NMTA Essential Academic Skills Math: Number Theory 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!

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Question 1 1. In which of the following situations would it be most useful to use scientific notation?

Question 2 2. Jake makes $10 dollars an hour and Judy makes $15 dollars an hour. What is the smallest check they can receive so that both their earnings match?

Question 3 3. Which number is the largest?

Question 4 4. Which of the following is NOT a way to begin the factor tree for 1230?

Question 5 5. Find the LCM of 13 and 15.

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Question 6 6. Find the GCF of 12 and 25.

Question 7 7. Which of the following is NOT a prime number?

Question 8 8. Which of the following is a prime number?

Question 9 9. What number can you divide a prime number evenly by besides itself?

Question 10 10. Write 0.00057 in scientific notation.

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Question 11 11. Which of these statements is FALSE regarding the number 0?

Question 12 12. Consider the numbers 1/2 and 9. Which of the following statements is completely true regarding the most specific classification of these two numbers?

Question 13 13. What is the prime factorization of 24 with exponents?

Question 14 14. Which of the following is a composite number?

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

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Question 16 16. Which one is the smallest?

Question 17 17. Find the GCF of 9 and 45.

Question 18 18. Which one is the largest?

Question 19 19. What is the least common multiple between 5 and 15?

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

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Question 21 21. Sam has 40 blue balloons and 30 white balloons. He wants to split each set of balloons equally. What is the largest number of groups that Sam can split the balloons into so that both the blue balloons and the white balloons are shared equally between the groups? The number of blue and white balloons in each group do not have to match.

Question 22 22. Which of the following is a prime number?

Question 23 23. Anna and Sarah are girl scouts out selling their cookies from door to door. Anna is able to earn $2 per door. Sarah is able to earn $5 per door. What is the smallest earnings that both Anna and Sarah will have in common?

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. Write 7,500,000 in scientific notation.

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Question 26 26. 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 27 27. What is the prime factorization of 4?

Question 28 28. Find the LCM of 5 and 20.

Question 29 29. Which one is the smallest?

Question 30 30. A prime number is a number that can only be divided by _____ and the number itself.

NMTA Essential Academic Skills Math: Number Theory 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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