MathematicsFreePrintable
Expressions and Prime Numbers
A free mathematics worksheet ready for your classroom. Open in Kuraplan to grab the print-ready PDF, customize it for your students, or generate a fresh version in seconds.
Expressions and Prime Numbers
🔢 Part 1: Prime or Composite?
1. Circle whether each number is prime or composite:
a) 7: Prime or Composite
b) 9: Prime or Composite
c) 11: Prime or Composite
d) 15: Prime or Composite
2. Which statement is true about prime numbers?
They have exactly two factors: 1 and themselves
They have more than two factors
They are always even numbers
They are always odd numbers
3. List all the prime numbers between 10 and 20:
📝 Part 2: Understanding Expressions
4. Which of the following are expressions? (Check all that apply)
3 + x
5 = 2 + 3
2y + 7
x = 4
5. If x represents a prime number, find the value of the expression 2x + 1 when:
a) x = 2: 2x + 1 = _______
b) x = 3: 2x + 1 = _______
c) x = 5: 2x + 1 = _______
6. Write an expression using the variable y that includes addition:
🧠 Part 3: Connecting Concepts
7. Complete the statement: An expression is different from an equation because...
An expression has an equals sign
An expression asks a question that can be solved
An expression shows a value but doesn't ask a question
An expression always uses prime numbers
8. Challenge: If p represents any prime number greater than 2, what can you say about the expression p + 1?
It will always be prime
It will always be composite
It will always be even
It will always be odd
9. Explain your reasoning for question 8:
About This Worksheet
Free in Kuraplan
Sign up free, grab the PDF, and customize it for your class.
Print-Ready
Formatted for standard paper. Clean layout, easy to read.
AI-Generated
Created with Kuraplan's AI, designed for real classroom use.
For Teachers & Parents
Use in classrooms, for homework, tutoring, or homeschool.
Need a custom version of this worksheet?
Kuraplan's AI generates custom worksheets in seconds — differentiated for every learner, aligned to your curriculum.
Generate Custom Worksheets — Free No credit card Curriculum-aligned Under 60 seconds
More Mathematics Worksheets
6th Grade
Rainbow Room Equation Escape
Free
10th Grade
Quadratic Formula Error Analysis
Free
9th Grade
Basic Algebra Terms Quiz
Free
10th Grade
Radicals and Rational Exponents
Free
9th Grade
Algebra I Semester 1 Review
Free
11th Grade
Substitution Method Practice
Free
8th Grade
Two-Step Equations Practice
Free
10th Grade