Evaluating Expressions For Two Variables
Practice
Topic Index | Grade 6 Math | Intermediate Test Prep | StudyZone

Answer each question by using substitution to evaluate an algebraic expression.


Check your answer by clicking on the 
answer and explanation box.

1.

5a - b + 4

if a = 5 and b = 2

 

 

 

2.

8  - x + y

if x = 7 and y = 9

 

 

 

 

 

3.

12/n + y

if n = 4 and y = 10

 

 

 

 

 

4.

s - t +10

if s = 20 and t = 5

 

 

 

 

 

5.

3x - t +10

if x = 5 and t = 2

 

 

 

 

 

6.

10r - s +25

if r = 2 and s = 5

 

 

 

 

 

7.

6x - y +30

if x = 2 and y = 6

 

 

 

 

Now let's review!
 

 
Topic Index | Grade 6 Math | Intermediate Test Prep | StudyZone

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