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GRE Math Strategies

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. ?






2. A¹






3. x older than y






4. The decrease from x to y






5. Area = ?r² circumference(perimeter)= 2?r






6. ?if y angle< x angle - then






7. x>0 and y<0 or x<0 and y >0






8. x/100






9. x - (n/100)x






10. 1. determine a rough approximation of the square root of the number. 2. divide the number by all the primes that are less than the approx square root. If the number is not divisible by ANY of the these primes - then it is prime. If it IS divisible -






11. A line that is perpendicular to a radius and that passes through only one point of the circle.






12. x+w> y+z






13. Any integer is divisible by 6 if






14. A/A¹ = B/B¹= C/C¹






15. 1/2d






16. y years from now






17. The product of an even number of negative numbers is






18. Less than 90°






19. Sin 45°






20. Set of solutions to an equation






21. Wx>wy






22. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d






23. V2/2- v2/2 - 1 (90-45-45)






24. Diagonal= sv2






25. Angle whose sides are two radii of the circle. The vertex of this angle is the center of the circle. The number of degrees is equal to the amount of arc length that the radd intercept.






26. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)






27. 1/an






28. Intersect at only one point - the point is the only solution to the pair of equations






29. Is a subset of every set






30. x>0 and y>0 or x<0 and y<0






31. 5-12-13






32. All sides are equal and all of whose angles are equal. 1. can be inscribed in a circle and can be circumscribed about another circle. 2. each angle is equal to the sum of the angles divided by the number of sides 180(n-2)°/n.






33. /100 (the ______ number over 100)






34. The point where the line crosses the y-axis - x will always = 0 in this case






35. ?






36. The sum of any two sides of a triangle is greater than






37. A closed plane whose sides are straight lines. The sum of the angles is equal to 180(n-2) - where n is the number of sides.






38. 1. square all choices given 2. select the closes choice that is too large and the one that is too small. 3. find the average of the two choices (not of the squares) 4. square the average - if it is greater than the original number - choose the lower






39. 90°






40. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3






41. Volume=lwh surface area= 2wh + 2hl + 2lw






42. Sum of two odd numbers is






43. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²






44. Sum of an odd and an even number is






45. Sin 30°






46. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints






47. 7-24-25






48. 1-1-v2 (90-45-45)






49. If y²= x - then y =






50. The measure of an interior angle is