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Alberta Education Diploma - Mathematics 30-2: Exam Prep & Study Guide  /  Math Courses

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Number Systems & Factoring 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. Computers use which number system?

Question 2 2. Which number system has places of four, sixteen, and sixty-four?

Question 3 3. What is another name for base two?

Question 4 4. Which number system has places of five, twenty-five, and one hundred twenty-five?

Question 5 5. For the most part, humans use which number system?

Page 2

Question 6 6. 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 7 7. Find the GCF of 15 and 35.

Question 8 8. Find the GCF of 9 and 45.

Question 9 9. What is the short way to write the greatest common factor?

Question 10 10. Find the GCF of 12 and 25.

Page 3

Question 11 11. Which of the following is a prime number?

Question 12 12. Which of the following is a composite number?

Question 13 13. Which of the following is a prime number?

Question 14 14. A prime number is a number that can only be divided by _____ and the number itself.

Question 15 15. Which of the following is a composite number?

Page 4

Question 16 16. Find the LCM of 13 and 15.

Question 17 17. For which of the number pairs below could you NOT use the shortcut of simply multiplying the two numbers together to find the LCM?

Question 18 18. Which sequence of numbers below is a list of multiples?

Question 19 19. Find the LCM of 5 and 20.

Question 20 20. What is the shorthand way of writing the least common multiple?

Number Systems & Factoring 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!

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