## 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. Diameter of a circle?**

**2. HIGH: What is a 'Right isosceles' triangle?**

**3. What is the sum of any 'big' angle and any 'Small' angle?**

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

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

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

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

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

**9. What is a 'Right' triangle?**

**10. Simplify this: v32**

**11. HIGH: Rough est. of v1 =**

**12. HIGH: What is the formula for the diagonal of any square?**

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

**14. HIGH: Define the 'Third side' rule for triangles**

**15. How many degrees does a circle contain?**

**16. How precise do you need to be - using p on the GRE?**

**17. In a coordinate system - identify the quadrants and describe their location.**

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

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

**20. Define the mode of a set of numbers.**

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

**22. Solve this: v6 * -v6 = ?**

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

**24. How do you solve a combination?**

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

**26. Explain the difference between handling a permutation versus a combination.**

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

**28. HIGH: What is the unfactored version of x-y ?**

**29. In a coordinate system - what is the origin?**

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

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

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

**33. HIGH: Area of a triangle?**

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

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

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

**37. HIGH: how do you calculate the surface area of a rectangular box?**

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

**39. HIGH: Explain the process to solve '56 is what percent of 80?'**

**40. How do you divide fractions?**

**41. What'S one way to avoid mistakes on algebra questions in the GRE?**

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

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

**44. What are 'vertical angles'?**

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

**46. How do you calculate the probability of EITHER one event OR another event happening? (Probability of A or B)**

**47. Convert to a percentage: 1/4**

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

**49. What is the formula to determine probability?**

**50. HIGH: Define the formula for calculating slope.**