Introduction to Pre-Algebra
This worksheet introduces fundamental pre-algebra concepts for 7th graders, covering operations with integers, evaluating expressions, and solving basic equations.
Includes
Standards
Topics
Introduction to Pre-Algebra
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Date:
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Read each question carefully and answer to the best of your ability. Show all your work for full credit.
Part 1: Operations with Integers
Solve the following problems involving integers.
1. -8 + 15 =
2. 12 - (-7) =
3. -6 × 4 =
4. -20 ÷ -5 =
Determine if the following statements are true or false.
5. The product of two negative integers is always positive.
True
False
6. Subtracting a negative number is the same as adding a positive number.
True
False
Part 2: Evaluating Expressions
Evaluate each expression given the value of the variable.
7. Evaluate 3x - 5 when x = 4.
8. Evaluate 2(y + 6) when y = -3.
9. In the expression 5x + 7, what is the '5' called?
Variable
Constant
Coefficient
Term
Part 3: Solving Basic Equations
Solve each one-step equation for the variable.
10. x + 9 = 20
11. y - 6 = -14
12. 4z = 28
13. m / 5 = -3
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