MathematicsFreePrintable

Expressions Uncovered Worksheet

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Expressions Uncovered Worksheet worksheet preview

Expressions Uncovered Worksheet

Mathematical expressions and variables illustration

📚 Part 1: Understanding Expressions

1. Which of the following is a mathematical expression?

3x + 5

7 = 7

x > 4

What is x?

2. In the expression 4y + 7, what is the coefficient?

4

y

7

4y

3. In the expression 2x + 9 - 3y, what is the constant?

2

x

9

3

4. How many terms are in the expression 5a + 2b - 8?

2

3

4

5

✏️ Part 2: Identifying Parts of Expressions

5. Look at the expression: 6m + 3n - 12

a) Circle all the coefficients: ________________

b) The constant is: ________________

c) The variables are: ________________

6. Write an expression that means "8 more than 3 times a number n":
7. Sarah bought x pencils for $2 each and y erasers for $1 each. Write an expression for the total cost:

🔢 Part 3: Evaluating Expressions

8. Evaluate the expression 4x + 7 when x = 3:
9. If a = 5 and b = 2, find the value of 3a - 4b + 1:
10. Complete the sentence: In mathematics, a _____________ is a combination of numbers, variables, and operations, but it does not have an equal sign.

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