Praxis Elem. Ed- Math(5003) Chpt 4 - Number Theory & Mathematical Reasoning Quiz Questions
10. Round 14.67 to the nearest whole number. 14.5 16 15 13 14
15
2. Given 51 * 28, what is a valid estimated answer? 1000 There is no way to estimate this answer 1500 1326 130
1500
15. Estimate 8,452 - 6,123 by rounding to the nearest thousands. 4,000 3,000 2,500 2,000 1,000
2,000
17. What is 1,872 divided by 9? 208 280 None of the answers are correct. 28
208
29. Which of the following is a prime number? 21 25 22 24 23
23
18. What is 7,000 times 4,000? 280,000 28,000,000 2,800,000 28
28,000,000
20. Which equation will be dividing two numbers and getting a larger number as the quotient? 3 / 9 3 / 1.5 3 / (1/4) 4 / 3
3 / (1/4)
22. 377 - 63 350 348 284 314 214
314
24. 67 - 34 54 48 33 34 27
33
13. Round the number 379 to the nearest tens. 375 380 400 300 370
380
14. Estimate 54 - 13 by rounding. 50 30 45 40 60
40
23. 34 + 22 34 48 56 72 28
56
5. Which of the following is a composite number? 11 3 1 9 5
9
25. 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? Biconditional Disconjunction Negation Conjunction Conditional
Biconditional
28. What is a concise phrase that sums up the definition of estimate? Closest without going over None of the answers are correct Close enough All of the answers are correct Near by
Close enough
8. If you are starting with what you know about a large population and coming to a conclusion about a specific scenario, then which type of reasoning are you using? Inductive Assumption None of these is correct. Inference Deductive
Deductive
9. Using a known formula to calculate a solution to an algebra equation is an example of which type of reasoning? Inferential Deductive Inductive None of these is correct. Assumption
Deductive
26. The statement A pet can be a quiet companion or a playmate (or both) is an example of which logic connective. Disjunction Conjunction Conditional Biconditional Negation
Disjunction
16. What is the process of trying to do math in your head? Cheating Performing mental math Estimating Guessing
Performing mental math
27. Which of the following is NOT one of the five main logic connectives? Disjunction Conjunction Conditional Negation Production
Production
1. An easy and efficient method to use when estimating is what? Rounding to the nearest even number Never rounding down Rounding to the nearest multiple of 10 Always rounding down Always rounding up
Rounding to the nearest multiple of 10
19. Say you want to solve for 10 divided by 1/3. How could you do this? divide by the reciprocal add by the reciprocal subtract by the reciprocal multiply by the reciprocal
multiply by the reciprocal
4. Which of the following is a prime number? 6 8 4 13 16
13
6. Which of the following is a composite number? 13 19 11 7 14
14
21. Which equation will give you a product less than 14? 14 * 0.5 14 * 1 14 * 1.5 14 * (5/2)
14 * 0.5
11. Round 0.04119 to three decimal spaces. 0.042 0.041 0.04 0.0412 0.0411
0.041
12. Round 0.934 to one decimal space. 0.93 1 0.8 0.9 0.94
0.9
30. 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? Inductive Deductive Assumption None of these is correct. Inferential
Inductive
7. Most advanced mathematical proofs use which type of reasoning? Assumption Deductive Inferential Mathematical Inductive
Inductive
3. How is estimating helpful when solving math problems in an academic setting? All of the answers are correct It helps with checking your work by confirming your answer is in the right area. It helps by giving you a faster answer so you don't have to do the accurate work. Estimation is not used in academic settings None of the answers are correct
It helps with checking your work by confirming your answer is in the right area.
