## Test your basic knowledge |

# GRE High Frequency Math Terms

**Instructions:**

- Answer 50 questions in 15 minutes.
- If you are not ready to take this test, you can study here.
- Match each statement with the correct term.
- Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

**1. HIGH: What is the unfactored version of (x+y) ?**

**2. Area of a parallelogram?**

**3. a - b is equal to**

**4. Explain the special properties of zero.**

**5. How many angles are formed when 2 lines intersect? and what is the sum of these angles?**

**6. Explain how to use a 'Rate Pie'**

**7. What causes 80% of errors on the math section of the GRE?**

**8. How do you calculate the probability of two events in a row? (Probability of A and B)**

**9. HIGH: what is the side ratio for a Right Isosceles triangle?**

**10. An integer is divisible by 4 if...**

**11. HIGH: What numbers does ETS hope you'll forget to consider - for quant comp questions?**

**12. Convert to a percentage: 2/5**

**13. An integer is divisible by 2 if...**

**14. HIGH: What is the equation of a line?**

**15. Explain how to use an 'Average Pie'**

**16. List two odd behaviors of exponents**

**17. An integer is divisible by 5 if...**

**18. Define a factorial of a number - and how it is written.**

**19. Diameter of a circle?**

**20. Explain how to calculate an average (arithmetic mean)**

**21. When a pair of parallel lines is intersected by another line - two types of angles are formed. What are they?**

**22. Explain the difference between a digit and a number.**

**23. List all the prime numbers that are less than 30:**

**24. Convert to a percentage: 3/5**

**25. What is one misleading characteristic of quadratic equations that will be exploited on the GRE?**

**26. Simplify this: v32**

**27. Define the range of a set of numbers.**

**28. An integer is divisible by 8 if...**

**29. HIGH: To divide powers with the same base...**

**30. HIGH: What is the unfactored version of (x-y) ?**

**31. HIGH: Volume of a cube?**

**32. HIGH: Rough est. of v2 =**

**33. What is the name of a line that extends from the center of a circle to the edge of a circle?**

**34. An integer is divisible by 9 if...**

**35. HIGH: How do you multiply powers with the same base?**

**36. What'S the most important thing to remember about charts you'll see on the GRE?**

**37. What is the 'distributive law'?**

**38. HIGH: What is the Pythagorean theorem?**

**39. How do you multiply fractions?**

**40. What is the factored version of x -2xy + y ?**

**41. HIGH: Explain a method for quickly comparing fractions with different denominators - to determine which is larger.**

**42. HIGH: How do you calculate the length of an arc?**

**43. HIGH: How do you multiply and divide square roots?**

**44. HIGH: What is 'absolute value' - and how is it represented?**

**45. What degree angle is a line?**

**46. v4 =**

**47. What is the key to dealing with ratio questions?**

**48. HIGH: How do you get rid of the fraction in this equation: 5x + 3/2 = 7x**

**49. Does order matter for a permutation? How about for a combination?**

**50. HIGH: x^-n is equal to**