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GRE High Frequency Math Terms

Subjects : gre, math
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. If x² = 144 - does v144 = x?






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






3. An integer is divisible by 9 if...






4. The three exterior angles of a triangle add up to...






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


6. Convert to a percentage: 2/5






7. Explain how to solve for 7/¼






8. HIGH: What is the factored version of (x+y)(x-y) ?






9. Convert to a percentage: 3/5






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






11. HIGH: Describe how to deal with 2 sets of parentheses.






12. What is the formula to determine probability?






13. What are the side ratios for a 30:60:90 triangle?






14. HIGH: x^-n is equal to






15. How many degrees does a circle contain?






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






17. An integer is divisible by 3 if...






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






19. HIGH: What is the Pythagorean theorem?


20. On the GRE - should you ever assume that diagrams are truthful?






21. Convert to a percentage: 1/4






22. An integer is divisible by 5 if...






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






24. What number goes on the bottom of a probability fraction?






25. What should you do BEFORE you start to solve a GRE math problem?


26. HIGH: List the two most common side ratios for right triangles






27. How do you solve a permutation?






28. a² - b² is equal to






29. Area of a square?






30. Define the median of a set of numbers - and how to find it for an odd and even number of values in a set.


31. Define the mode of a set of numbers.






32. HIGH: What is the unfactored version of x²-y² ?






33. List two odd behaviors of exponents






34. How do you solve a combination?


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


36. What'S a handy rough estimate for a circle'S perimeter - if you know it'S diameter?


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


38. If something is possible but not certain - what is the numeric range of probability of it happening?






39. Explain the difference between handling a permutation versus a combination.






40. Explain the special properties of zero.






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






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






43. Explain how to use a 'Rate Pie'






44. Does order matter for a permutation? How about for a combination?






45. HIGH: What is the factored version of x² + 2xy + y² ?






46. In a coordinate system - what is the origin?






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






48. HIGH: What is the mode?






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






50. Define 'proportionate' values