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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 6 - Mathematics
12.31 Value of an Algebraic Expression - I

The literal numbers or variables in an algebraic expression can take any value assigned to them. Thus, by substituting the assigned numerical values in place of the variables, we get the value of an algebraic expression.

Example: If x=3, find the value of 3x+4.
Solution: Substituting x=3 in the given equation,
we get, 3x3+4 = 9+4 = 13.


Directions: Find the value of the algebraic expressions and write your answers in the spaces provided. Also write at least 10 examples of your own.
Q 1: If a=15, find the value of 15a+5.
Answer:

Q 2: If y=7, find the value of 17y+6.
Answer:

Q 3: If x=11, find the value of 9+7x.
Answer:

Q 4: If b=7, find the value of 27x+15.
Answer:

Q 5: If x=21, find the value of 20+21x.
Answer:

Q 6: If x=5, find the value of 7x+2.
Answer:

Q 7: If n=7, find the value of 7x+1.
Answer:

Q 8: If x=15, find the value of 17x+90.
Answer:

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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