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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. When 2 lines are perpendicular to each other - their intersection forms 4 angles. What degree are these 4 angles?






2. Explain the difference between a digit and a number.


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






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






5. HIGH: What is the Pythagorean theorem?


6. HIGH: What is the unfactored version of (x-y)² ?






7. HIGH: Describe and define three expressions of quadratic equations - in both factored and unfactored forms. Know these cold.






8. What do permutation problems often ask for?






9. What are 'vertical angles'?






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






11. v4 =






12. The three interior angles of a triangle add up to...






13. What is the 'distributive law'?






14. What is the 'Third side' rule for triangles?






15. How many degrees does a circle contain?






16. List two odd behaviors of exponents






17. HIGH: Simplify this: v75/v27






18. Probability Formula






19. HIGH: What is the unfactored version of (x+y)² ?






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


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






22. How do you solve a permutation?






23. Explain the special properties of zero.






24. HIGH: how do you calculate a diagonal inside a 3-dimensional rectangular box?






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






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






27. HIGH: To divide powers with the same base...






28. Explain how to use an 'Average Pie'






29. HIGH: Rough est. of v1 =






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






31. Explain how to calculate an average (arithmetic mean)






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






33. How do you calculate the percentage of change?






34. How do you multiply fractions?






35. HIGH: Rough est. of v3 =






36. HIGH: What must be true before a quadratic equation can be solved?


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






38. Convert to a percentage: 4/5






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






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






41. HIGH: What is the median?






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


43. a² - b² is equal to






44. HIGH: What is a '30:60:90' triangle?






45. Define 'proportionate' values






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






47. HIGH: What is the side ratio for a 30:60:90 triangle?






48. HIGH: x^-n is equal to






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






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