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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. (sum of individual quantities or measures/ total number of quantities or measures)






2. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases






3. Product of two odd numbers is






4. 1. round the numbers being multiplied to one more place than it is being asked. 2. Multiply the rounded off numbers 3. round of product to desired number of places






5. A chord through the center of the circle






6. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)






7. Of






8. 360°






9. All three sides and all three angles are equal






10. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f






11. Diagonals are perpendicular to each other and bisect the vertex angles 1.each pair of opposite sides are equal 2. the diagonals bisect eachother 3. the opposite angles are equal 4. one diagonal divides it into two congruent triangles and two diagonal






12. Any integer is divisible by 3 - if






13. x more than y






14. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)






15. Is the set of the first components of the ordered pairs.






16. 180°






17. Is drawn from the vertices perpendicular to the opposite sides. The lengths of these lines are useful in calculating the area of the trinagle since the area of the triangle is 1/2bh and the height and the _____are the same.






18. Any integer is divisible by 4 - if






19. 1/x + 1/y x -y ? 0






20. The lines that divide each angle of the triangle into two equal parts. these lines meet in a point that is the center of a circle inscribed in the triangle.






21. If y²= x - then y =






22. Side a +side b of a ? is






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






24. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)






25. xw> yz






26. Is a rectangular rhombus 1. all four sides are equal 2. opposite pairs of sides are parallel 3. diagonals are equal - are perpendicular to each other - and bisect each other. 4. all the angles are right triangles 5. diagonals intersect the vertices a






27. V10






28. ? if a side is equal to b side then - the opposite corresponding angles are






29. A<x and x<b






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






31. A subset of a set is






32. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)






33. ?






34. z>y






35. ?






36. Product of an even number and any other number is






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






38. 1/an






39. Are the lines that bisect and are perpendicular to each of the three sides. The point where they meet is the center of the circumscribed circle.






40. (x-y)(x-y) = (x-y)²






41. 7-24-25






42. Sin 60°






43. Volume= 4/3?r² surface area= 4?r²






44. ?






45. R²






46. 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






47. 1/2bh






48. 90°






49. Any integer is divisible by 9 - if






50. 180°