# Number Theory & Mathematical Reasoning Chapter Exam

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 prime number?

#### Question 2 2. What single word best describes Negation logic?

#### Question 3 3. Estimate 8,452 - 6,123 by rounding to the nearest thousands.

#### Question 4 4. What is a concise phrase that sums up the definition of estimate?

#### Question 5 5. 377 - 63

### Page 2

####
Question 6
6.
The statement: *If a shape has four equal sides with four right angles, then it is a square* is an example of which logic connective?

#### Question 7 7. Tony went swimming at a nearby lake one summer day. There were very few other swimmers there. Later, he told his friend that he had found a great new lake for swimming. He explained that it was great because no one else ever went there. What type of reasoning was Tony using?

#### Question 8 8. Round 0.934 to one decimal space.

#### Question 9 9. 89 - 12

#### Question 10 10. 67 - 34

### Page 3

#### Question 11 11. 34 + 22

#### Question 12 12. What is 1,872 divided by 9?

#### Question 13 13. Find the missing digit in 5?.78 if the rounded number is 55.

#### Question 14 14. If you start with what you know about a specific scenario and generalize that information to a whole population, what type of reasoning are you using?

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

### Page 4

#### Question 16 16. Find the missing digit in 0.1?48 if the rounded number is 0.11.

#### Question 17 17. Which of the following is NOT one of the five main logic connectives?

#### Question 18 18. Round the number 379 to the nearest tens.

####
Question 19
19.
The statement *A pet can be a quiet companion or a playmate (or both)* is an example of which logic connective.

#### Question 20 20. Using a known formula to calculate a solution to an algebra equation is an example of which type of reasoning?

### Page 5

#### Question 21 21. Which logic connective has a symbol that looks like an upside down V (or a tepee that traps things inside)?

#### Question 22 22. What is the process of trying to do math in your head?

#### Question 23 23. An easy and efficient method to use when estimating is what?

#### Question 24 24. Which of the following is a composite number?

#### Question 25 25. Given 51 * 28, what is a valid estimated answer?

### Page 6

#### Question 26 26. What is 832 divided by 2?

#### Question 27 27. Which of the following is a prime number?

#### Question 28 28. Estimate 54 - 13 by rounding.

#### Question 29 29. 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 30 30. Estimate 789 - 345 by rounding to the nearest hundreds.

#### Number Theory & Mathematical Reasoning 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!