic mathematical expression. If it involves variables  (alphabets) it is called algebraic expressions. Algebraic expressions can be single variate or multi variate.

2x +3 is single variable expression.

2x + 3y + z is multi variable expression.

Now let us see some problems involving expressions. 1. 15 is decreased by z.

 (A)   15 - z (B)  z - 15 (C)  15z

2.6 less than twice y.

 (A)   y - 6 (B)  6 - 2y (C)  2y - 6

3.Difference between a and the product of x,y,f.

 xyf - a a - xyf axy - f

4.Twice p divided by 7.

 14p 7/2p 2p/7

5. T cubed divided by r.

 r / t³ t³ / r t³r

6. 3 times the difference between 2 and n.

 3 ( 2 - n ) 2 ( 3 - n ) 3 ( n - 2 )

7. U increased by , divided by X.

 X/U XU U/X

8.One fourth of p divided by 8.

 1/2 (p ÷ 8) 1/4 (p ÷ 8) 4 (p ÷ 8)

9. The sum of p,q and 4 times r.

 4r - p + q p - q + 4r p + q + 4r

10. product of x and y decreased by 10.

 10- xy xy - 10 10xy

Students can try to form the expressions given above. They can verify their answers, with the answers given below. By practicing similar problems they can master in expressions.  If you are having any doubt you can contact us through mail, we will help you to clear your doubts.  We welcome your valuable comments to improve our site. Please send your using the box below.

Answers :

1. 15 - z
2. 2y - 6
3. a - xyf
4. 2p/7
5. t³ / r
6. 3 ( 2 - n )
7. U/X
8. 1/4 (p ÷ 8)
9. p + q + 4r
10. xy - 10

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