Identifying Variables
This worksheet helps sixth-grade students practice identifying variables in algebraic expressions and equations.
Includes
Standards
Topics
Identifying Variables
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Date:
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Read each question carefully and follow the instructions. A variable is a letter or symbol that represents an unknown quantity.
1. Which letter represents the variable in the expression 5 + x?
5
+
x
none of the above
2. In the equation y - 7 = 12, what is the variable?
y
7
12
-
3. In the algebraic expression 3m + 8, the variable is .
4. A letter used to represent an unknown number is called a .
5. The equation 15 = p / 3 has as its variable.
6. Identify the variable in the expression 2(a + 4) and explain how you know.
7. In the expression 9k, the number 9 is the variable.
True
False
8. The variable in the equation 10 = 2 + s is 's'.
True
False
Match each expression/equation with its variable.
9. 7 - d
a. z
10. 4w = 20
b. d
11. z + 1 = 5
c. w