Pennsylvania Grades 4-8 - Math Subject Concentration (5158): Practice & Study Guide  /  Math Courses

Test Prep Plan - Take a practice test

Take this practice test to check your existing knowledge of the course material. We'll review your answers and create a Test Prep Plan for you based on your results.
How Test Prep Plans work
1
Answer 50 questions
Test your existing knowledge.
2
View your test results
Based on your results, we'll create a customized Test Prep Plan just for you!
3
Study smarter
Study more effectively: skip concepts you already know and focus on what you still need to learn.

Number Theory & Estimation Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. Which of the following is a composite number?

Question 2 2. Which sequence of numbers below is a list of multiples?

Question 3 3. Which of the following is NOT a way to begin the factor tree for 1230?

Question 4 4. Find the GCF of 15 and 35.

Question 5 5. Which of the following is a prime number?

Page 2

Question 6 6. What is the prime factorization of 4050?

Question 7 7. What is the short way to write the greatest common factor?

Question 8 8. Which of the following is an odd number?

Question 9 9. Which set notation means 'Any number that is greater than 2'?

Question 10 10. What is a Set?

Page 3

Question 11 11. What does the | mean in set notation?

Question 12 12. Which number is odd?

Question 13 13. Use estimation to find an estimate of the correct answer to 515 + 113 + 280 + 425. Using this information, choose the exact answer from the possibilities given.

Question 14 14. What is the prime factorization of 420?

Question 15 15. Even numbers end in all of the following numbers except which one?

Page 4

Question 16 16. An easy and efficient method to use when estimating is what?

Question 17 17. Find the GCF of 12 and 25.

Question 18 18. What is a concise phrase that sums up the definition of estimate?

Question 19 19. Odd numbers end in all of the following numbers except which one?

Question 20 20. For which of the number pairs below could you NOT use the shortcut of simply multiplying the two numbers together to find the LCM?

Page 5

Question 21 21. What is the shorthand way of writing the least common multiple?

Question 22 22. Which of the following is an even number?

Question 23 23. When using set builder notation, what does it mean to 'Define a set'?

Question 24 24. A factor is defined as the different numbers that can be multiplied together to arrive at the original number. Which choice below is the complete list of factors of 30?

Question 25 25. What numbers are included in the set {x | -3 < x < 2 }?

Page 6

Question 26 26. Which of the following is a composite number?

Question 27 27. What is the prime factorization of 32?

Question 28 28. How is estimating helpful when solving math problems in an academic setting?

Question 29 29. Which of the following is NOT a prime number?

Question 30 30. Find the LCM of 5 and 20.

Number Theory & Estimation Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Support